Carrier Features:

• Machined from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt)
• Additional 2.5 ounce weight installed and pinned inside bolt carrier tail to slow cyclic rate as well as felt recoil.
• Additional CNC milling to belly of BCG ensures engagement of AR-10 Auto Sears for registered full auto Lower Receivers.
• 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, 7.62×51, .338 Federal and other .308 based cartridges.

BCG Includes:

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

Made in the USA.