Sig Firing Pin Caliber Compatibility

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JPNY79 Joined Apr 2002 Posts 3926 EE 100% (295) USA	Posted: 4/1/2024 8:22:13 AM EDT Looking to convert from 7.62x39 to 5.56 but every 5.56 bolt I come across does not have a firing pin included. Does a 7.62x39 firing pin work in a 5.56 bolt?

leathercorp Joined Nov 2018 Posts 18 EE 0% (0) USA	Posted: 4/2/2024 1:50:36 PM EDT [#1] you can buy a complete 556 bolt from jdi, gatewood or gunfactory. Same with firing pins.

hobo Joined Apr 2007 Posts 291 EE 100% (2) CHE	Posted: 4/2/2024 3:33:29 PM EDT [#2] Originally Posted By JPNY79: Looking to convert from 7.62x39 to 5.56 but every 5.56 bolt I come across does not have a firing pin included. Does a 7.62x39 firing pin work in a 5.56 bolt? View Quote Is concerning a Swiss gun?

brazos609 Member Joined Mar 2008 Posts 2910 EE 100% (51) TX, USA	Posted: 4/2/2024 4:28:24 PM EDT [#3] Quote History Originally Posted By hobo: Is concerning a Swiss gun? View Quote I'm assuming he's asking about a Spear LT, aka latest MCX variant.

JPNY79 Joined Apr 2002 Posts 3927 EE 100% (295) USA	Posted: 4/3/2024 4:23:01 PM EDT [#4] Quote History Originally Posted By hobo: Is concerning a Swiss gun? View Quote Yes, my apologies, I was in such a rush to post that I forgot to mention that I was referring to a MCax Spear LT.

Sig Firing Pin Caliber Compatibility

Armory » Sig Rifles

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