Alpha Shooting Sports M16 NiB 5.56 AR-15 Bolt Carrier Group - V2

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This second version bolt carrier group for the M16 AR from Alpha Shooting Sports features significant refinements such as smoother bearing surfaces and an improved AR15 extractor system. Alpha Shooting Sports also engineers the BCG V2 with improved carrier geometrics representing the ultimate in bolt carrier groups for an M16 semi-automatic rifle. The M16 BCG bolt of the carrier group is machined from 9310 steel and MPI tested and marked, while the carrier is machined from 8620 steel featuring an extractor machined from S7 tool steel.

  • Bolt Material: 9130 Steel
  • Carrier Material: 8620 Steel
  • Finish: Nickel Boron
  • Extractor Material: S7 Tool Steel
  • Caliber: 5.56 NATO
  • Gas Key Material: Billet 4140
  • Rifle Style: M16

Alpha Shooting Sports includes a crane extractor O ring in this BCG that significantly increases the extraction clamping force and the gas key is machined from billet 4140 and has fasteners staked to Mil-Spec requirements. This M16 bolt carrier group from Alpha Shooting Sports features a Mil-Spec chrome-plated firing pin. The entire carrier assembly and bolt have a Nickel Boron plating that significantly reduces friction and adds an extra layer of corrosion wear resistance on both the internal and external surfaces of the bolt carrier group. Featuring shot peened precision-ground diameters, the V2 NiB bolt carrier group for M16-style rifles is rugged and built to withstand the rigors of heavy volume action without missing a beat. 

With over fifteen years of providing avid firearm enthusiasts superior performing, high-quality AR15 solutions, Alpha Shooting Sports is the source to turn to when seeking the right AR15 parts and accessories. Whether you're seeking to upgrade your AR15 for a three-gun competition or simply insist on shooting with the highest accuracy at the range you can get, you can count on Alpha Shooting Sports to give you the edge you need.
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Bolt FinishNickel Boron
Bolt Material9310 Steel
BrandAlpha Shooting Sports
Caliber Gauge5.56 NATO
Carrier FinishNickel Boron
Carrier Material8620 Carpenter Steel
Carrier StyleM16 Bolt Carrier
High Pressure TestedHigh Pressure Tested
Magnetic Particle InspectMagnetic Particle Inspected

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