Hello all
New here I hope I have right place. I am doing some mods to my M1icon and am going with a M4 type Bird cage Flash Suppressor. I know "why would you do that to a vintage gun". Well this one is already non standard pieced together and the stock was to far gone to save. So I am going for a M4 look and I have a Question for you what threading do I want for the M1 carbine barrel 1/2"-28 TPI RH Threads or 5/8"-24 TPI RH Threads? And yes I will get .30cal not 22.
Thanks for the help.

A2 Flash Hider AR15 AR10 Flash Hider 1/2-24 300 Blackout
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