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Amended with additional information from the designer, Tony Neophytou, 30 August 2007



The choice in shoulder guns firing HE shells of at least 20 mm calibre continues to grow. Already available are some rifles such as the South African Mechem NTW which fires old cannon cartridges, namely the 20x82 (MG 151) and 20x110 (Hispano HS 404). Also being developed is the Barrett XM109 "Payload Rifle" in the same 25x59B calibre as is used by the XM307 ACSW (Advanced Crew Served Weapon) and the XM25 which fires shorter (approx 25x37B) ammunition. Already available is the RAG-30 from the Slovak Republic, an 11.7 kg rifle firing the Russian 30x29B grenade round, and lightweight Chinese 35mm weapons. And of course there are many shoulder guns for the western 40x46SR LV (Low Velocity) grenade round (and the more recent Medium Velocity loading of that cartridge), in the form of under-barrel launchers attached to rifles and stand-alone single-shot or six-shot revolvers, with at least one gun being developed for the 40x53SR "High Velocity" cartridge.

Now there is a new offering from South Africa; the Neopup P.A.W. (Personal Assault Weapon), also known as the PAW-20. This introduces its own 20x42 cartridge made by PMP – Denel Munitions. It is something of a hybrid, because it fires what are basically normal 20mm HEI cannon projectiles, but from a very small case to keep the velocity down. It is a direct-fire weapon, with (so far) no plans for the complex airburst fuzing technology used in the XM25. The principal advantage of the ammunition is that its higher muzzle velocity of 305 m/s and more aerodynamic projectiles permit a much flatter trajectory and shorter flight time than the usual 40mm LV round. At a range of 300 metres, for instance, the 20x42 projectile takes 1.07 seconds to reach the target, with a mid-range vertex (maximum trajectory height) of 1.4 metres. Comparable figures for the 40mm LV (76 m/s muzzle velocity) are 4.66 seconds and 26 metres. The new 40mm MV rounds (around 100-120 m/s) will approximately halve the LV's figures, but it will still be far more difficult to hit a point target with the 40mm shoulder-fired weapons. This ballistic performance gives the PAW-20 an effective range against point targets of 600m, with suppressive fire up to 800m and fire against area targets at up to 1,000m. Obviously, a laser rangefinder built into the sights would greatly enhance the first-round accuracy at long range.

The gun is also interesting. It is gas operated with a rotating bolt, and fed by a 7-round detachable box magazine (in the initial version this was single-stack but the latest model has a double-stack magazine in the interests of compactness). Another recent change has been the addition of a muzzle brake to compensate for muzzle flip and allow faster repeat shots. The barrel and action are designed to recoil about 75mm into the stock to soften the recoil blow. To enable this to happen, the pistol grip is on the right hand side of the gun, allowing the action to recoil past it. This feature also enables the gun to be telescoped slightly to make a more compact package for transportation, with the overall length reduced from 860mm to 785mm. Gun weight is 5.7 kg (12.6 lbs) which is a manageable weight for carrying. It can be fired from the left shoulder simply by shifting the butt over to that side, while keeping the hands in the same position.

To sum up, this weapon has a unique combination of attributes. Small and light enough to be carried instead of a rifle as a primary arm, it offers far more accuracy and rate of fire than any other weapon with comparable destructive effect, with the presumed exception of the XM25, which is likely to be far more expensive (both gun and ammunition) in view of its sophisticated electronic systems.

Below are some photos of the latest version, followed by the original publicity brochure.

LINK: http://www.quarry.nildram.co.uk/PAW.htm
 

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Discussion Starter #2
You could kick some Taliban ass with this

That's Firepower!
 

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I love it!

But what's sad is the odds of me getting approved for or even affording the Destructive Device permit. Not to mention the weapon itself.:unhappy:

Just awhile ago I was looking at LMT's sight for AR parts and also saw the M203's. Least I can dream.:dgrin:
 
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