Current Stock: 21
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Description
308 Aero Precision Nickel Boron Bolt Carrier Group (BCG)The Aero Precision .308 / 7.62 Bolt Carrier Group is the perfect firing mechanism for your big-bore rifle build. This high quality BCG features a Nickel Boron finish, and is MPI/HPT tested. AR15PARTS.COM UPPER ASSEMBLIES CHAMBERED IN 308/243/6.5CM.Carrier Specifications:
- Material: Machined from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt)
- Finish: Nickel Boron - advanced lower friction coating that minimizes the need for lubricants and cleaning
- Gas Key: 4130 Steel attached with Grade 8 hardware and properly staked
- Firing Pin: Machined from 8740 steel and hard chrome coated
- Forward Assist serrations
- Carrier fits AR10/LR308 style AR Uppers and Rifles
Bolt Specifications:- Material: Case Hardened 9310 Steel
- Finish: All bolt components are shot peened and black nitride coated
- Extractor: Machined from 4340 Steel with double o-rings and double springs
- Magnetic Particle Inspected and High Pressure Tested
- High pressure bolt - external surfaces are CNC ground after heat treat for a precision fit and firing pin hole diameter is reduced to .075" +/- .003
- Multi-caliber bolt designed to function with.308 Win, 7.62x51, 6.5 Creedmoor, .338 Federal, .243 Win, .260 Rem, and other .308 based cartridges.
BCG Includes:- Bolt carrier
- Complete bolt
- Firing pin
- Cam pin
- Retaining pin
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Details
Details
Current Stock:SKU: BC308NB_APAvailability: Usually Ships in 24 Hours
