Aero Precision M5 .308 BCG, Black Nitride

Out of stock
as of 02/21/2024 5:58AM CST
Store Inventory
Available OnlineOut of stock
Fountain Valley, CAOut of stock
The Colony, TXOut of stock
MPN: APRH308186C
UPC: 815421020168

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  Aero Precision .308/7.62 bolt carrier group for AR .308 compatible upper and rifles. This high quality BCG features a black nitride finish and is MPI/HPT tested.

Caliber .308/7.62
Platform M5
Bolt Material 9310 Steel
Carrier Material 8620 Steel
Weight(s) 18.24 oz
Manufacture USA


Carrier Features:
Machined from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt)
Finish: Black Nitride - 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
Laser engraved Aero Precision logo
Carrier fits AR .308 compatible style AR Uppers and Rifles
Bolt Features:
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 .070"
Multi-caliber bolt designed to function with .308, 7.62x51, .338 Federal and other .308 based cartridges.

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