Bushmaster M4 spent a few hours with it under a microscope and some ruby stones/ 3000 grit sandpaper. Better but still horrible in my book.
CMC 2.5 lb drop in fixed that Shiite. Other junk went in the trash. Totally different gun now.


"Aim right, squeeze light"
" Might as well hit what you're aiming at, it kicks the same whether you miss or not"
NRA Life, GOA