Recoilless rifles

Suggestions Weapons
1

Armor pen
M18 ----------------75MM
Carl ----------------40MM
Paloheimo-------50MM
Davis---------------Unknown

Recoilless rifles designed by Major Paloheimo/ B.S. Petropavlovskogo model 1931
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Caliber, mm 57x303
Length, mm 1560
Weight, kg 20.1
Projectile weight, kg 2.46
Armor penetration, mm 76
Maximum range, firing, m 4400

M18 Recoilless Rifle with used ammunition
M18

In 1943, a dynamo-jet (recoilless) anti-tank grenade launcher was developed in the United States, designated M18 (in the American classification it was called “M18 Recoilless Rifle” - M18 recoilless rifle).

M18 Recoilless Rifle when loading
The main types of rounds for the M18 grenade launcher were M306 / M306A1 HE (high-explosive fragmentation), M307 / M307A1 HEAT (armor-piercing cumulative), M308 / M308A1 WP (smoke / incendiary), T25E4 (anti-personnel canister, close combat) and training with an inert grenade.
M18 Recoilless Rifle when used
The M18 grenade launcher could be fired from the shoulder, from the ground (with an emphasis on the unfolded bipod), as well as from the M1917A1 or M74 machine gun tripod. Firing from the mount provided the greatest practical accuracy.

M18 recoilless rifle
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Mass 11 kg (24 lb)[1]
Length 1,450 mm (57 in)[1]
Crew Two (gunner and loader), could be used by a single operator[3]
Cartridge 20×180mmR Bofors
Caliber 20 mm
Action recoilless, single-shot
Muzzle velocity 900–950 m/s (3,000–3,100 ft/s)[3]
Effective firing range iron sights are calibrated to 300 meters
Maximum firing range Ammunition-dependent, usually 400 to 1,000 m (1,300 to 3,300 ft)
Feed system Hinged breech[3]
Sights Open (iron) sights; Meopta ZF-4 optical sight[3]

Carl Gustaf M42 20mm recoilless rifle

Carl Gustaf recoilless rifle
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The Carl Gustaf 20 mm recoilless rifle , service name 20 mm pansarvärnsgevär m/42 (20 mm pvg m/42 ), meaning “20 mm antitank rifle model 1942”, was the first recoilless rifle produced by Carl Gustafs Stads Gevärsfaktori.
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The weapon had a penetration of just over 4 cm RHA with its standard solid shot armour piercing projectile and quickly became obsolete against modern armour, leading to the development of higher caliber recoilless guns, eventually resulting in the Carl Gustaf 84 mm recoilless rifle in 1948.
Swedish Mauser Carbines, m/94 and m/94-14 - Forgotten Weapons


The first prototype designed by Paloheimo was 47-mm caliber and early on referred as suppiloase (“funnel weapon”). This early prototype was tested in two test-firing events held in March of 1944. It had been designed primarily to shoot German 46-mm rifle grenades to notably longer distances than what normal rifle grenade equipment allowed, but testing proved it capable of shooting also projectiles notably larger than its caliber assuming they were first modified suitable for this purpose. Due to this work was started for developing modifications to panssaripanos m/42 (German HL-handgrenate or hafthohlladung 3 ), to allow it to be fired from 47-mm recoilless rifle prototype. These modifications included developing new tail and front sections which were added to panssaripanos m/42 and replacing original time fuse with impact activated concussion fuse designed to detonate the warhead when the projectile hit the target. At that time developing even larger projectiles was suggested along plan of developing “bouncing” high explosive projectile to make ammunition more lethal. While the prototype was considered a success, it was still not much more than a starting point for the development work. Variety of structural designs, barrel lengths and funnel shapes needed to be tested along testing of electrical and mechanical firing systems. Also variety of propellants was tested with type of black powder developed for ignition charges (virikeruuti ) proving as best suited propellant for this purpose.

B.S. Petropavlovskogo model 1931 (gold order / event weapon):
1931-soviet_rocket_rifle
The world’s first hand held 65 mm rocket propelled grenade launcher, 325 units were produced. It was used by parts of the NKVD for conducting special operations using high-explosive fragmentation grenades, it had no HEAT grenades as they were not invented at the time.

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6-pounder 2.45 in (62 mm),
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See Electric Aircraft, Rockets and Everyone’s Favorite ‘Star Wars ...
The gun was made in three sizes: 2-pounder, 6-pounder and 12-pounder; 1.57 in (40 mm), 2.45 in (62 mm),[4] and 3 in (76 mm) in caliber respectively, firing 2-pound (0.91 kg), 6-pound (2.7 kg), and 12-pound (5.4 kg) shells. The 3-inch gun carried a pressure of 15 tons per square inch (2,109 kg per cm2) when fired.[5] Usually a Lewis machine gun was mounted on top of the Davis gun’s barrel for use in sighting and as an auxiliary and anti-aircraft weapon.

2-pounder 1.57 in (40 mm)
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davis gun mounted to a british airplane in world war 1

3

You seem to have forgoten to put the armor penitration stats in all but the first one.

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The Carl Gustaf 20 mm recoilless rifle , service name 20 mm pansarvärnsgevär m/42 (20 mm pvg m/42 ), meaning “20 mm antitank rifle model 1942”, was the first recoilless rifle produced by Carl Gustafs Stads Gevärsfaktori. The weapon had a penetration of just over 4 cm RHA with its standard solid shot armour piercing projectile (40mm)

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Allow me to rephrase because I saw that. You for got to put the AP in the stat blocks of all but the first one. (also thats just one more)

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prototype designed by Paloheimo

https://www.jaegerplatoon.net/OTHER_AT_WEAPONS2.htm#Panssarinyrkki
https://www.jaegerplatoon.net/OTHER_AT_WEAPONS2.htm#Panssaripanos
https://www.jaegerplatoon.net/ALMOST3.htm
Adaptation of 50-mm mortar ammunition for this weapon was still incomplete and due to its higher rate of fire 50-mm mortar was often actually better fire support weapon than recoilless rifle. Some hand grenades had also been modified and tested for this weapon, but they required considerable modifications and since they were not Finnish-manufactured their further availability was uncertain. When it came to German 46-mm antitank-rifle grenades, their use in recoilless rifle demanded considerable modifications to projectile and after all development work done that far, the flight characteristics of this projectile were still simply terrible. And even if the 46-mm anti-tank rifle grenade would start performing as intended, its armor penetration was just 60-mm, which was too little to be effective. (50mm)

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at top

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Thanks

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These would have to be aircraft mounted weapons and wouldnt be that good. Seems like a great fit for a permium/event weapon.

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The M18 have way too much Explosive filler It have more than soviet 57mm and german 50mm canons soo depending the blast range It would be like BR4 just make It a RMN-50 for USA but BR4 instead of Br3

11

Nah Br2

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