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BHI AR57 5.7x28mm AR-15 Upper, 50rd Mag, 12" BBL, Rail

Converts an AR-15 to shoot 5.7x28 FN.

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Unique upper design loads on top and accepts FN PS90 magazines and ejects downward through the AR-15 magwell. Upper is precision machined from a one piece aluminum forging. Integrated picatinny-style quad rail system allows attachment of various accessories. Parkerized chrome alloy bolt and full-floated barrel. Teflon-infused hard coat anodized aluminum upper and rails.
Specs - More Info
Additional Info
SKU BH-001-017-G2
Caliber 5.7x28
Manufacturer Blackheart International
Barrel Length (in) 12"
Number of Mags 1
Accessory Rail Yes
Additional Info All NFA Rules Apply. Mounting this on a rifle lower will create a short barrel rifle. It is fine to use on a pistol lower.
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