Rocket Launcher M141

Rocket Launcher M141

The M141 Bunker Defeat Munition (BDM), or SMAW-D (“Disposable”), is a single-shot, shoulder-launched weapon designed to defeat hardened structures. The weapon was designed as a modification of the United States Marine Corps Shoulder-launched Multipurpose Assault Weapon (SMAW) to fill the void in the United States Army inventory of a “bunker buster” weapon.

Design

The SMAW-D operates on the principle of a recoilless rifle, in that the recoil created by launching the projectile is counteracted by a “backblast” of gases fired from the rear of the weapon. This makes the SMAW-D inherently dangerous, especially in confined, urban areas, as is with all weapons of this design.

The M141 has two configurations: A carry mode in which the launcher is 810 mm (32 in) long, and a ready to fire mode in which the launcher is extended to its full length of 1,400 mm (55 in).

The warhead is the same High Explosive, Dual Purpose (HEDP) as the USMC SMAW. It is effective against masonry and concrete bunkers as well as lightly armored vehicles. The projectile is capable of penetrating up to 200 mm (8 in) of concrete, 300 mm (12 in) of brick, or 2.1 m (6.9 ft) of sandbags. The warhead is activated by a crush switch in its nose that is able to distinguish between hard and soft targets. On soft targets, such as sandbags, the detonation is delayed until the projectile is buried in the target, producing a devastating effect. The warhead detonates immediately on contact with hard targets.

Specifications

Mass 7.1 kg (15.7 lbs)
Length 810 mm (32 in)

Caliber 83.5 mm (fires 83 mm rockets)
Effective firing range 15 – 1000+ meters

Operators

 

 

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