# Rock River Arms LAR-15M CAR A4 .300 AAC Blackout Rifle

**Brand:** Rock River Arms
**Category:** Semi-Automatic Rifles
**Caliber:** .300 AAC Blackout

## Specifications

- **Caliber:** .300 AAC Blackout
- **Barrel Length:** 16"
- **Capacity:** 30 rounds
- **Finish:** BLACK HARDCOAT ANODIZED
- **Weight:** 116.8 oz
- **Overall Length:** 36"
- **UPC:** 842834108817
- **SKU:** UCEpzS1hJ

## Description

The Rock River Arms LAR-15M CAR A4 is a semi-automatic rifle chambered in .300 AAC Blackout with a 16-inch chrome moly steel barrel, 1:8 twist, and direct impingement action. It holds 30+1 rounds and weighs 7.3 lbs with a black hardcoat anodized aluminum receiver.

### Key Specifications
- **Model:** LAR-15M CAR A4
- **Brand:** Rock River Arms
- **Caliber:** .300 AAC Blackout
- **Action Type:** Semi-Automatic (Direct Impingement)
- **Barrel Length:** 16 inches
- **Capacity:** 30 + 1 rounds
- **Weight:** 7.3 lbs.
- **Finish:** Black Hardcoat Anodized
- **Receiver Material:** Aluminum

### Features
The RRA 6-position tactical CAR stock adjusts length of pull for different shooters. The two-stage match trigger has a crisp break that holds up over long range sessions. A railed gas block accepts optics and accessories. The .300 Blackout chambering handles both supersonic and subsonic loads, which gives it real flexibility depending on whether you're running a suppressor or not.

## Frequently Asked Questions

**Q: What caliber is the Rock River Arms LAR-15M CAR A4?**

A: It is chambered in .300 AAC Blackout.

**Q: Who makes the LAR-15M CAR A4?**

A: It is made by Rock River Arms.

**Q: What is the barrel length of the LAR-15M CAR A4?**

A: It has a 16-inch barrel.

**Q: How many rounds does the LAR-15M CAR A4 hold?**

A: It has a 30+1 capacity.

**Q: What type of firearm is the Rock River Arms LAR-15M CAR A4?**

A: It is a semi-automatic rifle with a direct impingement action and a black hardcoat anodized aluminum receiver.

**Q: Where can I buy the Rock River Arms LAR-15M CAR A4?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

The LAR-15M CAR A4 in .300 AAC Blackout gets a generally positive reception, with a few recurring gripes.

Build quality is where most owners start. The rifle feels solid and the materials hold up to regular use. Accuracy is a consistent strength; the 1:8 twist handles the .300 Blackout well at typical engagement distances, and subsonic performance gets called out specifically. The AR platform's modularity means adding optics, grips, or other accessories is straightforward, and users take advantage of that.

On the negative side, weight comes up often. At 7.3 lbs it sits heavier than some comparable AR builds, which matters during extended carry. Price is another point of friction. The rifle costs a bit more than some competitors with similar specs, though most owners feel the quality warrants it. A few buyers have noted needing to make adjustments right out of the box before it met their preferences.

## Pricing

**2 offers available**

| Vendor | Price |
|--------|-------|
| Grabagun Com | $970.99 |
| Guns Com | $989.99 |

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