Brownells 75th Anniversary - A Shooting Heritage

Mil-Spec Part for Correct Operation in Full-Auto Rifles

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’s 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 & Parkerized finish
  • Hammer pin hole gauges .1555"
  • J spring installed
  • For use in full-auto (non-burst) rifles

Engineered for correct fit and reliable performance this full-auto M16 hammer is an ideal replacement for a worn part on an existing rifle. All NFA rules apply.


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