Wilson Combat AR 308 LOW MASS BCG NICKEL BORON TR-BCA-LM-NB-308

The 8620 hardened low-mass steel carrier is smooth. This assembly includes a properly staked gas key for a lifetime of service in your next custom build.

• NB (Nickel Boron) plated for easy clean up and corrosion protection
• Bolt material is aerospace grade 9310 MPI inspected
• Machined ejector and S7 extractor will easily handle the pressure of hot, .308 based calibers
• Properly staked gas key for a lifetime of reliable service
• Drop in fit for any quality .308 case head based, DPMS-compatible  AR rifle with forward assist
• Perfect for .308/7.62X51, .243, 6.5 Creedmoor, .260, .338 and other .308 Winchester based calibers
• Low mass carrier can be tuned with your gas system for lower recoil impulse