Blackheart BHI-15 S2 AR-57 SBR 5.7x28mm FN Hard-Coat Anodized SBR

The Blackheart BHI-15 S2 AR-57 SBR is built for high performance in a compact AR-style rifle package, pairing a 12-inch Gen 2 AR-57 upper with a combat-oriented BHI-15 S2 lower. It features a MIL-A-63576 hard-coat anodized upper, a free-floating chrome-alloy barrel, and a Geissele Super Dynamic Combat trigger for confident, consistent shooting. Designed around FN P90 magazine compatibility, this SBR delivers discreet, reliable handling whether you’re running drills or spending time at the range.

Key features

• 12-inch free-floating 5.7x28mm FN barrel for a compact SBR profile
• MIL-A-63576 hard-coat anodized 7075 T6 aluminum upper for durability
• Geissele Super Dynamic Combat trigger for a crisp, controlled break
• Geared toward optics with integral Picatinny rails for sight installation
• Uses FN P90 50-round magazines for 50+1 capacity

A compact, mission-ready AR-57 SBR built around quality materials, smooth operation, and reliable magazine-fed performance.