SIG Sauer Academy

BHI Releases AR Lower

Blackheart International has just announced the release of their BHI-15 Stripped Lower Receiver. Manufactured from a 7075 T6 aluminum alloy forging the BHI-15 Lower incorporates a variety of features.

BHI15 Lower Receiver

The entire lower is CNC machined to final dimensions with tolerances as fine as .001”. The magazine well is wire-EDM machined and CNC broached with a flared opening for snag-free magazine insertion. Standard .154” holes for hammer and trigger pins let you install the aftermarket trigger of your choice and .250” pivot and takedown pin holes offer compatibility with a broad range of upper receivers.

The receiver is marked with “safe” and “semi” pictographs and is marked “MULTI Caliber”. It comes finished in Black Hardcoat anodized to MIL-A-8625 Type III Class 2 spec. The BHI-15 Lower Receiver can only be transferred to a Federal Firearms License. For more information visit

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One Response to “BHI Releases AR Lower”

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