Not a mark 4, but I had a mark 3 cut and threaded at an inch and a 1/4.Has anyone done this mod to a Mark 4 yet? View attachment 3149967View attachment 3149968
I do have an extra upper for my mark 4.
Where did you get yours done?
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Not a mark 4, but I had a mark 3 cut and threaded at an inch and a 1/4.Has anyone done this mod to a Mark 4 yet? View attachment 3149967View attachment 3149968
I want toHas anyone done this mod to a Mark 4 yet? View attachment 3149967View attachment 3149968
Who does those uppers?Just got my doner frame for my threaded upper View attachment 3150613View attachment 3150616
All good brother! Thank you!!!
Which would you buy
Which would you buy