Mustang Armament Chesty 10.5" .300 Blackout Pistol The Mustang Armament Chesty 10.5" .300 Blackout pistol delivers a purpose-built, suppressor-optimized fighting platform available at Battlehawk Armory. Named in honor of Lieutenant General Lewis B. "Chesty" Puller, this custom billet AR pistol embodies uncompromising reliability, refined gas dynamics, and duty-grade performance in a compact package. Every component is hand-selected and tuned as a complete system for consistent cycling, reduced blowback, and exceptional control whether running suppressed or unsuppressed. At its core sits a 10.5'' inch proprietary housing barrel with a 1:7 twist and 5/8x24 muzzle threads, paired with a premium billet upper and lower receiver set. The enhanced operating system, heavy buffer setup, and ambidextrous premium controls (including safety, magazine release, and premium charging handle) ensure smooth manipulation under pressure. Suppressor-optimized gas tuning, compact access features, and a full suite of grip, optic, white-light, and laser packages complete a turnkey defensive or duty-ready platform engineered for hard use. Built without compromise and backed by rigorous quality control plus a lifetime warranty against defects in materials and workmanship, the Chesty stands ready for serious shooters who demand more than off-the-shelf performance. Add the Mustang Armament Chesty 10.5" .300 Blackout pistol to your collection at Battlehawk Armory today. Specifications Manufacturer: Mustang Armament & Consulting Model: Chesty Caliber: .300 AAC Blackout Barrel Length: 10.5" Twist Rate: 1:7 Thread Pitch: 5/8x24 Action: Semi-automatic (direct impingement, suppressor-tuned) Receiver: Premium billet upper and lower Barrel: Proprietary housing / Duty Precision Taper profile Controls: Ambidextrous safety, magazine release; premium charging handle Gas System: Suppressor-optimized / enhanced operating system Finish: Hard-coat anodized / Cerakote options (configuration dependent)