Cmmg bargain bin m4.non cl,1x9 twist,blue extractor,clp lube,bore foam.My round count is about 850 a mix of remington green/white box 55grn,privi 193,privi m855,and pmc 55grn .223.All in all the gun functions %100 only had 1 light primer strike and that was a privi 193 round.Im a very happy ar...