AC AR Hammer is designed to operate with the full auto components on the M-16 rifle. Working together with the M16 Disconnector and M16 Auto Sear Assembly the M16 Hammer ensures safe and reliable full auto fire.
This replacement full-auto M16 hammer is correctly configured to fit M16A2 type lower receivers and provide proper full auto (not burst) function in law enforcement or registered civilian rifles. It is manufactured for correct fit in small-pin (.1555″) mil-spec lower receivers and comes with the J spring installed. Engagement points are surface ground for correct fit. Steel with surface ground engagement points and parkerized finish.
Engineered for correct fit and reliable performance this full-auto M16 hammer is an ideal replacement for a worn part on an existing rifle.