Diamondback DB15 Features The Diamondback DB15 Obsidian runs a 4150 chrome moly vanadium barrel with a 1:8 twist rate matched to the wide range of .300 Blackout bullet weights available on the market from lightweight supersonic loads to heavy subsonic projectiles giving shooters flexibility to tailor ammunition to the task at hand. The DB Obsidian brake helps manage recoil and muzzle rise from the compact 10 inch barrel keeping the pistol controllable during rapid strings of fire and helping the shooter stay on target between shots. A Mil-Spec trigger and selector switch safety provide familiar reliable operation for shooters already experienced with AR-pattern platforms easing the transition from a full-size rifle to this pistol format. The forged 7075-T6 aluminum receiver keeps the overall package light without sacrificing the strength needed for hard use in the field or at the range. An SB Tactical SBA5 pistol brace and Magpul K2 grip deliver a stable comfortable shooting platform that helps offset the reduced sight radius and shorter buffer tube length typical of pistol-format builds making the DB15 easier to manage one-handed or braced against the shoulder. The M-LOK free float handguard isolates the barrel from external pressure while providing ample real estate for lights lasers or foregrips along its length letting owners build out the platform to their own mission. Compatible with Magpul Gen M3 PMAGs the DB15 ships with one 30-round magazine and a Picatinny rail on the receiver ready to accept a red dot for fast target acquisition. The black nitride threaded barrel finish adds corrosion resistance on top of the Flat Dark Earth Cerakote coating covering the receiver rounding out a durable ready-to-run compact pistol package. Diamondback DB15 Obsidian Specifications Brand: Diamondback Model: DB15 Obsidian Caliber: .300 AAC Blackout Action: Semi-Auto Barrel Length: 10 Barrel Material: Chrome Moly Vanadium Barrel Finish: Black Nitride Receiver Material: Forged 7075-T6 Aluminum Receiver Finish: Flat Dark Earth Cerakote Handguard: M-LOK Grip: Magpul K2 Brace: SB Tactical SBA5 Capacity: 30+1 Weight: 6.25 lbs Thread Pattern: 5/8x24 Available At: GrabAGun