Ep-9: Choosing the Right AR-15 Buffer Weights, Springs & Buffer Tubes... Starts Here!
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- Опубліковано 8 лип 2024
- Stuck trying to figure out what AR-15 buffer weight goes with what buffer spring and what Mil-Spec or Commercial receiver extension? Stop looking now and watch this! We walk you through the differences in Carbine, Rifle buffer assemblies; H1 vs. H2 vs. H3 Buffer weights; the best buffer spring for the job...and a whole lot more.
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Ultimate AR-15 Beginner's Guide
• The Ultimate AR-15 Beg...
Complete AR-10 Builder's Guide
• The Ultimate AR-10 Bui...
00:00 - Intro
00:35 - AR-15 Buffer Assembly
01:50 - How it Works
03:59 - Buffer Tube (Receiver Extension)
05:15 - MilSpec vs. Commercial Receivers
06:15 - The Buffer (Carbine, Rifle, H1, H2, H3)
09:16 - Buffer Springs
10:58 - Choosing The Right Combo
12:25 - Tuning Your AR15 Starts Here
12:57 - Ep-10: Buttstocks, Braces & The AR15 Backend!
We strive to provide the growing AR-15 shooting community with helpful, fact-driven information about the AR-15 & AR-15 style firearms and accessories to do our part in bolstering a more well-informed community and safer when handling, building or shooting their personal firearm. Let's face it, we all have to start somewhere when it comes to becoming a firearms expert. Our goal is to help you get there one small step at a time. **The purpose and content of this video is to provide general information regarding the products and their applications on any/all related firearms that strictly comply with all federal, Minnesota state, and local laws. The viewer expressly agrees that AT3 Tactical LLC; its officers, directors, employees and agents shall not be liable for any damages or losses related to the products and information provided in this video and hereby agrees to hold the foregoing harmless from any such losses or damages. AT3 Tactical LLC is a Federal Firearms Licensee. - Наука та технологія
Man this company gained a new customer.
Love to help.
Now do one on AR pistols. Both 300 BO and 5.56.
I wish there was a chart with calibers, barrel and gas lengths, and buffer weights breakdown. Old school text book style. Just finishing a .458 socom build and finding an accurate weight setup that isnt just "start with this and adjust from there" is kinda lame. There has to be some sorta math based/measured number system to selecting buffer setups. Unless I just havent found it.
It might take some time, but we'll eventually get there!
@@At3tactical I just read the blog on buffer weights and it is helpful. Still not quite the chart Im looking for but a good read none the less.
I'm also starting a .458 build. I have read that the chamber pressures of the .458 are around 35,000 psi, and the 5.56 is around 48 to 50,000 psi. I have watched videos that say a standard weight 5.56 buffer should be good, if the barrel is gassed properly. I am still learning.
I think a more representative form would be a developed calculator. There are too many variable combinations for just 1 table. It would be easy enough though, just plug in the values for each variable to receive the answer.
@@jhutch1470 .223 is around the 40 ~50K PSI, the 5.56 NATO is closer to 55K according to the schematics I saw back in the Army days, in the Weapons mechanic shop, at my bench
There's 3 sizes of buffer tube. There is also the A5 buffer system which uses a rifle length spring, but the tube is in between rifle and carbine. It's actually an amazing system and reduces felt recoil and improves ejection.
I've always wondered if felt recoil would be reduced if using a rifle length tube and spring but a lighter weight and/or shorter buffer weight. Goal being to prevent the buffer weight/bolt carrier combination from ever bottoming out the spring.
This video seems to tell me that I'll have problems with FTF due to carrier speed though.
Surprisingly, there aren’t many good videos on this. But this one knocks it out of the park. Thanks!
Thanks, glad you liked it.
Holy shit Batman, I’m getting fucking learnt today. Great video. First generation gun owner so UA-cam has been my guide/teacher and now YOU. Thank you for this video.
Glad to help.
Geissele Super 42's in everything with H-2's. 4 o'clock pattern unless suppressed... I like those regular Springco blue springs too, never had a problem with those with a H-2 either. Geissele stuff just ......costs more, lol
Unfortunately all the greatest material things in life seem to have a hefty tag on them....but you know damn well I'm still gonna get that Polaris General one day! 😂
Extremely helpful for the latest build I did which is a 7.5” barrel and correlating gas system. Couldn’t understand it’s trouble and am only recently enlightened by the buffer weight factor. Thank you for this perfect explanation !
Exactly what I needed to know, when I needed to know it. This is archive quality info. Thank you.
Glad it was helpful!
Just found this video. Always knew you as a reefer.. Glad to see I'm not the only guy addicted to gun powder and salt water!
Gun Powder and Salt Water 🏴☠️⚓️
Would love to see you guys do an updated video including the a5 systems, showing ejection patterns with different buffer weights and springs, with and without suppressors. Great video!
Thanks for the feedback
Thanks, I just found your channel. I kind of settled on H2 for all my ARs.
Great video... I'm in the process of tuning my AR-15 with a suppressor and adjustible gas block... this added to my confidence level that I'm on the right track.
Awesome! Glad to help!
This a great breakdown of it all. Glad i found your channel. I'm in the middle of buying parts for a 20" AR rifle build and this is what i was looking for. Thanks for running us through it.
Awesome, glad that these are helping out the way we hoped. Thanks for the kudos! -Randy
@@At3tactical Absolutely. I was an instructor for several years of my Air Force career and I appreciate the value of focused and concise delivery of correct and useful information. The high production value and clearly organized flow of your video don't happen by accident so I wanted to thank you for your efforts. Best of luck with your business and UA-cam endeavors. I'll be checking out AT3 Tactical for my firearms needs because of this video.
So much easily digestible information in this video. Thank you!
Thanks! Glad to help.
I agree ! Well stated videos ! :D
If your ejected casings are coming out at a right angle to the port, leave the buffer and gas alone please.... pretty please! 😂
Machine guns have a kuch tougher time getting buffers set up properly. Most semi automatic AR's have lots of gas and lots of spring, but that doesnt make it wrong.
A5 H2, rifle length mil-spec recoil spring, mil-spec diameter A5 length tube. There are 3 types of buffers.
I've learned to run a flat wire spring and h2 or h3 buffer standard. Never had a problem and rifles run great
Randy, I like you even more now that I've seen this. Had no idea you were both a reef guy and a gun guy. You've been such a staple of my reef hobby for so long and to see you hear, makes me smile.
Haha! After 16yrs of wearing the Army green business suite...guns were just a natural transition. 😆 Thanks for following along, it really means a lot.
Always loved the reef videos. One day I’ll pull the trigger on my first reef build.
I just took a break from drawing out how i want to design the stand for my 60 breeder reef tank build to sit back and watch some 2nd A content. My face when the video started out with Randy was like 👁️👄👁️ I thought there was a glitch in the matrix
I have the JP Enterprise buffer system I love it!
Is weird to see you talking about AR 15 instead of reef tanks but lucky for me I enjoy both, 👍👍
Great info. Just came from your bcg video. Another great one! Been learning and scheming. All great stuff for a buy once cry once shtf self defense goals.
Glad to help.
great video guys... thank you!
Thanks for watching!
When I set up my ar man it was a task I learned so much in a week. I went with the faxon lightweight barrel and BCG so I ended up going with the light spring and a adjustable buffer started off heavy and went from there. but man the recoil is so smooth.
Great information, thanks!
You bet! Thanks for checking us out.
Thank you! I learned a lot.
Glad it was helpful!
Excellent video and informative
Thanks! Glad you liked it.
Thank you for the content
No problem! Thanks for checking us out.
Thanks for the info
Thanks for checking us out!
Great video. Thanks.
Glad you liked it!
Half way through this video ive already learned so much.
I feel almost embarrassed to have just learned what mil spec and comm spec mean as im scrolling different stocks. Great video
We all learn new things every day, glad we could help.
Saw Randy and immediately knew I can trust this guy. Learned most of what i know about Saltwater reef tanks from him back in the day.
Thanks! Always great to see salty shooters making their way to these videos eventually! 😅 -Randy
I thought I recognized Randy, that explains it 😂
Twang & Bang! I miss that channel. He always had good stuff to say!
I’m surprised there wasn’t a mention of capture springs like JP
ArmaLite M15 - hydraulic buffer, Tubb flatwire, Tubb carrier weight system - negligible recoil and no feed problems amazing setup
Any 5.56 carbine gas negligible recoil…
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I have a question, you said in your video that short carbines typically use a heavier end spectrum buffer weight and a longer carbine to full length gas systems will use a lighter buffer weight usually, around the 3oz or so range. But a regular AR-15 full length rifle uses a 5oz buffer weight. Why is that? Their gas system is long like that of a longer style "carbine" but you suggested typically using a light buffer weight. Why would a long carbine use a light weight but a full rifle use a heavy weight? I'm confused.
Great video!
Thanks! I really appreciate it. -Randy
Best video I've seen yet on this. I'm dealing with 2 builds from scratch.
1. 16" 5.56 / .223 that feeds and extracts but no LRBHO ( I do need to try a different mag, only had 1 at the range during cherry pop time )
2. 10.5" 5.56 / .223 that fails to feed and sometimes extracts ( potential gas block issues - unconfirmed)
I am relatively new to all this. Please keep making the highly informative videos. Stay Rad. Stay safe!
Thanks for checking us out! From the sounds of it both seem to be undergassed, which I would start troubleshooting first at the gas block alignment.
One of the most common issues with builds is the placement of the gas block. Many builders just shove the gas block right up against the shoulder on the barrel, when it typically needs about a credit card width of space off the shoulder for proper alignment. Not doing this can restrict enough gas from going back to your BCG to cause it to short stroke.
If that turns out to not be your issue, you could look into swapping out the buffers to the next lightest weight. (I.e.- From H2 to H). Hope that helps! You can always give us a call or send in an email as well. We're happy to help!
I ordered all the parts i needed to build 2 ARs the same length as you’d at the same time.. I didn’t make it far before I just took them both to a gun smith.
Good luck doggie
Barrel length and gas port size and length mean way more than this bs. You're starting at the wrong end.
Have a Unbranded AR lower paired with and Aero upper. Had issues with the bolt coming back to fill battery. Just a hair behind where it needed to be but caused to not fire. Made sure to line it up good. Took a bit but now shoots fine. Guess it just needed to break in. Used white lithium grease on the spring and buffer and toned the twang down a bit too.
Great point about the grease and the twang that would've been a nice little tidbit in this one. I'd be willing to bet that the VAST majority of us, haven't put a spec of grease on their springs...and that it might be just enough to make annoying twangs manageable. (Unless you're into that kinda thing. Ha!)
From BRS to this Randy,what an upgrade bud.
HECK YEAH! I have to admit, this stuff excites me just a bit more than fishy stuffs...Haha! Thanks for dropping in.
Never had a probelm in any of my AR builds running H2 with adjustable gas block that can get the dwell time just right to see that perfect 3 O'clock ejection pattern
Bravo.perfect
Thanks!
I wish you would have talked about the two silent capture buffer spring assemblies under your left arm. I just picked up one of those it looks like the JP enterprises I just bought. Was hoping you would share some interesting tips.
I have a Spike’s T2 buffer in my 11.5 Spike’s Tactical. With a JP Enterprises tuned and polished spring. It shoots like a dream, without the annoying twang that my old DPMS had.
The new FM 15 will never get a buffer spring Twang it doesn't come with one.
@@mikesuch9021 Yeah I’ve looked at that. I’m not sure if I want to go that route yet. My Spike’s buffer is crushed tungsten, so no clacking buffer weights. I don’t buy cheap springs, so I don’t have to worry about noise.
Gimmick buffer.
@@rifleshooterchannel208 I don’t know, I thought crushed tungsten was actually a good idea. I don’t like the clacking sound buffer weights make. Spikes has some cringey advertising, but they do make good stuff.
Nice dude!!!
Thanks!
@@At3tactical Bravo!!! Excellent instructions
I'm a big fan of the armaspec H2! You can remove the buffer retaining pin with a captured buffer, and that pin is a serious failure point of the AR15. It's not expensive, it's smooth, and it make your gun more reliable.
H2 and flat wire spring. Amazing combo for most 5.56 guns and 300 blk
Thank you!! This is what I was looking for.
@rexpepper2513 no problem. Took me a bunch of trial and error and research so glad I can help
Randy saying corals instead of corals made me smile….. and miss him even more
🤣
Is he dead?
🤣 Haha! Nope, not dead. Just changed industries for UA-cam video topics. I once taught folks how to keep a monkey alive in space...well, almost like that. Keeping ocean critters alive in a tank at your house, which is pretty damn tough!
Running a VLTOR A5 with a Sprinco "green" spring on a BCM 18'' rifle length gas upper. Super flat shooter with minimal felt recoil.
What weight buffer do you use?
Have a new psa lower and brass is flinging out in front of me. About to replace the standard buffer with an H1. Thanks for the video, it makes good sense of things for us getting started.
Glad to help!
Building my first AR, and got a commercial buffer tube and then put a brand new B5 bravo stock on it.. I thought I was going crazy until I found this video 🤣🤣🤣
Dang! If only we hit you first. 🤣 That's part of the game though, when info isn't just "slap you in the face" clear.
Video deserves more views
Thanks for that. Glad to help!
@@At3tactical having good production quality and getting straight to the point are two things people miss now days, you got it dude.
Great video, i got a lower and then put an a2 stock on it, including the long buffer tube. I like my long ass fixed stock. Nothing on it can really break except my trapdoor on the buttplate, but it also has 0 rattle at all.
My favorite rifle is a 16" mid length gas tube with a rifle buffer and tube with a braided spring. It's the smoothest shooting ar that I've shot and I've yet to have it malfunction.
The way 5.56 was intended! Lol
Alright, I'm at a loss here.
I've got a rifle-length buffer weight + rifle-length buffer spring + rifle-length buffer tube in an M16A2-style fixed stock... the BCG cannot travel rearward to clear the magazine well.
It's gotta be something obvious that I'm missing
Bcm has a buffer system chart.
Had a 16 inch in 9mm and i can tell you that the spring can make you scratch your head trying to back a high speed bcg down tryed buffer after buffer and was still setting the projectile back hard in the case changed the spring and all good
Many thanks for the great video.
Would you mind sharing some knowledge on the „captured spring“ buffer that you had on display? Many thanks
I believe you're talking about the Armaspec Sound Mitigation Buffer and Stealth Recoil Spring. In which case, those are both designed to reduce noise inside the buffer tube...we're talking mostly about the sound of the spring on aluminum as it travels and that common "twang" you hear with standard single wire MilSpec buffer springs. They accomplish that by having the buffer weight ride on a "piston rod" type of operation, which supposedly not only allows truer centerline travel inside the buffer tube, but allows them to put a completely different spring around the "piston rod" to accomplish that "Sound Mitigation".
Hope that helps!
Geissele Super 42 spring and proprietary H2 buffer makes my 16" mid-length rifle shoot like a dream. Very light recoil, cycles perfectly, and definitely no spring twang. I also purchased a spare tungsten weight in case I needed it, but it turns out it's perfect as it is. I mentioned proprietary buffer as the spring won't slip over the shoulder on a standard buffer due to it's decreased inside diameter. Since the spring is built to last, it should be the last spring/buffer set I'll ever need to purchase.
Those Geissele folks sure knocked it out of the park on those! Appreciate your first hand experience.
@@At3tactical My pleasure!!!
Do you know if a 20" rifle too long for that Super 42?
G makes a Super 42 rifle spring just for the rifle extension tube.
@@dougsnavely847 depends on manufacturers QC, on mine it was fine until i ran steel case.
Thank you
You're welcome
If the gas port is correct for the barrel length, then a standard buffer weight and proper length spring is perfect in any semi auto.. Vltor mill spec receiver extensions are the only buffer tubes I will use. The A5 is not necessary or does it reduce recoil impulse. JP SCS are perfect for any semi auto..H2 or bigger are not needed for properly gassed rifles..
What would happen if I used a hydraulic buffer designed for an ar 9 conversion ar 15 on a 556 ar 15 carbine?
8:08
Did my boy really just rock and lock an AR
🤣 Good catch
Awesome video
Glad you enjoyed it! Thanks.
I replaced my collapsible stock with a UTG A1 military stock. It came with the correct tube, spring and buffet weight. My AR15 cycles perfectly and have no issues after over 2,000 rounds. If you convert, get a complete kit. Don’t mix and match.
Just curious: why would you want to downgrade to a fixed stock?
Great break-down. I just wish a video like this with a break-down & recommendations for buffer assembly setup for running different uppersin a variety of calibers would pop up, smack me, & yell watch me, ya idjyit.
Hahaha! Great suggestion, we're working on it!
16” Noveske N4 Mid Length
“G” Super 42 H2 buffer and spring
Full M16 Carrier
Perfect 4 o’clock ejection with Green Tip
Like butter...!
So weird seing Randy talking about ARs and not Reef Stuff lmaoo.
😂😂😂
OOOOOOOOOH That's where I knew him from! LMAO!
My rifle has whatever the LWRC engineer that designed it to have. He knows better than I do.
Ordering my first ar pistol. 300 blackout m4e1 from Aero precision upper. Will that work with my h3buffer BCM kit? I noticed it said “rifle spring”
I run a VLTOR A5 buffer system combined with a Geissele Super 42 rifle spring, great for the money and haven't seen a better setup yet
Same here. A5h2 buffer to be exact.
$$$ basic bitch setup runs fine if you know your barrel and gas port.
anythign from VLTOR is amazing. I run my "battle rifle" with a VLTOR upper, lower, and buffer.
Nice video. I have two AR-15’s 18 and 20” barrels. Rifle length gas tube. Short cycling. I have carbine buffer tube, spring and weight. I am going to replace carbine buffer weight with a buffer weight of 2.75 oz. I’ve tried the JP Enterprise system as well. I am still evaluating my situation and will likely start over and look at each possible area that might be the culprit to include ammunition brand vs reloads. I could say more, but won’t bore everyone with the specifics.
I'd be willing to bet that the culprit might be the gas block and most likely that it is not aligned properly with the barrel gas port. You might see indications of gas leaks in that general area around the gas block (carbon buildup that looks forced outward)... but if not, it might be worth having someone look at it.
Not sure what gas block / barrel combo you're working with but in MOST cases where you're installing your own gas block on a barrel shoulder (gas block journal)... there should be about a credit card width of space between the gas block and the "shoulder". Most barrels have a hard stopping point where the gas block can't travel any further... that would be the "journal / shoulder"... a credit card distance off that point is about right 80% or more of the time.
Hopefully you get it figured out! Let us know where we can help.
@@At3tactical Thank you! Your correct on re-examining the gas block which is next. I suppose I was wanting to avoid that, but it appears this might be the case which I knew was a possibility and all likelihood the problem. One other area I am re-examining is undercharge cartridge which might be possible, but not likely.👍
@@georget7865 Roll up a piece of white paper, slide it inside the handguard, and fire off a few rounds to see if the paper is catching any blast. If so, the block could either be out of alignment or have an out of spec inside diameter, or worst case, the barrel diameter is.
If the paper checks clean-ish, then the gas port is likely too small.
Before checking the gas port size, make sure that you aren't using either a rifle spring or buffer inside of your carbine buffer tube.
Check that you aren't using an AR-10 spring or buffer inside of an AR-15 buffer tube.
Check that the inside of the buffer tube isn't being partially blocked by debris or machined incorrectly. If machined out of spec or mis-threaded during install, it may cause the bcg to bind, shortening it's travel.
Check the upper receiver itself. Poor milling can throw everything out of whack. This can be from misaligned cuts, narrow cuts, or even the upper itself being slightly crushed, causing it to squeeze the bcg, and thus either shorten or slow it's travel.
Check that the gas key is fully seated on the bcg.
Check that the gas tube is not crimped, blocked, or has a misaligned gas port hole.
@@WhiteDragonSecurity THANK YOU! I have been systematically going through every aspect of my rifle. I appreciate the advice and tips.
@@georget7865 Hope it helps. 👍
For a basic gas block tune , 16 inch barrel ar . what spring and weight should I go to
Ruger SFAR - Ruger customer service says carbine length ok thanks. Order parts before the firearm arrived... then after arrival looky there... its a rifle length spring with carbine buffer. The secret is out now Frankenstein
16" barrel
Im building a .300 Blk out and will be using a carbine tube and carbine spring, probably going to try a H3 weight unless other people have other recommendations
Your barrel length will likely help you decide. No suppressor yet, but the 7.5" .300BO gets the H3...knowing one is coming soon.
I have a 5" micro 7.62 AR , and want to know which buffer and spring should I use???
Gonna put a stock and tube on my CMMG Banshee 9mm soon. Decisions .... decisions!
Sounds like someone submitted a Form-1 coming back soon. ;)
Bravo
AT3 what do you recommend for a 20” 1/7 twist barrels for a SPR with use of a old school gas block. TIA
If you want a fun time get your first ar as a super cheap ar10 sbr
New sub here. Awesome explanation! Have a DD mil spec dd4 RIS III 16” looking to suppress. If im over gassed I should up the weight on the buffer by a tad? I think I understand that correctly? Thanks!
What if u use the fix spring which is longer in the smaller buffer tube. What could happen
What buffer and spring would you recommend for a 9.5" 300blk suppressed?
Great video, I’ve used my suppressor on my bolt action .223s but today was the first time on my PSA A2 with a fixed stock. Shot five rounds and it felt like the buffer was going to blow out the back. There’s a ton of info on carbine buffers but not so much on rifle length buffers. Is the answer adding tungston weights to your stock buffer or could you recommend one that I could get to tame this beast. Thanks for this whole series. Subscribed
Thanks so much for the compliment. It honestly means a lot for the effort and time we put into these. Glad you're on board! 💪
A good combo for carbine 308 with 20 inch barrel?
I'm tryin to put a rifle length buffer assembly on a ar15 that comes with a carbine buffer assembly can it replace the carbine buffer assembly or nah?
I have a 7.5” .300blk that i plan to run subs and suppressor. My best bet would be the H3 buffer then?
H2
I had any idea, while building an AR. To build a pneumatic cycling thingamadoodle / gizmo. An air compressor hose and trigger, you can quickly attach to your muzzle. This would blow a shot of air pressure, down the barrel (backwards) cycling the BCG, loading a fresh dummy round, and working the buffer weight and spring system. In hopes of tuning the guns cycling.
Well you'll need something that can go from zero to 58,000 PSI in a small fraction of a second. Seems non-trivial to me...not like you can just turn a valve on your shop compressor. Also, this part I'm less clear on but I'm not sure just pushing pressure down from the muzzle will operate like an actual shot.
Colt is very clear on what the purposes of each buffer weight is. No need to over complicate it, and theres no need to mess around with it.
I have a Bushmaster 20 inch rifle. I replaced the front sight with a block rail. Replaced gas tube. I put on a Magpul solid But stock and attached a rail to the upper receiver. Since doing this. I cannot get it to cycle properly.
It never puts a round in the chamber. So then I replaced the entire bolt and bolt carrier. Based on modifications what do you suspect changed and is causing an issue.
I got an24 inch and i went the other direction. I changed my fixed stock and buffer to a magpul adjustable buttstock and tube. In doing so i had to change to a shorter spring and different buffer so basically im running a carbine buffer in my 24 inch barreled bushmaster. If u changed the gas tube maybe u seated it to far and choked it off. Is the action opening at all after u fire a round or does it go off and not cycle at all. I would think maybe your spring is to heavy and its keeping your buffer from cycling all the way back or did u not change the buffer and simply placed a longer heavier spring behind the buffer u had. The buffer and stock i took off looked exactly like the one he showed. It ran flawlessly that way for 3 years then i swapped to a carbine buffer with the adjustable stock and it still operated properly. Is it ejecting your spent casing and not picking up the next one or has it ever ran properly with that magazine. I noticed if put 30 rounds in a 30 rd mag the first rd is flat with the top where as u remove 1 and only have 29 that top one has a bit of a angle. Could be a bunch of things but id start with easiest like taking a couple bullet out the mag and trying again before u go tearing it apart to realize it was a mag problem if your mags were topped off at the time . But id check your gas tube make sure its clear if your action wont cycle to even eject if thats fine and it ejects a spent shell but wont grab the next id try a lighter spring. But if the gun has never functioned since u owned it id also check as u close the bolt if the bullet is even close to being touched by the bolt carrier or if it just slides over top and will never touch it no matter what u do short of miling the magwell. But if the mag locks it should be high enough for the carrier to grab. Try slapping the buffer from your other stock into it, the one u used prior to this stock maybe also the spring. If the carrier worked fine before i would not think it needed to replace the bolt carrier though they are pretty solid components might need cleaned but replaced prob not. I marked my gas tube before i removed it so i knew how deep to reinsert it into the gas block after i painted and dipped my gun. But if u pushed it to far in it would def close it off which might make it not open far enough to eject a shell or load a new one.. but filling a mag all the way has def caused my gun not to grab the next round
Is there any heavy buffer options for rifle length (A2 length) buffer tubes?
Which buffer would you recommend for a .50 beowulf?
I have a folding butt stock Emtan M4-FRB what is the size of buffer assembly
What would be the best buffer/spring combo for a binary trigger (Franklin Armory)?
20" 6.5 Grendel upper on a Stag Arms Carbine lower. Mil spec. Would I benefit from a geiselle 42 spring and an H1 buffer?
I knew that voice was familiar from the bulk reef supply videos 😂😂😂😂
What would you recomend for a 50 beowolf?
is there calculations to size buffer based on various parameters as a starting point?
Not necessarily. Far too many variables to account for, but at the same time it's not necessarily complicated enough to warrant one. The large majority of 5.56 rifles will likely end up with an H2, but honestly unless someone was planning a non-traditional build (super short, suppressed, etc.), the $10-$15 more for an adjustable is probably the way to go.
So when you have the right buffer weight, what do you do?
Does the mass of the barrel not come into play when selecting a buffer weight?