Item:
ONSV24LBM25

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Original U.S. WWII 1945 Dated Paratrooper M18 Recoilless Rifle with Field Cover, 57mm Round in Canister & More - Inert

Regular price $8,495.00

Item Description

Original Item: Only One Available. This is an incredible find, only the third example we have ever offered, and possibly the best! A totally authentic World War Two M18 Recoilless Rifle, rendered totally inert (de-militarized) in compliance with BATF specifications. It has had the firing mechanism deactivated, a bore width hole cut through the bore, and steel cross pin welded across the breech to prevent loading. The housing at the rear was flame cut into three sections, and then partly welded back together for display. Not Available for Export.

This example is offered in very good condition with the original finish, functional optical scope on the original mount, monopod and shoulder rest / bipod. It also retains the pistol grip and trigger assembly attached to the monopod fitting, and even still has the wiring going back to the breech area. There are some dents and other damage from being handled from over the years, but it still looks fantastic. It weighs approximately 48.5 lbs and is 61 in long.

While it is non functional, the breech door still can be open and closed relatively easily.It also still has the original markings visible on the bottom front of the rear housing, which give the model, serial number, and inspection date:-

RIFLE. 57MM. M18
NO. 6279 · INSP. B.A.S. FIRESTONE
L.B.S. 45   ORD.   DEPT.   U.S.A.

The legs still fold up correctly, the monopod extends and retracts (requires some effort), and the optical sight is still easily removed from its mount.

This lovely example also comes with some great accessories, which include:

● A TELESCOPE, M-86F optical sight for the unit, which still has great optics and an intact graticule. The rubber eye piece is still soft, and it even comes complete with an original CASE, CARRYING, M76 cover.

An inert 57 MM M306A1 Projectile with an aluminum dummy fuze on the top, which are housed in a 57 MM M30A1B3 shell casing. This comes with the correct 57MM RIFLE CONT. M167A2 canister. These all appear to be from the 1970s.

● An original padded COVER M123 for the recoilless rifle. This is marked with stock number 7229946 and has had MRT (mildew resistant treatment) applied. This covers the entire unit, and even has pockets for the pistol grip, monopod, and sight base. It comes with some additional straps as well, and looks to be complete.

● What looks to be a bore cleaning brush for the M18, though we did not receive any type of rod to attach it to with this set.

Really a fantastic display set that would look great as part of any collection!

The M18 recoilless rifle is a 57 mm shoulder-fired, anti-tank recoilless rifle that was used by the U.S. Army in World War II and the Korean War. Recoilless rifles are capable of firing artillery-type shells at reduced velocities comparable to those of standard cannon, but with greater accuracy than anti-tank weapons that used unguided rockets, and almost entirely without recoil. The M18 was a breech-loaded, single-shot, man-portable, crew-served weapon. It could be used in both anti-tank and anti-personnel roles. The weapon could be both shoulder fired or fired from a prone position. The T3 front grip doubled as an adjustable monopod and the two-piece padded T3 shoulder cradle could swing down and to the rear as a bipod for the gunner. The most stable firing position was from the tripod developed for the water-cooled Browning M1917 machine gun.

Origins and development
During World War II, the U.S. Army's Artillery Section was working on a 105 mm recoilless cannon, based on captured models of the German 10.5 cm Leichtgeschütz 40 that used a plastic blow out plug in the cartridge case. At the same time, there was a freelance research by the U.S. Army's Infantry Section of a man-portable recoilless 57 mm cannon by two engineers, named Kroger and Musser. Instead of a blowout plug, the infantry section's recoilless cannon used a British development, Ordnance, RCL, 3.45 in developed by Dennistoun Burney, from in which the cartridge case had hundreds of small holes in the side walls with a lining of plastic on the inside of the cartridge case walls to keep water and other elements out until the round was fired. Another unique innovation was the use of pre-engraving bands on the 57 mm projectile that engaged the barrel's rifling. The belief was this feature would reduce friction on firing, allowing more of the propellant gases to be used to force the shell towards the target and less being used to achieve the recoilless effect and therefore giving their design a much higher muzzle velocity than most recoilless cannon at that time period had achieved.

The "Kromuskit", as the new 57 mm weapon was called (a word play on the engineers' family names) was officially designated the T15 and first tested in November 1943. The tests proved that the Infantry Section's concept for a recoilless weapon was superior to the Artillery Section's concept and the development of the 105 mm weapon was canceled.[7] In late 1944, the T15 was redesigned the M18 57 mm recoilless. The cannon and 57 mm ammunition were placed in mass production. Four types of ammunition were initially produced:[note 3] an anti-tank HEAT round (T20E2 / M307), an HE round (T22 / M306), a Smoke (White Phosphorus) "bursting smoke" round (T23 / M308), and a Training Practice round.[8] By early 1945, over 2,000 M18 recoilless rifles and 800,000 rounds of ammunition were on order. After World War II ended, a canister round (T25E5) with a range of 175 meters was also produced.

US service
The weapon was crewed by a two-man team, the gunner and the loader, who fired it from either a prone, kneeling, or standing position. It could also be awkwardly carried, fired from the shoulder and reloaded by one man in an emergency, fired prone from the extended T3 monopod and bipod, or fired from a fixed position on a cradle mounted on the M1917A1 machine gun tripod. The weapon was carried in a T27 Cover with two padded shoulder straps, designed to be simultaneously carried by two men in line with the straps slung over their shoulder on one side.

Ammunition was packed four shells to a wooden crate, each crate weighing about 40 lbs and had a volume of 0.86 cubic feet. Three 57 mm recoilless rifle shells could be carried per M6 rocket bag (designed for the 2.36-in bazooka rockets) and slung on one shoulder by the ammunition bearers assigned to the weapon.

World War II
The first fifty production M18 57 mm cannons and ammunition were rushed from the factories to the European theater in March 1945. Further examples were subsequently sent to the Pacific Theater. The first combat the new cannon saw was with the U.S. Army's 17th Airborne Division near Essen, Germany as well as U.S. Forces in the Po Valley in Italy during the 1945 Spring Offensive. While the performance of the high explosive (HE) warhead was impressive, the M18's 57 mm HEAT round was slightly less so, only about 76.2 mm (3 in) of armor penetration at 90 degrees, compared with the M6A3 rocket for the Bazooka which had a penetration of 100 mm.[citation needed] The only effective way to knock out German tanks was a clean shot to the rear of the tank or to cause malfunctions by hits on the seams or joint of the tanks such as the gun turret elevation joint of the main gun, junction points of the turret and hull which would cause burn over of working mechanism and produce jamming and finally a hit on the tracks to immobilize a tank. They could then be destroyed by infantry Bazooka team, anti-tank guns or field artillery.

In the Pacific Theater, the new lightweight 57 mm cannon was an absolute success as "pocket artillery" for the soldiers of U.S. Army infantry units that were issued the M18. It was first used in the Pacific Theater during the Battle of Okinawa on June 9, 1945, and proved with its HE and white phosphorus rounds it was the perfect weapon for the hard fighting that took place against the dug-in Japanese in the hills of that island. The only complaint the U.S. Army had was the lack of sufficient 57 mm ammunition for the M18.

Korean War
Each U.S. Army rifle company in the Korean War was authorized three M18 recoilless rifles. The Marine Corps did not use the 57mm. Veterans of the Korean War have mentioned the use of the M18 against enemy machine gun nests. For anti-tank tasks, however, the M18 was too weak; the Soviet-built T-34 tank was extremely hard to penetrate even for the 2.36-inch (60 mm) Bazooka of World War II. The only way would have been flank or rear shots. U.S. infantry, initially with very few capabilities against these targets, solved the problem with new weapons like the 3.5-inch (89 mm) M20 Super Bazooka, which was powerful enough to destroy T-34s.

Vietnam War
Although obsolete as an anti-tank weapon, the M18 was still used by the Army of the Republic of Vietnam and its allied forces in an anti-personnel role. It was able to use the NATO-standard M74 tripod, and proved with its HE and white phosphorus rounds it was the perfect weapon for the hard fighting that took place against dug-in People's Army of Vietnam forces.

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