AR threading....

Really? The Colt 9mm's are 1/2x36TPI, thought that RRA would've followed suit. Sure hope no idiot accidentally puts on the wrong one!

You're right... we've been working on pistol barrel's lately so it stuck in my mind.

RRA 9mm's are theaded 1/2x36TPI

Sorry about that :redface:

Mark
 
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