PS90 Semi-automatic Models
- The PS90 is a carbine version of the P90, intended for civilian shooters for personal protection and sporting use; it was introduced in 2005, and continues to be offered in several configurations. The PS90 will accept the standard 50-round P90 magazines, but the gun is supplied with a magazine that is blocked to a capacity of 10 or 30 rounds, allowing it to be sold in jurisdictions where magazine capacities are restricted by law.
- In order to be legal for purchase by civilians without obtaining a tax stamp for a Short Barreled Rifle (SBR) as defined by the United States National Firearms Act, the PS90 carbine has an extended 407 mm (16 in) barrel and is semi-automatic, with a trigger pull of approximately 31 to 36 N (7 to 8 lbF). The lengthened barrel has eight rifling grooves, with a right-hand twist rate of 1:229 mm (1:9 in) and a rifled length of 376 mm (14.8 in); the muzzle is equipped with a fixed "birdcage" type flash suppressor.
- Despite the added barrel length, the PS90 is relatively compact and lightweight, with an overall length of 667 mm (26.3 in), and a weight of 3.4 kg (7.5 lb) with a fully loaded 50-round magazine. Due to the added barrel length, the PS90 can also achieve a muzzle velocity of up to 777 m/s (2,550 ft/s) with SS195LF ammunition, or up to 930 m/s (3,050 ft/s) with third party ammunition (see ballistic performance summary below).
- PS90 Standard
- The PS90 Standard features a MIL-STD-1913 (Picatinny) rail fitted to the top of the receiver, which allows the shooter to mount his or her preferred optical sight. The rail includes a set of integrated iron sights, as backup in case the primary sight is damaged. The PS90 Standard is available with either an olive drab or black frame.
- PS90 TR
- The PS90 TR features a "Triple Rail" receiver assembly identical to that of the P90 TR. The top of the receiver consists of an MIL-STD-1913 (Picatinny) rail, allowing the shooter to mount his or her preferred optical sight. Two polymer side rails—one on each side of the receiver—are also included for mounting secondary accessories, such as lasers or tactical lights. Like the PS90 Standard, the PS90 TR is available with either an olive drab or black frame.
- PS90 USG
- The PS90 USG is a discontinued model of the PS90 carbine. In the same fashion as the P90 USG, this model has an aluminium reflex sight housing with a revised reticle. The black reticle consists of a tiny dot inside of a small ring, which is joined by three posts that glow red in low light conditions due to tritium-illumination. The USG reflex sight can be removed and replaced with a special MIL-STD-1913 (Picatinny) rail mount for attaching a different sight, and like other models of the PS90, the USG is available with either an olive drab or black frame. As of 2011, the PS90 USG model is no longer listed by FNH USA, but the USG reflex sight is still offered as a standalone accessory.
| SS195LF | SS197SR | EA Protector | EA Varmintor | EA S4 | ||
|---|---|---|---|---|---|---|
| Projectile weight | 1.8 g (28 gr) | 2.6 g (40 gr) | 2.6 g (40 gr) | 2.3 g (36 gr) | 1.8 g (28 gr) | |
| Muzzle velocity | 777 m/s (2,550 ft/s) | 640 m/s (2,100 ft/s) | 716 m/s (2,350 ft/s) | 747 m/s (2,450 ft/s) | 930 m/s (3,050 ft/s) | |
| Muzzle energy | 550 J (405 ft-lb) | 530 J (390 ft-lb) | 665 J (490 ft-lb) | 650 J (480 ft-lb) | 785 J (580 ft-lb) | |
| Reference | ||||||
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