308ar Bolt Carrier Group Nitride Mp. Where to buy?

308ar Bolt Carrier Group Nitride Mp.

The Ideal Big-Bore Bolt Carrier Group

The Brownells Complete .308 Bolt Carrier Group is designed to operate reliably in DPMS LR-308 pattern rifles chambered in .308, .243, 7mm-08, .338 Federal, .260 Remington, 6.5mm Creedmoor, or any other cartridge based on the .308 Winchester. These BCGs are manufactured to the same uncompromising standards as our M16-style BCGs. Our Complete .308 Bolt Carrier Group has a bolt machined from robust 9310 steel, heat-treated and shot-peened for superb hardness. The carrier itself is fabricated from hardened 8620 steel. Both are magnetic particle inspected (MPI) to make sure there are no hidden microscopic flaws that could lead to premature failure.

  • Carrier has forward assist notches
  • Extractor is installed with rubber insert and spring
  • Gas key screws are torqued and staked
  • For use in DPMS LR-308 pattern upper receivers only; NOT compatible with Armalite rifles

You can get the Brownells Complete .308 Bolt Carrier Group with a hard Black Nitride finish that is exceptionally resistant to surface wear OR a Nickel Boron coating (a dull matte silver) that’s even harder and self-lubricating to boot. Both come complete with firing pin, firing pin retaining pin, cam pin, gas rings, gas key, extractor, and ejector installed. Brownells GunTech™ Note: Unlike BCGs with a traditional Parkerized finish, the carrier on our Black Nitride bolt carrier group is not hard-chromed inside because Nitride is actually harder than industrial chrome plating.
 


Big Book Catalog, Issue:72, Page:017
308AR Bolt Carrier Group 308 Win Nitride MP
4.8 4.8 based on 21 reviews
Review Summary
5 Star
 
(19)
4 Star
 
(1)
3 Star
 
(0)
2 Star
 
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1 Star
 
(1)

Displaying reviews 1-21
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5.0

2/3/2020

Big Bore

Southern Indiana

  • Pros Easy To Install, Good Value, Works With Many Guns
  • Best Uses Hunting, Self Defense, Tactical, Target Practice
  • Describe Yourself Gun Collector
  • Was this a gift? No
  • Bottom Line Yes, I would recommend this to a friend

Perfect in every way.

This one is my second .308 BCG offered by Brownells. The first one (review is listed further down) had generous headspace, and while there was,not a problem per se, the generous headspace that was present in the first bolt was either with the bolt or the barrel extension. That was on a .260 Remington Black Hole Weaponry/Columbia River Arms/True Shooting Arms barrel.This build was using a DPMS .308 barrel and everything was text book perfect. The bolt closed on GO, did not close on NO GO, and of course, did not close on FIELD. Why I bothered to measure FIELD was rather silly. On the .260 barrel, it closed on GO, closed on NO GO, but did not come close to closing on FIELD. Both barrels and bolts have been functionally 100% with no problems what so ever in feeding, extraction, or ejection. The Nitride finish still looks like new on both BCG even though the .260 has well over 300 rounds through it.The forward assist works perfectly with the Aero Precision M5 upper used on both builds, and both are sharing the same Aero Precision M5 lower for now. Gas key staking was perfect, gas rings are tight but not too tight, and the bolt cam cleared the gas key with just enough clearance to make removal and assembly easy.I have other LR-308 rifles using both DPMS and Armalite BCGs and the Brownells BCGs are fully the equal to them IMO. In fact, I like them better because of the Nitride finish.

5.0

1/27/2020

Dale

Central Tx

  • Pros Good Value
  • Was this a gift? No
  • Bottom Line Yes, I would recommend this to a friend

Great product low price!

Bolt headspace perfectly with BA gov. Profile 18” mid length bbl. Firing pin hole is .070 with .068 firing pin diameter. This one is in a 308.I ordered a second to use with a 6.5 creedmoor upper that I am currently building. I don’t think there is a comparable bolt at a comparable price point, with a forever guarantee out there.

5.0

1/16/2020

Muzzleflash

Texas

  • Pros Aesthetically Pleasing, Easy To Install, Good Value, Safe, Tough, Works With Many Guns
  • Best Uses Competitive Shooting, Hunting, Self Defense, Tactical, Target Practice
  • Describe Yourself Competitive Shooter
  • Was this a gift? No
  • Bottom Line Yes, I would recommend this to a friend

Excellent 308 BCG

I have purchased six of these bcg’s. The machining and finish are excellent. I have had no problems with headspacing in DPMS or Aero Precision upper receivers with barrels from DPMS, Kreiger, and Criterion. Brownells price on these bcg’s is great. No need to buy anything else.

5.0

1/6/2020

Mack Mitchell

Water,MI

  • Pros Aesthetically Pleasing, Easy To Install, Good Value
  • Best Uses Hunting, Self Defense, Target Practice
  • Describe Yourself Occasional Shooter
  • Was this a gift? No
  • Bottom Line Yes, I would recommend this to a friend

Brownells 308 BCG

Another awesome product from Brownells.

5.0

12/16/2019

mv1arms

WA

  • Was this a gift? No
  • Bottom Line Yes, I would recommend this to a friend

100% function M5 Aero upper

Just runs great!

5.0

11/5/2019

Big Bore

Southern Indiana

  • Pros Aesthetically Pleasing, Easy To Install, Good Value, Safe, Tough, Works With Many Guns
  • Best Uses Hunting, Self Defense, Tactical, Target Practice
  • Describe Yourself Gun Collector
  • Was this a gift? No
  • Bottom Line Yes, I would recommend this to a friend

Careful when mixing brands.

I used this BCG in a potpourri of parts. DPMS LR lower, Aero M5 upper, Black Hole Weaponry/Columbia River Arms/True Shooting Arms 22” .260 Remington barrel lightweight barrel with the Brownells BCG. All went together without a hitch, all parts work together flawlessly, including the forward assist. Accuracy has ranged between ¾” to 2” for 5 shots at 100 yards with 100 and 120 gr. TTSX Barnes bullets with 5 different powders so far. The accuracy is good but things need tweaking. Now the BCG. The only thing that is not perfect with the assembly is the bolt will close on both the GO (normal) and NO GO (not normal) headspace gauges but will not close on the FIELD (it had better not!). Headspace is slightly on the long side but since I am forming my cases from Starline 7mm-08 brass, forming them to my chamber eliminates the generous headspace. Of course it begs the question, did BHW/CRA cut the chamber a smidge deep or is the bolt a little off or is it simple tolerance stacking? Hard saying not knowing and since I form my cases for perfect headspace, it doesn’t matter a lick to me. But it may matter so someone shooting only factory loads, IF the bolt is at fault. Just be aware that when you start mixing parts from different manufacturers, there is no ‘standard’ for .308 like there is for AR rifles, so it can be a gamble so check things out and check that headspace.5 powders, 250 rounds, no feeding, firing, or ejection problems. No pierced or cratered primers, no misfires, no malfunctions of any kind and I am using a DPMS .308 rifle buffer and spring in a Magpul MOE rifle stock with DPMS metal magazines. I use minimal CLP on the bolt for lubrication and cleanup is very easy. 250 rounds and I see very minimal wear on any BCG part, inside or out.

5.0

6/7/2019

Dragonw4g

The Sticks, WA

  • Pros Aesthetically Pleasing, Easy To Install, Good Value, Safe, Tough, Works With Many Guns
  • Best Uses Competitive Shooting, Hunting, Self Defense, Tactical, Target Practice
  • Describe Yourself Law Enforcement/Military
  • Was this a gift? No
  • Bottom Line Yes, I would recommend this to a friend

Smooth Operator!!

I am usually cautious on firearms parts that have an extremely great price. You get what you paid for usually triumphs when shelling out dough. I decided to take the leap due to the reviews on this BCG. I was surprised when I opened the package when it arrived. It is beautifully made with the same quality that more expensive BCGs flaunt. I have an Aero Precision Build with an Aero BCG. I dropped this Bolt in to check it's fit and it was smooth and solid. It almost felt smoother than the Aero BCG the upper has been broken into. I bought it for a spare at this price why not?

4.0

5/10/2019

Ben

WA

  • Pros Aesthetically Pleasing, Good Value, Tough

Know what it fits

I bought headspace gauges for the first time ever with this BCG. It fits and is correctly headspace for Faxon .308 and 6.5 barrels, and also fits a Troy .308 and a Bushmaster .308 barrel. It will NOT even close in an Aero Precision barrel.

5.0

3/27/2019

Bud

Montreal, Canada

  • Pros Aesthetically Pleasing, Easy To Install, Good Value, Works With Many Guns
  • Best Uses Competitive Shooting, Tactical, Target Practice
  • Describe Yourself Competitive Shooter
  • Was this a gift? No
  • Bottom Line Yes, I would recommend this to a friend

Exceptional value for the money

This BCG works in all my DPMS pattern AR-308 rifles and for the money it is hard to beat. Fit form and function are flawless.

5.0

3/11/2019

Dat Guy

Sunset, Louisiana

  • Pros Aesthetically Pleasing, Good Value, Works With Many Guns
  • Best Uses Hunting, Tactical, Target Practice
  • Describe Yourself Gunsmith
  • Was this a gift? Yes
  • Bottom Line Yes, I would recommend this to a friend

Used in probably 30 builds

So, I checked gunsmith on here because none of the other descriptions really described accurately. I'm an FFL, and I build custom AR platform rifles. I build a lot of 308 and 6.5CR. A lot. I use AERO Precision almost exclusively because I'm a dealer for them. I've had issues with 308 bolts in the past, several acutally, but not one of Brownells. It's just a quality product, without a doubt. And for this sale price that they have had them at for however long it's been now, it's impossible to beat these things. Fully auto rated 308 bolt carrier for under $130.00. If you think that one of the other higher end manufacturers bolts are better, I can pretty much guarantee you they are not. I've used them all. And I've had issues at one time or another with them all except Brownell's.

5.0

3/5/2019

Figgy

Miami Florida

  • Describe Yourself Gunsmith
  • Was this a gift? No
  • Bottom Line Yes, I would recommend this to a friend

Good quality

Used it with a criterion 16 inch hybrid 308 barrel and aero upper head spaced and works great!

5.0

2/23/2019

chrisd

sunset, La

  • Pros Easy To Install, Good Value, Works With Many Guns
  • Best Uses Hunting, Target Practice
  • Describe Yourself Hunter
  • Was this a gift? No
  • Bottom Line Yes, I would recommend this to a friend

High quality for the money

I have built numerous high end AR platform rifles and used the Brownells bolt carrier almost exclusively. For the price, the quality and functionality can not be beat. It's just a quality product. I've never had an issue with one of these bolts, and I've purchased probably 20 of them over the past year. My hope is that this "sale" that Brownell's has on these bolts lasts forever!

5.0

2/5/2019

Ghost ????

Md

  • Pros Aesthetically Pleasing, Easy To Install, Good Value, Works With Many Guns
  • Best Uses Competitive Shooting, Hunting, Self Defense, Tactical, Target Practice
  • Describe Yourself Gunsmith
  • Was this a gift? No
  • Bottom Line Yes, I would recommend this to a friend

Looks identical to PSA BCG in my PA-10.

Just received this bcg and first off let me start by saying, It looks beautiful! The finish is perfect, nicely retail packed. I haven’t tested it out yet, literally just received it. WILL UPDATE WHEN I DO.secondly this BCG is IDENTICAL to the BCG that came in my 18” Nitride PSA PA-10, I mean to the tee. So for the price point thus far it’s been worth it. Like I said I’ll update when I test fire in my rifle. But 5 stars on craftsmanship so far.

1.0

1/27/2019

Pedro

Portland

  • Pros Aesthetically Pleasing, Easy To Install
  • Cons Fitting Required, Limited Function, Poor Quality
  • Describe Yourself Gun Collector
  • Was this a gift? No
  • Bottom Line No, I would not recommend this to a friend

Fails to extract. Does not cycle.

Failed to extract several brands of ammo. Brass stays in bolt. Jams into ejection port. Ruins brass. Something wrong with extractor. To sharp under lip, dimensions off? BCG works ok with original lr308 extractor and also the dpms gen1 upgraded extractor. So, totally useless out of the box. Requires replacement parts immediately to function. Ruins brass. Marks up upper receiver. Better off just buying a quality bcg from a reputable brand. Maybe buy this on sale and use the money you save to get a new extractor.

5.0

11/27/2018

Ginapp

Mason City, IA

  • Pros Aesthetically Pleasing, Good Value, Tough, Works With Many Guns
  • Best Uses Hunting, Tactical, Target Practice
  • Describe Yourself Gunsmith
  • Was this a gift? No
  • Bottom Line Yes, I would recommend this to a friend

Perfect

Thanks again Brownell's. Machining is flawless, no tool marks, and perfect surface finish. Overall a great piece of kit at a great price.

5.0

9/11/2018

Mark in Tucson

AZ

  • Pros Aesthetically Pleasing, Easy To Install, Good Value
  • Best Uses Competitive Shooting, Hunting, Self Defense, Tactical, Target Practice
  • Describe Yourself Occasional Shooter
  • Was this a gift? No
  • Bottom Line Yes, I would recommend this to a friend

Awesome 308 BCG

Wow! Just wow! Purchased for use in an Aero Precision M5 build. Finish is flawless. Cycle smoothly. Every bit as nice as a genuine Aer BCG, but at a much better price. Don't think twice, just buy it.

5.0

7/28/2018

Moose

Houston

  • Pros Aesthetically Pleasing, Good Value
  • Describe Yourself Occasional Shooter
  • Was this a gift? No
  • Bottom Line Yes, I would recommend this to a friend

Fine Looking BCG

Good Looking BCG, packaged good and shipped quick, I was glad to see a JP style firing pin retaining pin on this BCG, GOOD Value on the sale price...

5.0

1/2/2018

Rusty

Texas

  • Pros Aesthetically Pleasing, Easy To Install, Good Value, Safe, Tough, Works With Many Guns
  • Best Uses Tactical
  • Describe Yourself Law Enforcement/Military
  • Was this a gift? No
  • Bottom Line Yes, I would recommend this to a friend

Runs great

Runs flawlessly in my PSA10 gen 2. It’s runs smooother than the original bolt Carr group.

5.0

12/17/2017

Avengeusa

Monroe MI

  • Pros Aesthetically Pleasing, Easy To Install, Good Value, Safe, Tough, Works With Many Guns
  • Describe Yourself Gunsmith
  • Was this a gift? No
  • Bottom Line Yes, I would recommend this to a friend

Awesome, must have

This carrier is made so well, the machining and finish are perfect, smooth, slick, no machining/ tool marks, no burrs. No sharp edges, fits perfectI'm super impressed, and I'm a machinist, I haven't seen any others better than this in any wayGo brownells!!!!!!!!!

5.0

9/9/2017

Matt

Quantico

  • Pros Aesthetically Pleasing, Easy To Install, Good Value, Safe, Tough, Works With Many Guns
  • Best Uses Hunting, Tactical, Target Practice
  • Describe Yourself Law Enforcement/Military
  • Was this a gift? No
  • Bottom Line Yes, I would recommend this to a friend

Excellent!

The nitride finish is perfect. Functions flawlessly in my 6.5 Creedmoor with Ballistic Advantage barrel. Forward Assist serrations are on this bolt carrier and work as expected. Great product. Thanks Pete.

5.0

6/20/2017

Yut

Quantico

  • Pros Aesthetically Pleasing, Easy To Install, Good Value, Safe, Tough, Works With Many Guns
  • Best Uses Hunting, Target Practice
  • Describe Yourself Law Enforcement/Military
  • Was this a gift? No
  • Bottom Line Yes, I would recommend this to a friend

Awesome

This bolt is made of the same high quality material as other more expensive ones. Fit and finish are top notch. Headspaced to my Ballistic Advantage 6.5 Creedmoor barrel perfectly. Haven't shot it yet, but the first impressions are phenominal.

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