Blackheart BHI-15 Complete Specs and Full Gun Specifications

The BHI-15 S 2 ?AR57 Rifle blends the lightweight AR57 upper with the premium BHI-15 S2 lower receiver. The upper features a fluted 16-inch barrel and Gen 2 receiver, making it significantly lighter than its predecessor. This combination delivers the ultimate 5.7x28mm carbine shooting experience. FEATURES: Upper Receiver Milled from one-piece 7075 T6 aluminum to +/- .002-inch tolerance Ported for maximum cooling Integral side and lower Picatinny rails, plus front and rear top rails for sight installation MIL-A-63576 infused hard-coat anodized finish Barrel Free-floating 16.04-inch fluted barrel made of 4140 chrome alloy, GBQ Parkerized Flash hider Lower Receiver MULTI caliber, aluminum Magpul CTR collapsible stock Geissele Super Dynamic Combat trigger Wolff springs Stark SE-1 pistol grip Hardened black anodized finish Additional Ambidextrous magazine release/detention system Free-sliding 4140 chrome alloy heat-treated Parkerized semi-automatic bolt Uses 50-round FN P90 magazine