VLTOR A5 Buffer System First Impressions and Update
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- Опубліковано 10 тра 2017
- The NEW AR-15 Complete Owner's Guide: amzn.to/2L3NNH5
Build List below.
VLTOR A5 Buffer and Spring
BCM BCG (FDE)
PRI Gas Buster Charging Handle
Rainier Arms UltraMatch 16" Barrel
Rainier Arms SS gas block
Rainier Arms mid gas tube
Magpul MBUS Pro 45deg Offset Sights
BAD ASS Selector Switch
ATLAS bipod w/ ADM QD mount
Magpul STR Stock
BCM A5 Buffer Tube
BCM Blem Upper
AAC 51T Muzzle Brake
DPMS Stripped Lower
Geiselle SD-E Trigger
LaRue LT104 30mm mount
Magpul MOE Pistol Grip
SLR Solo Lite 13" Keymod Rail
Magpul Gen M3 20rd PMAGs
Primary Arms ACSS 1-6X Gen3
AR TekMat: goo.gl/sXUkCJ
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I have the BCM A5 setup on my 16 inch solgw middy, with a bcm mod 0 flash comp. Shoots smooth, with casings ejection at around the 4 o'clock ish area.
Those A5 are the bomb.
Great vid
Juan Rodriguez Yeah they assemble good rifles. I have a SOLGW middy A5 with a 16 as well. I also have two Sionics with the A5, mid, 16. I've owned Colts and BCM's with standard buffer tubes and the A5 is smoother.
You do know that's the VLTOR A5 buffer system right?
@@anthonygonzales6029 doesn't vltor machine bcm components?
I have the same set up but I run a carbine buffer system with a spikes t2 and it's dialed.
I run the Geissele Super 42 in my DD Mk12 and 13.7" sbr. They are another great option, i made both of mine H2's with the weights you can purchase. I shoot both suppressed with AAC cans.
Super W/H2 makes the cycle feel super good on any rifle💯.
Man I miss your videos. We could really use you again. You put out some excellent content back in the day. Wish the best for you and hope you're well man.
Love the A5. Try it on a 20" rifle gas if you can. Very very nice. Any future builds will have an A5 setup of some variety
I have an 18" rifle lengthen adjustable gas block and the vltor A5 with the lightest buffer. Recoil impulse feels like a .22lr.
@@Yashiro-nene_dies nice ! Can you guide me with my aero 18” riffle length gas system M5 308? Need help with a A5 buffer system. Trying to run a PSR lite stock or the UBR stock. Thank you !
One thing to consider is that all things equal between a standard carbine setup and an A5 (similar buffer weights A5H2 vs H3 for example) the cyclic rate will be slower in the A5 thanks to the rifle length spring.
I have that bolt carrier group. great stuff
For a BCM 16' midlength, what would be better H2 + Blue Springco spring or BCM A5 mounting kit?
Thanks for taking the time to make the vid. I'm looking at the A5 system for an AR10 build.
This is just my personal "armchair" opinion. And while I have only built about half a dozen rifles, I know a guy that knows a guy that has a cousin who had the same issue, and I've also watched hundreds of videos online. So I probably almost qualify as an armorer. LOL! I think that you sort of wasted the money on the buffer tube system by not having an adjustable gas block. Your rifle is clearly over gassed. Yes, the heavier buffer weight will help with the timing, but you are only fixing the symptom, not the cause. You still have an over gassed system slamming the BCG and buffer backwards and adding unnecessary fouling to the works. You have now added additional mass with the heavier buffer. Remember for every action there is a reaction, more weight coming back is more felt recoil and muzzle movement off of target.
With an adjustable gas block, you can reduce the amount of gas traveling back to the action. That will slow the BCG and somewhat lessen the force that the BCG travels into the buffer tube and hits the buffer weight. If you reduce the amount of gas entering the system, you can go back to your lighter buffer weight. That SHOULD result in your ability to dial the timing correctly, reduce the speed and weight of the BCG /buffer movement making recoil felt less, reduce fouling in the action and blowback to the shooter, and your sights should stay on target a little better. It might even help a little with world peace.
I'm an admitted adjustable gas block fan boy. Many gas blocks have a screw that partially blocks off the gas port. That screw will erode over time and your adjustment will change with it. The adjustment screw can also move, and it gets so hot that Loctite is probably not going to hold it well. Better gas blocks have a detent or set screw that will at least stop the adjustment screw from moving under use. I'd personally recommend one that adjusts from the front and not the side since long hand guards can interfere with access to the screw on the side adjustable ones.
I have tried a few different adjustable gas blocks, and the SLR Adj Gas Block has become my favorite as I learned more about it and actually used it on several builds running suppressed and non suppressed ammo. The SLR gas block screw doesn't fowl up with carbon, or burn down in size like many of the adjustable gas blocks. It even has an option to bleed off some gas via the port if you so choose. The SLR website is absolutely useless as to the benefits to their product. However, a gentleman named Michael Bell has produced two very good vids on the SLR gas block.
Hopefully, you don't mind if I post a link to his vid as I think anyone investigating an adjustable gas block might find it interesting.
Review:
www.pewpewtactical.com/superlative-arms-gas-block-review/
Extremely good youtube video on the SLR gas block (many of this guy's vids are really good):
ua-cam.com/video/0y02vdDzRUk/v-deo.html
Best regards and happy shooting!
J
I have that ion coated bcg and it is alsome just like all Bcm products tops of the line
You got some buffer bite. Somethings out of spec on your lower. Or Your Bolt Carrier.
isn't that normal to have some dinks on the buffer?
edit: i just researched it, it is NOT normal. For anyone reading: your buffer will show signs of wear but should NOT have chips or pits in it. This is caused when the buffer is resting on the detent instead of the bcg (when the rifle is closed). The buffer should only make contact with the detent when the upper separates from the lower.
Sometimes it is just the back of the bcg has a burr and from opening and closing it happens on the face of your buffer. Should always start there if possible.
EDIT: his is definitely not just a burr though. His is major bite.
How do I fix this problem? My buffer is pretty beat up
Get an offset buffer retainer pin that should help that out
@@lmnopd6820 alright thank you. Do you know how this problem is caused
Do you think I should run a mid length gas syste or rifle length gas system on a build I'm centering around an 18 inch WOA barrel? I plan on using the vltor receiver extension.
Highjak86, I'm building an Aero Precision m5e1.308, but with 18in barrel, will the Vltor A5 buffer tube system with the Magpul SPR work fine with it?
I have a middy also and still torn on which to get, the Vltor or BCM, the Vltor has a heavier buffer so not sure
I've heard these things are phenomenal on AR pistols and sbrs.
Cant use it on a pistol, can you?
@@geebeaux yes you can.
I run the geissele super 42 braided buffer spring and buffer in my 16" and in my 10.5. U can change out the weight with out buying a whole new buffer. Spring apparently lasts longer then a milspec only time will tell
Formattednate 1107 You can buy Sprinco and they don't wear out.
Chase Dillard never heard of sprinco. Send a link I'll check it out.
Good vid
Just curious if you had better luck with the over gas problem if you have purchased the heavier buffer. Really interested in the follow up, just purchased the buffer tube.
I actually haven't shot this one since making this video. I've been busy shooting other stuff, but I'm looking to take it out next time I go. I'll report back.
What length is your gas system?
I Run the H1 in A5 with 18” and Super 42 spring
just install an adjustable gas block, your going to have to do something like that when you start running a can. down side of heavier buffer will be more perceived recoil especially with the can , I used an SLR set screw on my one stamp, worked great was able to get the 4'oclock with an H-2 buffer (A5)
I am not going to be using an adj gas block on this setup. I've already been running several cans and they've been working fine. You don't need a adj gas block to run suppressors.
@@Highjak86 thank you for saying this. AGBs are completely unnecessary
Hey man looks like that lower has a buffer detent spec issue. that Older buffer face looks like it has been taking a pounding from the buffer retainer?
Meh, I've seen the same thing on billet Mega lowers. I'm not too worried about it, but this is a DPMS lower so that says something right there.
yeah that dpms lowers buffer detent hole location is definatley out of spec. eventually the retainer will snap and potentially lock up the rifle. Ive used this on an anderson lower that had the same issues and was tearing up buffers took care oif the issue. check it out!.
commonbullets.com/wp/archives/1727
Highjak86, There is a guy that makes "offset" detents to remedy this issue. That problem is common with Anderson units too.
edit: Just found them. They are on a site called CommonBullets, and they are 15 bucks. It isnt as ideal as having an in-spec hole, but I have heard they work well to bandaid the issue.
Damn!! That BCG is beating the crap out of your rifle! I hope this made it better! Your BCG is hitting the back of the receiver! If this didn't work you need to get an adjustable gas block!
I'm getting this for my 14.5 mid length and I'm going to try the 5.3 oz. Hopefully that's a good choice, I want it to be completely reliable.
So is it?
@@chillcalivibes5161 I haven't got it yet, I'm still using a regular one.
Is it? I‘m switching to the heaviest buffer in my mk18 with a5 and might put an a5 extension on my 14.5 midlength and put the a5h2 buffer from my mk18 in there
Is that BCM BCG fde tough to clean?
Are you still using the Vltor?
running a pws mod 2 tube, jp tuned & polished spring, H2 buffer. getting about 2:30 ejection with that on a sionics barrel. considering going to a UBR gen 2 with the A5 spring...which weight a5 buffer would you recommend?
I’m thinking of a UBR gen 2 on my build with a 14.5 bcm upper. Not really sure about the A5 any ideas on buffer weight and how’s it on your rifle?
I emailed heavy buffer and he squared me away. Doesn't like light loads but very soft on my hunting ammo.
And I'm using ubr gen2
So you can put any buffer in the a5 system, right? Doesn't have to be VLTOR's specific buffer?
No, it must be the VLTOR A5 length buffer.
@@Highjak86 ....but any rifle length spring from what I understand...just their buffer with the A5 tube.....
@@rickmetzler3054 no. The buffer is specific as well. Dont believe me. Try it. You'll smack the back of your gas key against the back of the gun
Edit: reread your answer. Yes you're correct.
What is the best buffer weight to use suppressed with a 10.5 m4-2000 setup with the Vltor system
GlocksNthings run the heaviest buffer that will allow the action to cycle properly, and still lock back with the last round. I run a Surefire socom on my 14.5 and 11.5. If I try to run an H3 it will lock back suppressed with 5.56 loads and 223 ammo. But if I shoot unsuppressed it won’t lock back with .223 rounds.
steve wilson k thanks for reply
@highjak86 your guns perfect. just leave her be. Do an OD or Foliage Ar build next.! make it look badass. foliage upper and lower with black accents
It's not, it's far too overgassed thus the upgrade to the heavier buffer.
i829.photobucket.com/albums/zz211/Quentin68/ARejectionpattern.jpg
Highjak86 yeah I have a springco blue spring and a spikes tac t2 buffer in my bcm recce build. with that picture from your photobucket, i think mine is "perfect" ejection .
4:04 Mmmmmm buffer bite. Hate it. Got 3 mag tactical lowers that do that. They sell offset retainer pins. But it havnt tried them
Yep, buffer bite means the BCG is not in constant contact with the buffer, and will cause harsh ejection by itself. Got one right now I'm putting that offset pin in, of that don't do it I'll just run it without that pin.
I don't want to sound like a dick but, isn't the felt recoil for .223 round 2.5lbs in a 6lbs rifle? or do you mean the cycling is rough with the bolt and buffer?
Ideal 556 AR15 ejection pattern:
i829.photobucket.com/albums/zz211/Quentin68/ARejectionpattern.jpg
"with the H2 it was running way overgassed" huh? What does the buffer weight have to do with the gas system.
A heavier buffer will help offset more gas and slow/smooth the rifle out by cutting bolt velocity down. So simply....everything.
@@SouthValleyKnifeCo Well, it technically doesn't reduce the amount of gas. It really is a shame that these companies keep shitting out oversized gas ports from the factory for compatibility with Tula and Wolf.
@@tedhodge4830 I mean I agree. Which is why you should also get a pick-a-port gas tube from black river tactical. But the bufferweight has alot to do with the fas system as it is part of bolt velocity regulation.
Is that a BCM lower??? I would think so being that out of spec 😆🤣😂
It's a DPMS lower.
consider posting on Full30? that's where i check first. i follow too much other stuff on UA-cam, good stuff gets buried in the spam. yeah, i know, my fault...
ETA: good video, thanks for posting.
Holy shit your gun is out of spec lol
Great video. Btw It's pronounced "ULTOR" the "V" is a "U" sound.
It's really not
Uh you are misinformed. Watch the interview of the original owner before it was sold to Abrams. He pronounced it "V"ltor.
No.....just no
wtf!
Quit wasting money.
You can knock out the roll pin on the buffer and put in your own tungsten weight from other buffers
This goes far beyond just messing with buffer weights. You're way off base.
Highjak86 Wrong. I build buffer systems for clients and make my own weights with tungsten, steel, and aluminum buffers.
You can punch out the roll pin and adjust the weights. You're just choosing to waste money
Yeah, but why? Why tear apart a perfectly good buffer, potentially risking its integrity, and spend money to 'rebuild' it? When I can spend a bit more money and have two functioning buffers as designed that haven't been worked over by Billy Bob.
Wrong. Nothing is being wasted. It's not like the extra parts are being thrown in the trash - they are saved for future builds. Wasting money is entirely relative, and since I have the means to procure said items within my budget it's far from wasting. It sounds to me like you are just choosing to bitch for the sake of bitching.
.......it's a roll pin. If you compromise the integrity of the buffer, something is seriously wrong.
This advice was for everyone who reads it.
Most people have extra buffers. Instead of buying 3 or 4 proprietary buffers trying to grt it to work right, they can use the material they already have and potentially save a lot of money and buy the ONE buffer they need.
If they don't have extra buffers, I'll gladly sell them just the weights and spacers for cheap.
Since we have a quite a few viewers who come here from a professional standpoint like LEO and MIL, I would never recommend anyone frankenstein their own buffer for those roles, thus you have my responses. Go nuts if you're just building range toys and hobby guns, but I will never support cooking up your own buffer recipe for anything above those intended purposes.
Your lower is out of spec. Look how chewed up that buffer face is from impacting the retaining pin.