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Mfg Item #: 8537
Ruger's AR-556 semi-automatic rifle is made from forged aerospace-grade 7075-T6 aluminum. The hard coat anodized, flattop upper receiver includes a forward assist, dust cover and brass deflector, while the handguards are made from heat-resistant glass-filled nylon. It has a carbine-length, milled gas block with multiple attachment points for a QD socket, bayonet lug, and sling. Serrations on the angled face of the gas block provides a low-glare surface. It also has a bolt machined from 9310 alloy steel, single-stage trigger, chrome-plated bolt carrier with a matte black oxide finish on the exterior, and patent-pending barrel nut and Delta ring for one person handguard removal and installation.
| Action | semi-auto |
|---|---|
| Barrel | 16.1" |
| Finish | Black Hard Coat Anodized |
| Length | 32.25" - 35.50" |
| Sights | None |
| Caliber | 223 Rem | 5.56 NATO |
| Capacity | 10 + 1 |
| Magazine | 1 10 rd. Magpul PMAG |
| Rate Of Twist | 1-in-8 |
| Stock Frame Grips | Collapsible / Folding Stock Six-Position Telescoping |
| Nfa Thread Pattern | 1/2x28 |
| Additional Feature 1 | Full Length Picatinny Rail |
| Additional Feature 2 | Single-Stage Trigger |
| Additional Feature 3 | 11" MAGPUL M-LOK Handguard |