Aero Precision M5 .308 / 7.62 Bolt Carrier Group Nickel Boron

The Aero Precision .308 Nickel Boron Bolt Carrier Group is a substantial upgrade from a standard BGC. Its NiB coating reduces friction on sliding surfaces, prevents carbon build-up making clean-up a much easier task, and provides excellent corrosion resistance. MIL-SPEC dimensions ensure correct component function and reliability.

Features:

• Machined from 8620 steel (carrier) 9310 steel (bolt)
• Nickel boron coated
• Magnetic particle inspected
• Forward assist serrations
• Weight: 17.92 oz