# Smith & Wesson M&P45 .45 ACP Semi-Auto Pistol, Ergonomic Defense

**Brand:** Smith & Wesson
**Category:** Full Size Handguns
**Caliber:** .45 ACP

## Specifications

- **Caliber:** .45 ACP
- **Barrel Length:** 4"
- **Capacity:** 10 rounds
- **Finish:** Black
- **Weight:** 28.2 oz
- **Overall Length:** 7.6"
- **UPC:** 022188091076
- **SKU:** UCODay4i

## Description

The Smith & Wesson M&P45 is a full-size semi-automatic pistol chambered in .45 ACP, intended for personal protection and shooting sports. The polymer frame keeps weight at 28.2 ounces despite the larger caliber, with a 4-inch barrel and 7.6-inch total length. The double-action mechanism and 10-round capacity round out the core specs.

### Key Specifications
- **Manufacturer**: Smith & Wesson
- **Model**: M&P45
- **Caliber**: .45 ACP
- **Barrel Length**: 4 inches
- **Total Length**: 7.6 inches
- **Weight**: 28.2 ounces (1.76 lbs)
- **Capacity**: 10 rounds
- **Frame Material**: Polymer
- **Grip Material**: Textured Polymer
- **Action Type**: Double Action
- **Safety Features**: Thumb safety included

### Detailed Features

The barrel carries a Black Melonite finish for corrosion resistance, and the slide gets the same Armornite treatment to handle wear. Steel ramp dovetail front sights pair with low-profile carry rear sights, both featuring white dots for quick acquisition. The thumb safety can be engaged or released quickly, and the textured polymer frame provides a secure grip without aggressive serrations that can wear on skin during extended carry.

The full-size polymer frame reduces felt recoil compared to a metal-frame .45 while keeping the package lighter. This matters during longer range sessions or if the pistol is being evaluated for duty use.

### Target Audience

Suited for shooters who want .45 ACP in a platform that manages recoil reasonably well and accepts a thumb safety. Works for both experienced owners looking for a reliable sidearm and newer shooters who prefer a manual safety as part of their carry setup.

### Usage Scenarios

For personal defense, the .45 ACP caliber delivers recognized terminal performance. Home defense use benefits from the full-size grip, which gives more control during a stressful situation. The Melonite/Armornite finishes make it serviceable for duty or range use in varying weather.

## What Customers Say

*AI-generated insights from customer reviews*

The M&P45 gets generally positive marks, with ergonomics consistently at the top of the list. Users find the grip comfortable for extended handling, and the weight distribution reduces perceived recoil for a .45 ACP pistol. Reliability with a variety of ammunition types is a recurring point in owner reports.

The .45 ACP caliber itself draws predictable discussion, experienced defensive shooters value the stopping power, while others weigh it against higher-capacity 9mm options. Neither side is wrong; it comes down to what the shooter is optimizing for.

On the critical side, the full-size frame can feel bulky for concealed carry compared to more compact platforms. Some owners find the trigger pull acceptable but note it requires practice before precision shooting feels natural. Magazine capacity is occasionally mentioned as a limitation relative to modern high-capacity pistols, though 10 rounds is standard for .45 ACP platforms.

Overall the sentiment leans positive, with the gun recommended most confidently for home defense and range use. Those who prioritize concealed carry often weigh the size tradeoffs more carefully before committing.

## Pricing

**1 offers available**

| Vendor | Price |
|--------|-------|
| Guns Com | $575.99 |

## Similar Products

- [Smith & Wesson M&P45 .45 ACP Semi-Auto Pistol - Precision Protector](https://gunsnation.com/p/smith-wesson-m-p45-45-acp-semi-auto-pistol-precision-protector/UCODayal)
- [Smith & Wesson M&P45 .45 ACP Semi-Auto Pistol - Precision Defender](https://gunsnation.com/p/smith-wesson-m-p45-45-acp-semi-auto-pistol-precision-defender/UCODay4b)
- [Smith & Wesson M&P45c: Compact .45 ACP, 8-Round, Polymer Frame](https://gunsnation.com/p/smith-wesson-m-p45c-compact-45-acp-8-round-polymer-frame/UCODay4p)
- [Smith & Wesson M&P45c - Compact .45 ACP Pistol for Concealed Carry](https://gunsnation.com/p/smith-wesson-m-p45c-compact-45-acp-pistol-for-concealed-carry/UCODayb9)
- [Smith & Wesson M&P40c Compact .40 S&W Pistol - Concealed Carry Expert](https://gunsnation.com/p/smith-wesson-m-p40c-compact-40-s-w-pistol-concealed-carry-expert/UCODayaG)
- [Smith & Wesson M&P9c Compact 9mm - Versatile Personal Protection](https://gunsnation.com/p/smith-wesson-m-p9c-compact-9mm-versatile-personal-protection/UCODb84z)

---
*Data from [GunsNation](https://gunsnation.com)*