Make: Spike's Tactical Model: The Jack Caliber: .300 AAC Blackout Action Type: Semi-Automatic Serial: JACK16165 Furniture: Magpul PRS Gen 3 Adjustable Stock, Magpul MOE+ Grip Finish Custom Blue Hex Camouflage Cerakote with Shaded 3D Skull Detailing Finish Originality: Custom Cerakote Barrel Length: 18" Bore Condition: Clean with no pitting Overall Condition: Great condition Mechanics: Functions as expected. What's included: Spike's Tactical The Jack .300 Blackout rifle, Vortex Viper riflescope, Aero Precision cantilever scope mount, Butler Creek ocular flip cap, Fortis muzzle brake, (1) 30-round Magpul PMAG magazine. Description: Built on the Spike's Tactical / Sharps Bros billet Jack lower receiver (SN: JACK16165), this custom AR rifle is chambered in .300 AAC Blackout. It features an 18-inch spiral-fluted barrel equipped with a Fortis muzzle brake and a free-float M-LOK handguard. The rifle and furniture are finished in a custom multi-tone blue honeycomb/hex camouflage scheme, with detailed bone-tone shading across the 3D skull magwell. It is outfitted with a Magpul PRS Gen 3 adjustable precision stock, a Magpul MOE+ rubberized grip, and includes a Vortex Viper riflescope mounted in an Aero Precision cantilever mount with a Butler Creek flip-up ocular lens cover. Includes one matching 30-round Magpul PMAG.