Aaron Ketchum brings over 15 years of hands-on experience working with AR-platform rifles and has personally built more than 10,000 upper assemblies. This depth of experience forms the foundation of ...

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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