I bought it new and have put 500-600 rds through it. Comes with matched bolt, Noveske marked gas block and rifle length gas tube. It has the proper step for the Ops Inc./AEM collar (I ran it with an Ops Inc. 12th model). I had two MK12 builds, one by High Caliber Sales with the Douglas barrel and a DIY with the Noveske barrel and both shot sub-MOA equally well.
$425 shipped.
$425 shipped.
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