TacFire MAR120 Firing Pin, 5.56x45mm NATO, Hard Chrome Steel - MAR120

TacFire MAR120 firing pin designed for AR-15 and M16 platforms chambered in 5.56x45mm NATO. Manufactured from 4140 steel with hard chrome finish for durability and reliability. Dimensions are approximately 4.0" in length with a 3.7" width and 0.3" height.