What is the thread pitch on this model? I can't even find it on S&W's website. I'm assuming the 45 acp standard .578x28 but I wanted to be sure

Question

James G. · Answer

Dave this pistol has a .578 x28 Thread Pitch which is a Standard Thread for 45ACP.  Also barrel Twist is 1:16 LH

Randy I. · Answer

The threading is .578×28 TPI and a mildly checkered thread protector cap is included

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