AXIS MFG AR10 MPI/HPT Bolt Carrier Group
100% MADE IN THE USA!
- Material: Billet carrier machined from 8620 steel and case hardened
- 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
- Carrier fits AR .308 compatible style AR Uppers and Rifles
- 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, 6.5 Creedmoor, .338 Federal and other .308 based cartridges.