# Radical Firearms AR Pistol: Compact 5.56 NATO, 10.5" Barrel

**Brand:** Radical Firearms
**Category:** Full Size Handguns
**Caliber:** 5.56 NATO

## Specifications

- **Caliber:** 5.56 NATO
- **Barrel Length:** 10.5"
- **Capacity:** 30 rounds
- **Weight:** 84.64 oz
- **UPC:** 814034021999
- **SKU:** UCEKYNnTz

## Description

The Radical Firearms 5.56 NATO AR pistol is a compact semi-auto built around MIL-STD upper and lower receivers, chambered in 5.56x45mm NATO with a 10.5" barrel and a 30-round capacity. At 5.29 lbs. it handles well and moves fast between positions.

### Key Specifications

- **Caliber:** 5.56x45mm NATO
- **Action:** Semi Automatic
- **Barrel Length:** 10.5 inches
- **Capacity:** 30 rounds
- **Weight:** 5.29 lbs.
- **Finish:** Black

### Features

The 10" RPR free-float rail system keeps accessories clear of the barrel, which helps consistency and leaves room for an optic or light. The SB-Tactical SBA3 pistol brace adjusts to five positions, so different shooters can dial in a comfortable hold without swapping parts.

The MIL-STD M4-profile upper and lower receivers give it a standard parts interface, nothing proprietary to chase down if something needs replacing.

### Use

With a 10.5" barrel and 5.56mm, velocity is lower than a rifle-length build, but the package is much shorter and still adequate for home defense or range work inside typical distances. The free-float rail and compact size also make it reasonable for varmint control where a shorter gun is easier to carry through brush.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the Radical Firearms AR Pistol in 5.56 NATO with the 10.5" barrel tend to land in a few predictable camps.

The compact size gets the most consistent praise, it's easy to transport, and the shorter overall length makes it practical as a home defense gun or truck gun without the bulk of a full rifle. Pricing comes up often too; Radical Firearms sits below most name-brand AR makers, which draws buyers who want an AR platform without a premium price tag.

On the critical side, fit and finish comments appear regularly. Some owners note that surface quality doesn't match higher-end builds, which is expected at this price point but worth knowing. Reliability reports are mixed, most users run it without issues, but there are enough reports of feeding problems with certain ammunition that owners commonly recommend a thorough break-in and testing with your defensive ammo before relying on it.

Weight and size tradeoffs come up occasionally. A 10.5" pistol is lighter than a carbine, but some users expected it to feel even more compact given the "pistol" designation.

Overall the sentiment is cautiously positive: buyers who go in knowing what they're getting, an affordable AR pistol with acceptable build quality, tend to come away satisfied. Those expecting premium fit and finish at a budget price are more likely to be disappointed.

## Pricing

**2 offers available**

| Vendor | Price |
|--------|-------|
| Guns Com | $500.99 |
| Guns Com | $850.99 |

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