Ruger SR45

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Ruger SR45 Gun Stats

Ruger SR45

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The Ruger SR45 is perfectly sized to be comfortable and controllable with a slim, ergonomic grip and narrow slide. Large Caliber Pistol with a Trim, Ergonomic Profile. High Visibility 3-Dot Sight System. Unique Reversible Backstrap is Adjustable for a Flat or Arched fit.

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Ruger SR45 Specs

1 Brand

2 Category

Technical Data


.45 Auto (.45 ACP)


30.1 oz


Striker Fire Action


10 + 1



Gun Type

Semi-Automatic Pistol


3 Dot Adjustable

Barrel Length

4.5 Inches




5.5 Inches


1.3 Inches

Ruger SR45 Features

The Ruger SR45 is a polymer-framed, striker-fired semi-automatic pistol that operates on a Browning-style short-recoil action with a tilting barrel.  These pistols were built with a 4.5 inch barrel paired with windage and elevation adjustable iron sights.  The polymer frame includes a Picatinny-style attachment rail just forward of the trigger guard allowing users to attach lasers and flashlights.

Ruger SR45 Ballistics

.45 Auto (.45 ACP) Ballistic Data
Range (Yards) Drop (inches) Velocity Energy Wind drift (inches) Time (milliseconds)
0 0 0 0 0 0
50 0 0 0 0 0
100 0 0 0 0 0
150 0 0 0 0 0
200 0 0 0 0 0
250 0 0 0 0 0
300 0 0 0 0 0
350 0 0 0 0 0
400 0 0 0 0 0
450 0 0 0 0 0
500 0 0 0 0 0

Ruger SR45 Capacity

The Ruger SR45 is chambered in .45 ACP and feeds from a double-stack, single-feed magazine with a standard capacity of 10 rounds.  Aftermarket magazine manufacturers offer larger magazines with capacities of 12, 13 and 15 rounds.  The SR45 was designed during the rush of users switching over to hollow-point ammo so Ruger designed the feed ramp to accept virtually all hollow-point loads as well as typical ball ammo.

Ruger SR45 Ergonomics

The Ruger SR45 was one of the first big-name pistols to include so many ambidextrous controls including the safety and magazine release.  The mag release doesn’t even need to be switched as it can be engaged from either side.  The slide lock, however, is only located on the left side.  The slide includes grip serrations to aid the user when manually cycling the action.

Ruger SR45 Fit & Finish

The Ruger SR45 has a polymer frame and a stainless steel slide and barrel.  As is the case with every steel part Ruger manufactures, the slide and barrel are hardened to an incredible strength to ensure durability.  While contacting surfaces are honed, many of the outside surfaces are left a bit rough, and this makes the SR series of pistols excellent candidates for cerakote and duracoat customization.

Fit and Finish

Ruger SR45 Concealability

The SR45 measures approximately 8 inches long, 5.5 inches tall and 1.25 inches wide making it about the same size as a typical 1911.  While concealment is far from impossible, it can definitely be tricky without a good holster, the right attire and proper placement.  The back of the frame under the slide is somewhat pointed, and this feature can cause discomfort when carrying at the 11 or 1 o’clock positions inside the belt.

Ruger SR45 Parts & Upgrades

How much is a Ruger SR45 worth?

In 2024 a new or used Ruger SR45 value varies depending on supply and demand. In the last 12 months there is great demand for a Ruger SR45 and most handguns. The Price for a Ruger SR45 has increased in cost by $0.00 in 2024 compared to 2023.

Estimated New and Used Values for a Ruger SR45 Values are based on a basic model with no options or colors.

Condition Trade-In Private Party Dealer
New In box $584.99 $764.99 $899.99
Excellent $539.99 $719.99 $809.99
Very Good $494.99 $719.99 $809.99
Good $450.00 $674.99 $764.99
Fair $315.00 $584.99 $719.99
Poor $225.00 $450.00 N/A

Gun Value Conditions explained:

New in box - 100% condition in unopened box. Excellent - 95%+ condition with or without box.

Very Good - 90% - 95% condition (all parts/finish should be original).

Good - 80-90% condition (all parts/finish should be original).

Fair - 30% - 80% condition, parts, and finish may or may not be original. Must function properly and shoot.

Poor - under 30% condition. Firearm has severe wear and tear, does not function, or is damaged.

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