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 PX3A1 caseless pistol
Crookfur
Posted: May 13 2007, 12:17 PM


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Posts: 118
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PX3A1 Caseless self loading pistol

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Round: 9x24mm CFC Caseless
Barrel length: 162mm
Overall length: 208 mm
Weight (gun empty): 800kg
Magazine capacity: 14rounds
Fire modes: Safe/Semi automatic
Price: $850

The PX3A1 is the long awaited pistol designed to replace the P2 (HK USP series ) .357SIG pistols as the standard side arms of the Crookfur Armed forces and police services. The PX3 uses a gas powered mechanism not dissimilar to that of the SX23 rifle featuring a falling chamber assembly, although in order to fit this style of mechanism inside a pistol the return spring is mounted around the barrel and rotary firing pin is used. To cock the gun when a fresh magazine is inserted or when a unfired round need to be extracted (in the event of a dud round or when unloading the gun), the user grips the too projections at the rear of gun and pulls them backwards, this cocking handle when pulled back to the first position works the mechanism feeding a round into the chamber, to remove unfired ammunition from the gun, the cartridge stop lever above the trigger is pushed down and the cocking handle pulled back, if there is a round in the magazine this is used to force the old round out through the ejection port to the rear of the weapon, if there are no other rounds in the weapon, the cocking handle is pulled back to its second stop which extends the ejector rod to force the round from the gun. In addition to the cocking handle, the pistol features 2 more controls: the magazine release/cartridge stop lever, mounted above the trigger which is pushed down to release the magazine and pushed up to disengage the cartridge stop. The second control is the safety, which comes in 3 forms: left mounted, right mounted or ambidextrous, the safety functions almost exactly the same as that used the HK USP series so will be instantly familiar to anyone who has used that weapon (the mag release is also in roughly the same, place, this is deliberate as most Crookfur pistol users have been using USPs for quite some time).

In terms of construction the pistol frame is made of high strength polymer with the internals being made of high grade steel and titanium where appropriate. As with the previous USP based pistols a polygonal rifled barrel is used. Standard issue sights are as with many parts of the weapon more or less identical to the USP in order to ease a userís adjustment to the new design although they can be quickly replaced with a range of different options including adjustable sights (as illustrated). As the new 9x24mm ammunition is more powerful than the previous .357SIG and 9x22mm caseless rounds used by Crookfur forces a forward weight and compensator is fitted although these can be quickly removed. Finally since the PX3A1 is a Crookfur weapon it would not be complete without some sort of mounting rail, in this case a short under barrel accessory mounting rail (which is NOT PD- or S- RIS compatible).

The pX3A1 has been designed from the outset to use the new 9x24mm CFC caseless ammunition. In its standard load the 9x24mm round fires a 7.5gram (115 grain) bullet that consists of a hardened steel nose section and a gliding metal jacket wrapped around a pre scored mild steel core and is designed to offer the best compromise between armour penetration and terminal effect. This standard loading is fired at a velocity of approximately 462m/s (1516fps) for a muzzle energy in the 800 joule(590ft:lbs) region. A wide range of alternative loads are available with bullet weights ranging from 5.8-8.1grams (90-125grains) and projectile types covering most options.
In Short the PX3A1 is an advanced pistol design that offers the best of both worlds in pistol performance with the usability and flat shooting of a 9mm round with the power and performance of a .45. Recoil might be an issue for users more used to lighter 9mm rounds but they can be quickly trained to adapt to the round especially with the use of in built recoil reduction mechanisms. Experienced pistol users have during tests found the PX3A1 a delight to shoot with its shape making it a very natural pointer.
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