The core of BHI-15's upper receiver program is a medium-contour Criterion barrel (a division of Kreiger Barrels) made of 4140 steel that's button-rifled and chrome-lined for durability. Featuring a ...
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(MENAFN- GetNews) Discover how Mid State Firearms sets a new standard in AR-15 upper receivers with custom builds, premium materials, and unmatched attention to detail. The AR15 upper is more than ...