MasterPiece Arms Defender Features The MasterPiece Arms Defender is built on the proven 30SST platform and refined with a side-cocking semi-automatic action chambered in 9mm Luger keeping the top of the receiver clear for the integrated scope mount for red dot or magnified optic installation without traditional slide interference. The 4.5-inch threaded barrel accepts suppressors and muzzle devices straight from the factory and the included barrel extension offers additional configuration options for shooters who want to adjust the overall profile of the platform. An accessory rail on the receiver provides a mounting point for lights lasers or other tactical accessories without requiring aftermarket modification. For suppressor enthusiasts and tactical pistol users who want a compact optic-ready 9mm platform with genuine accessory flexibility the Defender delivers a capable factory-configured package. The fully machined aluminum pistol grip is engineered around a Solidworks-designed ergonomic profile that accepts standard Glock-style 17 and 33-round magazines with a low-profile magazine release and Decal Grip grip panels that provide secure purchase during rapid fire and administrative handling. A matte black finish covers the aluminum receiver and provides durable resistance to corrosion and hard field use across varied environmental conditions. Adjustable front and rear sights allow the shooter to dial in point of impact for their preferred load or optic configuration without additional tools or aftermarket components. For competitive shooters personal defense users and collectors drawn to the Glock-compatible high-capacity format the MasterPiece Arms Defender is available now at GrabAGun. MasterPiece Arms Defender Specifications Manufacturer: MasterPiece Arms Model: Defender Type: Semi-Automatic Pistol Caliber: 9mm Luger Action: Semi-Automatic Barrel Length: 4.5 in. Barrel: Threaded Capacity: 17+1 Material: Aluminum Finish: Matte Black Grips: Machined Aluminum with Decal Grip Panels Sights: Adjustable Front and Rear Color: Black Available At: GrabAGun