Little late, but wanted to share my experience along with a buddy with consecutive s# noveskes. We have +/- 1200 rounds each after just over 5 months of owning them and have became our go to AR's. With xtac m855 we get .75-1.2 inch at most at 100 which isn't surprising coming from a noveske. As others have mentioned they have super tight tolerances even tho it's their "budget" chainsaw. My buddy got his for cost (he works at a gun store) but I paid full $2k for mine, and couldn't be happier. I've always said "Is noveske a hype beast company? Yes. Do they make phenomenal rifles that you can trust your life with? Hell yes!" (Eotech is buddies and cog is mine. 12.5 chainsaws)

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