300 PRC Custom Build: MDT ACC Chassis Assembly, TriggerTech Diamond Install
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- Опубліковано 10 лют 2025
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With the barreled action complete, it's time to install the TriggerTech Diamond trigger, assemble the MDT ACC Chassis, and then bring the barreled action and chassis together!
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The following Ultimate Reloader partners are featured in this video:
Hornady
Benchmark Barrels
TriggerTech
MDT
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I apologize for my comment the other day. I guess that I'm envious of all the new high quality machine shop equipment that you have. Mine was acquired over 40 years of tough use, so the wear history shows it. Keep up your scientific education of rifle shooting. Rifle is science, handgun is skill, and shotgun is art .........
Thanks RapidRobert, glad you want to watch these videos!
You should have some dummy rounds for checking to make sure the gun is functioning, especially in the shop. Had a buddy doing the same thing and blew a hole in the wall. Luckily he had embankment next to his shop that stopped the bullet and no one got hurt.
I'll take shit that never happened for 400.
Love getting the notifications when new videos are up. Take that thing to 2000 yards already!
You made me so nervous when you racked that first round without checking to see if there were any problems with the new trigger etc... Had a Buddy install a new triggertech and when he closed the bolt it would fire. Good thing he wasn't using live ammo.
Looks like a tank Gavin, can't wait to see you shoot it !!!
Built a MDT with Terminus Zeus Action and Prefit Proof Barrel - incredibly easy install, way easier than an AR.
All that weight is crazy!1 Can't wait to see how it shoots.
24.7 pounds! (with bipod and optic) Crazy-good.
Optic idea Night force 5-25 or 7-35 milXT or Razor Gen 2 EBR-7C. That rig deserves some top glass imo... no budget stuff
Can’t wait to see more 🙌
Try the tract Toric 4.5 x 30.I put it on my 300 win mag build love it
The MDT chassis needs the 3.85"CIP Magazines for the .300 PRC.
Your videos are great, thanks for putting out great info.
Guess I am just too old the language of shooters has changed and is a bit hard to get used to. My interpretation of custom is taking an action, installing a barrel ( turned to custom specs and length from straight blank), custom chamber with tight neck based on desired neck thickness along with throat to match desired bullet loaded to desired length. Numerous modification on the action and above all a stock made to fit from a solid blank of wood hopefully at least 2.3/8" thick along with hand checkering in a good point pattern, checkered steel but plate etc. If you want to see what I am talking about to the gunvault on Chanplin's site or Ed Lapour custom. I like Gary Goudy of the guys still in the business.
sorry for the rant I realize I am out of date, what is important is go forth and have fun making your firearms and calibers suit you!!!!!!!!!!!!!! Keep the videos coming.
William- sounds like a very cool formula. By the way- I'll be doing a lot of different rifle builds in the future, and you have given me some ideas. Thanks for sharing!
William Johnson those rifles are works of art but have you seen the distance they are reaching out to now???? The bullet, optics, and machining technology has made possible distance only dreamed of before.
Yes, I still long for a Rigby rifle.
These build videos are great.
THANKS! I wish you could see this rifle in person....
Maybe someone should just make a steel PRS chassis? Cheaper....all that tactical weight already built in.
Lol!!
Great idea! :)
and you could blue it, make it fudd tactical, lol
Xtorin O'hern chrome plated
MDT already has that Oryx chassis that is a long single piece forend to buttstock...they could maybe just do that exact design, nitride it, then sell it for $199? Or if that's too much weight, go with their LSS or LSS XL?
Material is cheaper but would take several times longer to machine, time on the CNC mill is far more expensive than the aluminium or carbon steel.
Best deal out there.
I know this is an older video. I would like to see you use an Erik Cortina tuner brake with this rifle and see some load development in correlation with the tuner brake.
Gavin, have you considered one of the new NF NX8 scopes? I would like to see you do a review on them. Thanks for the videos.
Haven't but thanks for the suggestion!
great vid man, as always. what barrel action did you use on this one? im planning on swapping my savage 110 precision with howa m1500 HS precision, do you think it will be compatible for aics mgazines like the savage?
Any modification necessary to get the Atlus action in the chassis? With it being a "semi 700 clone" i have read that many need to modify chassis slightly so that the action beds properly. But in videos from Kelbly on YT they said without hesitation that the action will work with any rem 700 stock or chassis.
Nice mate keep em coming
300 rum, 300 Weatherby mag, 300 win magnum, 30/ 378 weatherby mag, 300 savage, 300 H&H mag, have a shoot off! Let the guns speak!
Gevin, why so much weight in the foregrip?
So good can’t wait to see the glass ya top that off with what brand are ya thinking
Looking at options... :)
Always enjoy your videos, what cleaning product do you use to clean the bore for break in, clenzoil, ballistol etc?
David Jones. Does Impact Precision 737r action come with the bolt assembly?
Those Bondhus T-Handle hex key wrenches may not be the best, but I ain't seen or used none no better!
Yes, I have the full SAE set and the full Metric set- use them all the time, great quality!
I love that chassis but I'm disappointed that it comes in two pieces. I was hoping the buttstock would have been one piece with the chassis for better rigidity.
jaybigboy34 was thinking the same thing. I’ve met some of the guys from MDT, and the vibe i get from them is they do this so their chassis can accept AR style accessories i.e. buttstocks and grips. This thing however... all of the peices are MDT, so charge extra or less, whatever I don’t know if machining as one piece would be less or more expensive, but make it all one piece, and make two version, one that is all one piece and proprietary and one that you can use AR parts on.
the whole point is for the design to be modular and changed out by someone to make it exactly how they want, hence the name modular driven technology. I understand your point but if you want a one piece design why not just get a MPA?
You rifle look awesome excellent job👏👏👏👏👏. Can you tell me more about this new caliber?.
- The max reach before transoceanic
- The advantaged or disadvantaged in comparison with 338 LM
Thank you for sharing your videos
how dose it compare to the .300 RUM .CASE CAPACITY .
MDT makes great chassis , did mine on a Savage 300WM. Love their butt stocks.😀
I got the ACC chassis on my 6mm Creedmoor for Aus PRS it’s amazing
Please tell me you were using dummy cartridges when you cycled the action at about 7:25, you didn't say they were dummies, and I noticed the primers in place when you ejected the cartridges. When I make up dummy cases I leave the primer pockets completely empty, not even a fired primer in place to ensure safety. It would be extremely careless to cycle live rounds through the action in the shop, a powerful round like that is capable of penetrating an entire house, and possibly the house next door.
My wallet hurt just reading the title.😂😂😂
Is the full barrel free floating in that chassis? I was wondering about any kind of bedding is needed. Sounds like the action is screwed to the chassis and the barrel floats right? Great build!
yes its all free float... MPA is the same. You dont have to bed a chassis... torque action screws and run it
how did you determine how much weight to add
What 300prc reamer did you use? I need a reamer to rent quickly for a hunt in October! Thanks, Alex
Dave Manson! See: ultimatereloader.com/2019/09/13/300-prc-custom-build-chambering-and-machining-the-barrel/
What size magazine did you use
What is the weight of the chassis system with all the weights you added to it? Thank you!
The rifle weights 24.7 lb with optic and bipod, BOOM!!!! :)
Awesome
I would love to know the possible weights of this set up, min and max.
With scope and bipod it weighs in at 24.7lb - more info coming!
Mark 5, mark 5, please a mark 5... lol.
Without Epoxy bedding I would not do this. I have already installed some MDTs but without Epoxy bedding the systems don't sit properly.
Get a 15-60 vortex gold eagle.
Interesting- I'll give them a look!
@@Ultimatereloader I used a Vortex 5x25x50 gen2 on my 300wm.
Why so many weights?
Paul Harper to tame the recoil!!!! This one will be super heavy, my other 300 PRC will be more light weight will be interesting to compare the two!
Bipod info ??
What ever you do... dont go IOR..
PMii are a great price and so are the atacrs. So many good choices out there!
I'm curious what personal experiences you've had with IOR that would make you not recommend them. I've seen lots of positive reviews. Another good option for glass is Vortex's Razor HD Gen 1. It has Japanese glass, 120 MOA of internal elevation, true zero stop mechanism, Vortex's version of a christmas tree style reticle, one of the best (if not the best) warranty in the industry, and at $1700 at most sporting goods stores, is HEAPS cheaper than the S&Bs or Nightforce.
If you spend much time researching you'll find out pretty fast that IOR can be shady. But yes there are some great Japanese options and honestly I think you'd be surprised at the prices of PMiis right now. For a while they were $2100-2200 for a P4f which isn't half bad. Also there's a %50 sale on the ZP5 if you buy a mauser (M18 I think) but that brings the price down to razor levels. So many great options right now.
@@JacksonMalcolm Was curious if you had any PERSONAL experiences with Valdada. I've seen good and bad reviews for a number of their scopes, some people say quality was their issue and some say they weren't happy with the customer service, but there are also a lot of people who just say, "I read somewhere that they weren't good." No worries though, I'll stick with my Vortex products and hope that Gavin finds luck with the optic he chose!
@@joeyheyne3255 I get that, and I dont know that I should be ashamed to have not been "tricked" into an IOR. I just hope gavin doesn't get bit. Form everything I've read its 50/50 for IORs, why not just choose something with complete confidence? Like vortex...
👍
Kales scopes
Show how you tune the magazine please!
Красивое оружие...
Спасибо! Я люблю это.
That was so unsafe chambering live rounds indoors very surprised think you should know better
In the future, please do not chamber live rounds anywhere but at the rifle range, pointed downrange.
I suppose you don't chamber a round on carry guns do you?
@@scottkindley That information is not public. However, a pistol round is not at all the same thing as a rifle round, and the trigger design is likewise different. I said "please". That is, if it pleases you not to do it, it will likewise please me that you do not do it.
1-Treat every firearm as if it were loaded.
2-Always keep the muzzle pointed in a safe direction.
3-Be sure of your target and aware of what is beyond it.
4-Keep your finger outside of the trigger guard until you are ready to shoot.
Those are the generally accepted rules of gun safety. Nothing about "chambering " a round. Nothing distinguishes different rules for "pistol" vs "rifle". It specifically states "every" firearm. Chambering a round isn't unsafe. No amount of "I know better than you" trolling changes that.
Additionally it's obvious this man is making a firearm, which included machining his own barrel. It's also obvious that testing the function of the firearm is paramount to the safe and proper operation of the rifle. It's also painfully obvious this man isn't acting in a reckless and/or negligent manner in demonstrating and testing the function. Obviously it "pleases" him to test his rifle and doesn't require or need your approval to do so. So if you are displeased with seeing a firearm "chambered" you might want to consider watching videos about basket weaving to reassure your sensitivities and calm your unreasonable fears. I say that because I didn't watch him ask for anyone's opinion or permission as to how, when, or where he makes his rifle. Saying "please" doesn't grant one any special considerations so get over yourself.
@@scottkindley Chambering the first live rounds and closing the bolt on a "just built" rifle is a critical part of the build and test process. Just making sure the rifle's pointing somewhere unquestionably safe while you do it is proper dyed-in-the-wool gun safety common sense. Simples.
Paul Hudson and what exactly makes one think his muzzle wasn't pointed in a safe direction? Again ... the generally accepted 4 rules of safe firearm handling has not been demonstrated to have been broken.
ACC chassis looks like aids.
?