Q: Is this the correct firing pin for a 5.56 AR-15?
A: Yes this is the correct firing pin for use in an AR-15 5.56
Q: Is this the correct firing pin for a Smith & Wesson M&P 15 in the 5.45x39 caliber?
A: A 5.45x39 utilizes an enhanced firing pin to overcome lightstrikes. The proper firing pin is this one: https://www.blackriflearms.com/AR-15-762x39-545x39-Enhanced-Firing-Pin_p_9.html
Q: Looking for a firing pin for a ar build in a7.62/39 heard about y’all and would like your though.
A: If you are having light strikes in an AR 7.62x39 you would need to install a Enhanced Firing Pin: https://www.blackriflearms.com/AR-15-762x39-Enhanced-Firing-Pin_p_9.html
Q: I’m looking for an ar15 firing pin and possibly a few other small parts, what is your current time frame for shipping out small items? Thank you
A: Small parts we have been able to get shipped out in a day or two.
Q: will this firing pin work with 6.5 Grendel bcg
A: Yes this will fit your 6.5 Grendel bcg.