ACT M16/AR15 5.56 Nickel Boron Bolt Carrier Group

This ACT M16 Bolt Carrier Group drops right into your M16, AR15 or M4 platform rifle.

Our Nickel Boron Bolt Carrier Group is specifically coated to allow your rifle to operate smoothly, be easily maintained, and work longer without being cleaned. We offer a 100% money back guarantee.

Features:

• Coated Inside & Out With UCT EXO NiB

• Enhanced 9310 Steel (Bolt)

• 8620 Tool Steel (Carrier)

• Mil-Spec Extractor Spring, black extractor insert, Viton O-Ring

• Tool Steel Extractor

• Shrouded Firing Pin

• Mil-Spec Gas Key (4130 Steel) attached with Grade 8 hardware and Properly staked

• Bolt is shot Peened and MPI

• Carrier is polished before plating for increased lubricity

• 100% Money Back Guarantee

• Lifetime Warranty