The M15 (sometimes nicknamed "Willy Pete" for white phosphorous) was a white phosphorous smoke grenade that was used by the United States during World War II. The M15 was initially intended to be a screening weapon, a tool designed to …

The US Army and Marines used M2 and M328 WP shells in 107 millimetres (4.2 in) mortars. White phosphorus was widely used by Allied soldiers for breaking up German attacks and creating havoc among enemy troop concentrations during the latter part of the war.

The M34 WP Grenade replaced the World War II M15 WP grenade. The M34 could be fired from a rifle grenade launcher using M2-series grenade launching adapters due to the groove around the tapered base, which allowed the adapter arms to grasp it.

The M15 is a white phosphorus smoke grenade, nicknamed Willie Peter or Willie Pete (for white phosphorus), used for screening and signaling purposes.

This is the M15 White Phosphorus ("Willy Pete") Hand Grenade made and used by the U.S. during WWII and after. This is a bursting type grenade, scattering phosphorus particles over a 25 yard diameter area. WP produces an instantaneous dense white smoke upon exposure to air, burning at 5000°F for 60 seconds.

The M15 White Phosphorous grenade is a bursting type grenade used for signaling, screening, and incendiary purposes. (1) Body -- sheet metal. (2) Filler -- 15 ounces of white phosphorus. (3) Fuze -- M206A2.

Aug 4, 2016 · I was reading an account of an Army Infantryman in WWII who used M15 WP hand grenades to clear German bunkers north of Munich in 1945. I was wondering, in an Army Rifle Squad in WWII, if these WP grenades were standard equipment or where he would've gotten them if they weren't?

In this anti-infantry role, they were notably used in great numbers against Japanese bunkers and caves in the Pacific theater of war, either to burn or to drive out the defenders. About 5,800,000 M15 grenades were produced by Dec 1945. After WW2, the M16 variant was developed.

When the grenade is thrown and the fuze functions, after a delay of 4-5 seconds the detonator bursts the body scattering the WP over an area of about 15 yards. The WP ignites upon …

Jun 22, 2024 · American M15 Smoke WP smoke and incendiary produced in 5,828,739 units between July 1943 and December 1945. Total length: 136mm Body length: 114mm Diameter: 64mm Mass: 880 grams Charged with 425 grams of white phosphorus