# Ruger AR-556 Stripped Lower Receiver

**Brand:** Ruger
**Category:** AR Style Rifles

## Specifications

- **Finish:** Type III Hard-Coat Black Anodized
- **UPC:** 736676285006
- **SKU:** UCCy78cGc

## Description

This is a Ruger AR-556 stripped lower receiver, a semi-automatic AR-pattern lower machined from forged 7075-T6 aluminum. It ships as a lower only, with no upper, barrel, or internal parts installed, and is built to accept standard AR-15 pattern components. The receiver carries over the dimensions and geometry of Ruger's AR-556 rifle line, so it drops into a normal AR-15 build without extra fitting.

### Key Specifications
- **Brand:** Ruger
- **Model:** AR-556 Stripped Lower Receiver
- **Action:** Semi-Automatic
- **Material:** Forged 7075-T6 Aluminum
- **Finish:** Type III Hard-Coat Black Anodized

### Detailed Features
- Machined from a forged 7075-T6 aluminum billet for a durable, lightweight receiver
- Finished in Type III hard-coat black anodizing for wear and corrosion resistance
- Ships stripped, so buyers supply their own trigger group, buffer components, and grip
- Compatible with standard AR-15 pattern uppers and lower parts kits, leaving caliber and configuration open
- Based on the AR-556 pattern, so it retains Ruger's standard lower dimensions for aftermarket fit

## What Customers Say

*AI-generated insights from customer reviews*

Stripped lower receivers get judged mostly on machining and finish, and owners building on the Ruger AR-556 lower generally say it accepts standard AR-15 parts kits without extra fitting or filing. The anodized finish holds up to years of handling and range use, and a few builders note the fire control pocket feels tight enough that a drop-in trigger seats cleanly on the first try.

Because it ships stripped, buyers pick their own trigger, buffer tube, and grip, which is exactly what a chunk of AR-15 owners want. The tradeoff is more assembly work up front, and first-time builders sometimes underestimate how many small parts (pins, springs, detents) they still need to source separately from the receiver itself.

Value opinions split along the same line: people who already have spare AR-15 parts on hand see the AR-556 lower as an inexpensive way to start a new build, while people expecting a complete, ready-to-shoot rifle are occasionally caught off guard that it's receiver-only. Once assembled, most owners treat it like any other mil-spec AR-15 lower and don't report anything unusual about how it runs.

## Pricing

**1 offers available**

| Vendor | Price |
|--------|-------|
| Classicfirearms Com | $69.99 |

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