# Ruger AR 556 - Guns For Sale

The Ruger AR-556 is an AR-15-platform rifle chambered in 5.56 NATO (.223 Remington compatible). It has a 16.1-inch cold hammer-forged barrel with a 1:8 twist rate and a carbine-length gas system. The free-floating M-LOK handguard accepts accessories, and the M4-style stock is adjustable for length of pull. The bolt carrier group uses a chrome-plated gas key.

## Featured Firearms (27 total)

| Product | Caliber | Price |
|---------|---------|-------|
| [Ruger AR-556 MPR: 5.56 NATO, 18" Barrel, Frazzled Brown Finish](https://gunsnation.com/p/ruger-ar-556-mpr-5-56-nato-18-barrel-frazzled-brown-finish/UCCy77mL2) | 5.56 NATO | - |
| [Ruger AR-556 FDE Sporting Rifle - 5.56 NATO, 16" Barrel, 30-Rd](https://gunsnation.com/p/ruger-ar-556-fde-sporting-rifle-5-56-nato-16-barrel-30-rd/UCCy77mFF) | .223 Remington | - |
| [Ruger AR-556 Tactical Rifle - 16.1" .223 Rem/5.56 NATO, 30-Rd](https://gunsnation.com/p/ruger-ar-556-tactical-rifle-16-1-223-rem-5-56-nato-30-rd/UCCy77mIp) | 5.56 NATO | - |
| [Ruger AR-556 Semi-Auto Rifle .223/5.56, 10-Round Tactical Pro](https://gunsnation.com/p/ruger-ar-556-semi-auto-rifle-223-5-56-10-round-tactical-pro/UCCy77mKX) | .223 Remington | - |
| [Ruger AR-556 Tactical Pistol - .300 AAC Blackout with Brace](https://gunsnation.com/p/ruger-ar-556-tactical-pistol-300-aac-blackout-with-brace/UCCy77mQT) | .300 AAC Blackout | - |
| [Ruger AR-556 Pistol - Compact .223/5.56, 10.5" Barrel, 30 Rounds](https://gunsnation.com/p/ruger-ar-556-pistol-compact-223-5-56-10-5-barrel-30-rounds/UCCy77mQ5) | .223 Remington | - |
| [Ruger AR-556 - 5.56 NATO Semi-Auto Rifle w/ Adjustable Stock, Black](https://gunsnation.com/p/ruger-ar-556-5-56-nato-semi-auto-rifle-w-adjustable-stock-black/UCCy77mKo) | 5.56 NATO | - |
| [Ruger AR-556 MPR - 18" 5.56 NATO/.223 Rem Semi-Auto Rifle Black](https://gunsnation.com/p/ruger-ar-556-mpr-18-5-56-nato-223-rem-semi-auto-rifle-black/UCCy77mKQ) | 5.56 NATO | - |
| [Ruger AR-556 MPR Patriot 5.56 NATO Rifle - Flag Cerakote Finish](https://gunsnation.com/p/ruger-ar-556-mpr-patriot-5-56-nato-rifle-flag-cerakote-finish/UCCy77mKv) | 5.56 NATO | - |
| [Ruger AR-556 Tactical .223 Rem Semi-Auto Rifle](https://gunsnation.com/p/ruger-ar-556-tactical-223-rem-semi-auto-rifle/UCCy77mFd) | .223 Remington | - |
| [Ruger AR-556 MPR Turquoise 5.56 NATO 18" Optic-Ready Rifle](https://gunsnation.com/p/ruger-ar-556-mpr-turquoise-5-56-nato-18-optic-ready-rifle/UCCy77mN0) | 5.56 NATO | - |
| [Ruger AR-556 MPR .450 Bushmaster Tactical Hunter Rifle](https://gunsnation.com/p/ruger-ar-556-mpr-450-bushmaster-tactical-hunter-rifle/UCCy77mIK) | .450 Bushmaster | - |
| [Ruger AR-556 Tactical Rifle - 5.56 NATO, 16.1", Adjustable Black](https://gunsnation.com/p/ruger-ar-556-tactical-rifle-5-56-nato-16-1-adjustable-black/UCCy77mEk) | 5.56 NATO | - |
| [Ruger AR-556 Distressed White 5.56 NATO Semi-Auto Rifle](https://gunsnation.com/p/ruger-ar-556-distressed-white-5-56-nato-semi-auto-rifle/UCC75ey5C) | 5.56 NATO | - |
| [Ruger AR-556 MPR Rose Gold Semi-Auto Rifle - 18" 5.56 NATO](https://gunsnation.com/p/ruger-ar-556-mpr-rose-gold-semi-auto-rifle-18-5-56-nato/UCCy77mLI) | 5.56 NATO | - |
| [Ruger AR-556 MPR Predator .223 Wylde Kryptek Camo Rifle](https://gunsnation.com/p/ruger-ar-556-mpr-predator-223-wylde-kryptek-camo-rifle/UCCy77mN7) | .223 Wylde | - |
| [Ruger AR-556 MPR .350 Legend 16.38" Semi-Auto Rifle Black](https://gunsnation.com/p/ruger-ar-556-mpr-350-legend-16-38-semi-auto-rifle-black/UCCy77mJv) | .350 Legend | - |
| [Ruger AR-556 MPR .223 Rem Semi-Auto Rifle - Tactical Black](https://gunsnation.com/p/ruger-ar-556-mpr-223-rem-semi-auto-rifle-tactical-black/UCCy77mH7) | 5.56 NATO | - |
| [Ruger AR-556 Bronze Tactical 5.56 NATO Rifle - Versatile & Reliable](https://gunsnation.com/p/ruger-ar-556-bronze-tactical-5-56-nato-rifle-versatile-reliable/UCC75ey4T) | 5.56 NATO | - |
| [Ruger AR-556 Tactical 5.56 NATO, Texas Orange Edition Rifle](https://gunsnation.com/p/ruger-ar-556-tactical-5-56-nato-texas-orange-edition-rifle/UCC75ey73) | 5.56 NATO | - |

*Showing 20 of 27 products*

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