The Triad DOC Pistol Barrel Features: 7.5-inch 300 BLK gunner profile barrel with a 1:5 twist rate, optimized for projectile stability and impact. 8-inch 5.56 modern series barrel with a 1:7 twist, crafted from 416R Stainless Steel and finished with a QPQ coating to eliminate the need for chrome lining. Features a pistol-length gas system with an adjustable gas block and button rifled with 5R rifling for enhanced accuracy. Handguard Specifications: 7-inch handguard constructed from durable 6061 T6 Aluminum. Includes Mlok slots at 3, 6, and 9 o'clock positions, along with 45-degree cuts for flexible accessory mounting. Equipped with a full-length Picatinny top rail and anti-rotational QD points at the front and rear on both sides. Features a retention system and anti-rotational tabs to prevent movement during operation. BCG (Bolt Carrier Group): The core of our pistols, precision ground for a near frictionless operation and long-term reliability. Coated with Armor Lube for enhanced durability. The bolt is made from 9310 steel, heat-treated, MPI, and shot peened, ensuring exceptional strength. Fully automatic capable and proudly made in the USA. Billet Lower Gen 2: Lower receiver milled from a single block of 7075 T6 aluminum, featuring an integrated trigger guard and a strategically designed mag well for quick reloads. Includes a right-side bolt release and an MD H1 buffer with a stainless steel cryo-treated flat wire buffer spring to reduce noise and increase reliability. Equipped with a Geissele 2-stage SSA trigger for precise firing control. Billeted Upper: Upper receiver is precision-milled from 7075-T6 aluminum to exacting tolerances for flawless operation and a tight barrel fit. Employs a thermal fit process to securely lock the barrel in place, enhancing the pistol's durability and accuracy. This Triad DOC Pistol combines meticulous engineering with robust construction, embodying a commitment to superior craftsmanship and performance, all while being 100% American-made.