Ruger P series
| Ruger P-Series | |
|---|---|
Ruger P89
|
|
| Type | Semi-automatic pistol |
| Place of origin | United States |
| Production history | |
| Designed | 1985 (P85) |
| Manufacturer | Ruger |
| Variants | See Individual model information |
| Specifications | |
| Weight | 32 oz (910 g) (P89) |
| Length | 7.75 in (197 mm) (P89) |
| Barrel length | 4.50 in (114 mm) (P89) |
|
|
|
| Cartridge | 7.65×21mm Parabellum,9×19mm Parabellum, .40 S&W, .45 ACP |
| Action | Short recoil |
| Feed system | 10 or 15 round detachable box magazine (9mm) 10-round box magazine (.40) 7 or 8 round box magazine (.45) |
| Sights | 3-dot sight |
The Ruger P-Series is a line of centerfire semi-automatic pistols made by Sturm, Ruger & Company produced from 1985 to 2013. The P-Series pistols were designed for military, police, civilian and recreational use. The designs are largely based on the Browning action found in the M1911 pistol, but with minor variations, generally related to the safety mechanism and the barrel-camblock interface. Reviews have considered them rugged, reliable, and strong, though this strength comes at the price of bulk and a blocky appearance.
The P-Series are short recoil–operated, locked breech semi-automatic pistols. They use a SIG P220 type locking system, and an M1911-style tilting barrel. The P-Series were made with a traditional double-action/single-action (DA/SA), or double-action-only (DAO) trigger mechanism.
The standard models have an ambidextrous manual safety/decocker located on the slide; when the safety lever is lowered to the safe position, the firing pin is cammed into the slide away from the hammer, the trigger is disconnected from the sear, and the hammer is decocked. The decocker models have no manual safety; instead, when the lever is lowered, it only cams the firing pin into the slide and drops the hammer. When the lever is released, the firing pin springs back to the normal position. The DAO models have no manual safety or decocker. All models feature an automatic firing pin safety that blocks the firing pin unless the trigger is pulled fully rearward.
The pistols make extensive use of investment-cast parts and proprietary Ruger alloys. Nearly all internal parts, including the barrel, are stainless steel, while the slide and ejector are carbon steel. The P85 through P944 use an investment-cast aluminum frame, while the P95 and later models use a fiberglass-reinforced polyurethane frame.
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