Brownells Brownells Brownells 75th Anniversary - A Shooting Heritage

Features:

  • Standard AR15/M16 firing pin with NiB-X Coating
  • Nickel Boron coating provides superior hardness, lubricity and corrosion resistance
  • Hardness of Rc 70
  • Fits any standard AR15 or M16

SPECS: Fits AR15/M16 bolt carrier groups. Nickel Boron / NiB-X coating