# Rock River Arms LAR-15M .300 AAC Blackout 8in Black

**Brand:** Rock River Arms
**Category:** Handguns
**Caliber:** .300 AAC Blackout

## Specifications

- **Caliber:** .300 AAC Blackout
- **Barrel Length:** 8"
- **Finish:** Black
- **UPC:** 842834125401
- **SKU:** UCEpzS60n

## Description

The Rock River Arms LAR-15M is an AR-style pistol chambered in .300 AAC Blackout, built around an 8-inch chrome moly barrel and a matching M-LOK handguard. It ships with an SB Tactical SBA3 arm brace instead of a fixed stock, keeping the overall package short for close-range use. The upper and lower use a black anodized aluminum receiver set with a Picatinny rail on top for mounting an optic.

### Key Specifications
- **Brand:** Rock River Arms
- **Model:** LAR-15M
- **Caliber:** .300 AAC Blackout
- **Action:** Semi Auto
- **Capacity:** 30+1
- **Barrel Length:** 8"
- **Weight:** 5.20 lbs
- **Finish:** Black

### Detailed Features
- M-LOK handguard runs the length of the 8-inch barrel for lights, grips, or a sling mount.
- SB Tactical SBA3 arm brace attaches in place of a fixed stock, and the rifle ships without sights so the buyer supplies an optic.
- Chrome moly steel barrel carries a 1:9 twist and a flash hider at the muzzle.
- Black Hogue rubber grip and a single-stage trigger make up the controls.
- Aluminum receiver has a black anodized finish and a lever-style safety selector.

## Frequently Asked Questions

**Q: What caliber is the LAR-15M?**

A: The LAR-15M is chambered in .300 AAC Blackout.

**Q: What is the barrel length of the LAR-15M?**

A: It has an 8-inch chrome moly barrel with a 1:9 twist.

**Q: Who makes the LAR-15M?**

A: The LAR-15M is made by Rock River Arms.

**Q: What type of firearm is the LAR-15M?**

A: It is an AR-style pistol with a 30+1 capacity, built with a black anodized aluminum receiver and an SB Tactical SBA3 arm brace in place of a fixed stock.

**Q: Where can I buy the LAR-15M?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of Rock River Arms AR-pattern guns generally report solid, reliable function out of the box, and the chrome moly barrels hold up well over time with few reported issues. The LAR-15M pistol configuration runs a bit heavier than some competing 300 Blackout pistols, which some buyers notice when carrying it for extended periods.

As a braced pistol, the LAR-15M is popular as a short, easy-to-maneuver range or truck gun. The SBA3 brace draws mixed reactions: some like the adjustable length it offers, others swap it for a different brace or stock. Running .300 Blackout through an 8-inch barrel produces more muzzle blast and flash than a longer carbine barrel, which is the most common complaint among owners.

Rock River Arms parts are widely compatible with the broader AR-15 aftermarket, so optics mounts and M-LOK accessories bolt on without hassle. Buyers moving up from budget AR builds tend to see the LAR-15M as a step up in fit and finish, and the Hogue grip is regarded as a comfortable stock component that many leave alone.

## Pricing

**3 offers available**

| Vendor | Price |
|--------|-------|
| Shootingsurplus Com | $1042.53 |
| Guns Com | $1062.99 |
| Deguns | $1103.99 |

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