The M621 is a 20 mm automatic cannon of French design, developed by Nexter as on-board armament for armored vehicles, aircraft, helicopters and small coastal vessels of the French Navy. Turreted cannon for helicopters. [1] Cannon pod for helicopters and light aircraft. [2] Remotely controlled weapon station with M621 and a 7.62×51mm machinegun.

Jan 15, 2021 · At least one of these nocturnal gunships, tail number 1658, has been openly photographed mounting a fixed, M621 20mm cannon in place of the rear Gatling gun, adding another element of “surprise” from the night skies for the elusive guerillas on the ground.

The M621 is an autocannon of French origin. It was developed in the 1960's by Giat as vehicle and light aircraft armament. The main advantages are its limited weight and low recoil. Most vehicles or light aircraft that can handle a 12.7mm heavy …

The Nexter Narwhal is a type of remotely operated naval artillery turret made by the French company Nexter. It houses a 20 mm autocannon based on the Nexter M621 and M693. The name "Narwhal" is a backronym of "NAval Remote Weapon, Highly Accurate, Lightweight". [2] .

The M621 is a 20 mm automatic cannon of French design, developed by Nexter as on-board armament for armored vehicles, aircraft, helicopters and small coastal vessels of the French Navy. Quick Facts Type, Place of origin ... Turreted cannon for helicopters. Cannon pod for helicopters and light aircraft.

The M621 is a low-recoil gun which has been mainly used on helicopters and small aircraft, but a navalized version was developed in the late 1980s. Recoil is minimized by the use of a muzzle brake and a shock-absorbing mount.

Most vehicles or light aircraft that can handle a 12.7mm heavy machine gun can also be equipped with the M621. The M621 is a gas-operated autocannon. It uses a delayed blowback …

1973 Colt AR-15 SP1 rifle with "slab side" lower receiver (lacking raised boss around magazine release button) and original Colt 20-round magazine. M16A1 rifle with forward assist, raised boss around magazine release button and a 30-round magazine.

This is an Extremely RARE fully transferrable Colt factory M16A1 Model 621 5.56mm 20-inch heavy barreled machinegun in excellent condition. The Model 621 has a Colt factory installed barrel lug that allows for its M60 bipod to be attached. The gun was purchased NIB in 1991 and since then less than 300 rounds were fired through it.

Installed in helicopters and ground combat vehicles, the 20-mm M621 single-barreled cannon has been widely deployed. It is electrically fired with a gas-operated recoil mechanism. It can be fitted with either single or double flat ammunition feeds.