Originally Posted by
DesG
Microgroove likes oversize bullets. About a thou bigger than slugged bore diameter.
Thanks for the info, so I need to slug the bore just to be sure?
I’ve looked into this a bit, apparently I need to get hold of some pure lead…
Smith & Wesson M&P 15-22/BRNO Model 2/Remington 597/Buckmark/Marlin.44