Built for compact maneuverability and dependable performance, the Radical Firearms RF-15 chambered in 5.56mm NATO is a robust AR pistol designed for shooters seeking versatility and value. Its 10.5a ^2 M4-profile barrel is constructed from 4140 Chrome Moly Vanadium steel and treated with a durable Melonite finish, delivering excellent heat resistance and longevity. Featuring a full 10a ^2 free-floating RPR M-LOK handguard, this pistol offers enhanced accuracy and optimal real estate for accessories. With MIL-STD forged receivers, a carbine-length gas system, and an A2 flash hider, the RF-15 is ready for range time, training, or duty applications-all in a compact, suppressor-friendly platform. Specifications: Caliber: 5.56mm NATO Barrel: 10.5a ^2 M4 Profile, 4140 Chrome Moly Vanadium, Melonite finish Twist Rate: 1:7 Thread Pitch: 1/2A-28 with A2 Flash Hider Gas System: Carbine-length Gas Block: .750 Low Profile Barrel Extension: M4 Feed Ramps Handguard: 10a ^2 RPR Free Float M-LOK Rail Upper: Forged 7075-T6, M4 Flat-Top, Type III Hardcoat Anodized Lower: Forged 7075-T6, Type III Hardcoat Anodized Charging Handle: MIL-STD Fire Control Group: MIL-STD Safety: MIL-STD Buffer Tube: Pistol Buffer Tube Magazine: 30-round (included) Finish: Black Get it at Battlehawk Armory!