PISTOL: GRIFFIN ARMAMENT MODEL MK1 PISTOL, SERIAL NUMBER MK1-113196, SEMI - AUTOMATIC, 5.56, BLUE, CASE NOT INCLUDED, 12.5 Notes: GRIFFIN ARMAMENT MK1 PISTOL, 12.5 Barrel, 5.56, 30+1 The Griffin Armament MK1 Pistol is an AR-style firearm designed with a focus on durability, modularity, and dependable performance. Featuring a compact platform, ergonomic controls, and compatibility with a range of AR-pattern accessories, the MK1 offers a versatile configuration for recreational shooting and firearm enthusiasts. Its design reflects Griffin Armament's focus on practical functionality and precision engineering. Specific features, caliber, barrel length, and compatibility vary by configuration.