The M1025, M1025A1, M1026 and M1026A1 HMMWVs are Armament Carrier configurations of the HMMWV family.
The M1025, M1025A1, and M1025A2 armament carriers provide mounting and firing of the MK19 automatic grenade launcher; M2, caliber .50 machine gun; and M60, 7.62 mm machine gun; ring-mounted with 360° arc of fire, with armor protection for crew, weapon components, and ammunition.
Fully-loaded M1025, M1025A1, and M1025A2 armament carriers will climb road grades as steep as 60% (31°) and traverse a side slope of up to 40% (22°). The vehicles ford hard bottom water crossings up to 30 inches (76 centimeters) without a deep water fording kit and 60 inches (152 centimeters) with the kit.
The M1025A1 models have the latest modifications applied to the vehicles. The M1025A2 models have new bumpers, which make the vehicles slightly longer. A 9,000 lb winch is also available for the M1025A2 models as an option.