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Questions & Answers
Why is the tail end of this bcg larger in diameter than the rest of the carrier?

Genetics!!

by Hooty in yo fish, Verified Owner, November 24, 2021
Is this drop in ready? Expert Answer

Yes, this is a drop-in BCG.

by Tom B, Gear Expert, September 27, 2021
Customer Reviews
Helpful Positive Review
Run's slick as snot by AR King, February 23, 2023
The BCG in my rifle was showing some bad wear so I decided replace it. Added a little lube to the bcg and dropped her right in. Took it out over the weekend and ran 250 rounds and it never missed a beat. Racking and charging the rifle was noticeable ...
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2/2 found this helpful
Helpful Positive Review
Dropped in and runs smooth by Brad, March 23, 2023
This was the last part I needed to complete my build. It shipped fast and replacing my old black bolt carrier group was easy. Runs great with very little oil. Easy to clean even with the dirtiest of ammo.
2/2 found this helpful
Helpful Positive Review
BAD A.S.S. BCG by J-MAN, March 30, 2023
Bolt Carrier Group has a great finish and smooth as heck. Been running one of these for past year with over 1000rds and cleans up easy every time. I oil it for extra smooth cycling. I might get another one as a backup or swap out from one of my older...
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2/2 found this helpful
Helpful Positive Review
Great looking bolt carrier group by Jun Jun, March 23, 2023
Decided to take a chance on this bcg despite the bad reviews since I didn't have issues with my Alpha Slides. It dropped in and even ran with the crappiest steel case ammo. Machining looks great and nickel boron finish just as awesome.
2/2 found this helpful
Helpful Positive Review
Like it's posed to by Hooty in yo fish, Verified Owner, July 10, 2022
I have two of their BCGs one chrome and the other black. One is in a 7.5 and the other in a 10.5 , both .300blk. Hundreds of rounds,never a problem, it's never failed to extract or never double fed. I've got a few cheap mags I use when I'm in my back...
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2/2 found this helpful
Helpful Positive Review
Took a chance on this Bolt Carrier Group and glad I did. Been working perfect in my AR-upper. The finish is very smooth and makes charging it easy. Price was well worth it and recommend it for any AR.
1/1 found this helpful
Read All 10 Reviews
Color: Silver Finish: Nickel Plated Fabric/Material: Steel Carrier Material: 8620 Steel Bolt Material: 9310 Steel Caliber: 5.56x45mm NATO Condition: New

Code: 33Q-BCG-ASPNBCG-BCGPV2NIB

MPN: BCGPV2NIB

UPC: 859311007945

Product No Longer Available

Product Info for Alpha Shooting Sports ALPHA Premium 5.56 NiB V2 Bolt Carrier Group (BCG)

Improved carrier geometry with M16 profile. NiB (Nickel Boron) plating reduces friction, adding corrosion resistance inside and out as well as wear resistance. Bolt machined from 9310 steel and MPI tested and marked. Carrier machined from 8620 steel. Shot peened precision ground diameters. Magnetic particle inspected and laser marked. Extractor machined from S7 tool steel. Crane extractor O ring to boost extraction clamping force. Gas key machined from billet 4140 with grade fasteners and staked to mil spec. Chrome plated firing pin per mil spec.image

Features:

  • Improved carrier geometry with M16 profile
  • NiB (Nickel Boron) plating reduces friction, adding corrosion resistance inside and out as well as wear resistance
  • Bolt machined from 9310 steel and MPI tested and marked
  • Carrier machined from 8620 steel
  • Shot peened precision ground diameters
  • Magnetic particle inspected and laser marked
  • Extractor machined from S7 tool steel
  • Crane extractor O ring to boost extraction clamping force
  • Gas key: Machined from billet 4140 with grade fasteners and staked to mil spec
  • Chrome plated firing pin per mil spec

Package Contents:

  • Alpha Shooting Sports ALPHA Premium 5.56 NiB V2 Bolt Carrier Group

Ammunition

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List of Unorderable Models

  • Alpha Shooting Sports ALPHA Premium 5.56 V2 Bolt Carrier Group BCG, NiB Plated, Silver, BCGPV2NIB , MPN: BCGPV2NIB , UPC: 859311007945 , Code: 33Q-BCG-ASPNBCG-BCGPV2NIB
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