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Ruger P90 Ruger P90
Ruger P90 Ruger P90
  • Safety-decocker combo
  • Easy to rack
  • Discontinued
  • Low capacity for its size
Editor’s Note:

The Ruger P90 is an upscaled version of Ruger’s solid P89 platform but chambered in .45 ACP. It utilizes a SIG P220-style locking system with a 1911-style tilting barrel. Features include an ambidextrous decocker/safety combo, a 4.5-inch stainless steel barrel, and a 7 or 8+1 standard capacity. The frame is investment cast aluminum, with most of the internal parts being constructed from stainless or carbon steel. Ruger set out to produce an affordable, rugged service gun, and the P90 accomplishes that.

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Classic Firearms

Ruger P90 Specs

Short-recoil, semi-automatic
Barrel Length
4.5 in
Magazine Capacity
8 round
.45 ACP
Overall Length
7.75 in
32 oz
Fixed front and rear sights
Ambidextrous manual safety
Polymer or alloy

Ruger P90 Features

7 or 8+1 capacity
Ambidextrous decocker/safety combo
DA/SA trigger
Stainless steel barrel
Fixed 3-dot sights

By The Numbers - Ruger P90

Accuracy is solid at typical combat distances. I get my best groupings with 230gr ammo.
The Ruger P-series of firearms are known for being reliable, and my P90 is no exception.
You can still get aftermarket sights, grip panels, and a few magazine based accessories, but there isn't much else.
This a tough one to score. It looks and feels and bit unwieldy, but the controls are fairly easy to access and once you begin firing the gun, the ergonomics make more sense.
The P90 is an outdated, thick, single-stack .45 ACP gun. But if shop around, you can get a durable, easy-to-shoot, relatively accurate all metal gun for a very affordable price.

Hands-On Reviews & Related Post

Ruger P90 Variations & Comparables

Rock Island Armory 1911 GI Standard MS

Rock Island Armory 1911 GI Standard MS


The Rock Island Armory 1911 GI Standard MS (Mid-Size) is a commander-length 1911 that stays true to the original GI combat-issued 1911s of the past. Its shorter 4.25-inch barrel helps keep the gun more compact and concealable while still retaining the accuracy the 1911 is known for. The GI Standard MS holds 8+1 rounds of .45 ACP and comes with a crisp 4-6 pound trigger, wood grips, low profile GI sights, and a smooth parkerized finish.

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(3 ratings)
Taurus PT-1911

Taurus PT-1911


Great gun for the budget.  Strong recoil but great if you can handle it.

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Kimber Desert Warrior

Kimber Desert Warrior


The Kimber Warrior is an outstanding gun from the looks department. If you are a buyer who is strictly into guns for self-defense and can only purchase one gun, I’d steer clear of this shooter as it’s not the most reliable. Our reviewer experienced some issues while testing and performed well only with the right mags and ammo.


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Springfield Armory Emissary 1911

Springfield Armory Emissary 1911


Springfield Armory’s Emissary 1911 is where classic meets modern.  It functions just like an old school 1911 but has modern touches such as the full-length guide rod and a heavy-profile, bushingless bull barrel.  This gun looks and feels quality.

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Ruger P90 Upgrades & Accessories

final verdict

It may be oversized, and it may be a bit on the ugly side; the capacity is low, and sure…the frame might be cast. While that doesn’t sound like the makings of a good gun, it couldn’t be further from the truth. Ruger set out to make a series of affordable firearms for the everyman, and they nailed it with the P-series. The P90 is easy to operate, shoots relatively soft, has a solid control scheme, and is downright reliable. These guns have gained a reputation for being tanks, with many still being found in great condition today. Finding an all-metal DA/SA .45 ACP gun that doesn’t break the bank still isn’t an easy task, making the P90 still oddly relevant in a weird, niche way. The Ruger p90 is a gun that is greater than the sum of its parts and is definitely worth grabbing if you can snag a clean one for $450 or less.

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