Aero Precision, Bolt Carrier Group, .308 Winchester/.762 NATO, For AR10 Rifles, Black Nitride Finish

Aero Precision's .308 / 7.62 Bolt Carrier Group is the perfect firing mechanism for your big-bore rifle build. This high quality BCG features a Black Nitride finish, is MPI/HPT and now includes a laser engraved Aero Precision 'A' logo

Product Specifications: 

• Model:    Bolt Carrier Group    
• Color:    Black
• Description:    Fits AR10    
• Subcategory:    Bolts & Bolt Carrier Groups
• Finish:    Nitride
• Platform:    M5
• Bolt Material:    9310 Steel
• Carrier Material:    8620 Steel
• Weight(s):    18.24 oz

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.

BCG INCLUDES:

• Bolt carrier
• Complete bolt
• Firing pin
• Cam pin
• Retaining pin