Firing-Pin Safeties: Overview & Function-Check

Some pistols have firing-pin safeties and some of them don’t seem to. Can you explain how a firing-pin safety works and how to check to make sure it is working? Do striker-fired pistols have striker safeties?

Building an AR-10: Pointers and Potential Pitfalls

Large-frame, AR10-style rifles are a different beast from their 5.56 NATO little brothers. Here are some potential problems to watch for, and tips to fix them should they arise.

Firing Pins, Springs and in Between

Having successfully fitted the firing-pin stop and properly tensioned the extractor installation of the firing pin and firing-pin spring is literally a matter of dropping them in place, but now’s not the time to get in a rush.


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