M16 / AR15 Bolt Assembly Upgrade

AR15 / M16 Bolt catch detent spring

Standard AR15 / M16 Bolt catch detent spring Can be used with any Milspec semi or full auto hammer.

AR15 / M16 Hammer

AR15 or M16 Hammer (Choose from the Pull Down Menu above) If you also need a Hammer Spring (Here)

Retro Rifles

Retaining Pin / Cotter Pin - for AR15 / M16 Bolt Carrier

Originally the AR15 / M16 used a machined Retaining Pin to hold the firing pin in the Bolt Carrier.

AR15 / M16 Disconnector

We offer Two different Disconnectors: Semi Auto Full Auto This page is for the Disconnector o

AR15 / M16 Trigger

Standard Milspec AR15 (Semi Auto) and M16 (Full Auto) Triggers. Used in the AR15, M16, M16A1, M16A3