The 90 mm gun M1/M2/M3 was an American heavy anti-aircraft and anti-tank gun, playing a role similar to the German 8.8cm Flak 18. It had a 3.5 in (90 mm) diameter bore, and a 50 caliber barrel, giving it a length of 15 ft (4.6 m). It was capable of firing a 3.5 in × 23.6 in (90 mm × 600 mm) shell 62,474 ft (19,042 m) horizontally, or a ...

Ammunition for the 90mm recoilless rifle is issued in complete fixed cartridges. The term "fixed" means that the projectile and the cartridge case are crimped together.

This cartridge is used in 90mm recoilless rifles for close-in defense against massed attack by infantry, or for attacking enemy troops concealed by vegetation. The cartridge consists of an aluminum cartridge case crimped to an aluminum canister filled with steel flechettes.

This high velocity armor piercing cartridge is designed for use in 90mm guns against armored targets. The projectile contains a hard armor piercing core of tungsten carbide steel in an aluminum alloy outer body. The outer body is fitted with two sintered iron rotating bands, a steel bourrelet, and an aluminum alloy windshield.

This is a percussion primed fixed cartridge with a fin stabilized, high explosive antitank (HEAT) projectile. The projectile incorporates a setback armed, impact or impact inertia fired, point initiating base detonating (PIBD) fuze (M530 or M509 series). These fuzes contain a piezoelectric crystal and an electric detonator.

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Inert 90mm M371A1 High Explosive Anti Tank Round. 90x413mm-R for 90mm recoilless. Approx length 28", Approx width 4", Approx weight 6.5lbs. Pictures are of the actual item you will receive.

The 90–mm Gun M1/M2/M3 is an American heavy anti-aircraft and anti-tank gun, playing a role similar to the German 8.8cm Flak 18. It had a 3.5 in (90 mm) diameter bore, and a 15 ft (4.6 m) barrel, giving it a 50 caliber length.

The 90mm Armor Piercing Shot T33 is issued as a fixed complete round for the Gun, 90mm, M3 mounted in Heavy Tank, T26E3 and Gun Motor Carriages, M36 and M36B1. The shot is a modification of the standard AP, M77 which has been reheat-treated and to which a ballistic windshield has been attached.

This cartridge is intended for use in 90mm guns against armored targets. The projectile consists of a steel body, a threaded stand-off spike assembly an aluminum chamber, and a fin and boom assembly. A funnel-shaped liner contained in the body shapes the high-explosive charge.