Dual-purpose firing pin retainer compatible with both 5.56 NATO and 9mm Luger bolts. Essential replacement part for AR-platform rifles and pistol-caliber carbines.
The TacFire MAR121-P is a precision-engineered firing pin retainer designed to secure the firing pin assembly in modern rifle and carbine platforms. This component is essential for reliable ignition and safe firearm operation.
This retainer is ideal for:
The MAR121-P installs directly into the bolt carrier, securing the firing pin in its proper position. Proper installation ensures reliable ignition and prevents firing pin damage during operation.
TacFire components are manufactured to mil-spec standards, providing shooters with dependable parts for both duty and recreational use.