Sturm Ruger AR-556 Optics Carbine, Free-Float M-LOK Handguard, 5.56 NATO, 16.10 in Cold Hammer-Forged Barrel, 1/2"-28 Threaded, 30+1 (SKU 08529)
This AR-556 Optics Carbine from Sturm Ruger is a 2020-production rifle that pairs a free-float aluminum M-LOK handguard with a 16.10-inch cold hammer-forged barrel and forged 7075-T6 receivers. It features a flat-top upper with Picatinny rail, forward assist, ejection-port cover, and Type III hard-coat anodized finish. Marked "RUGER MAYODAN, NC USA," it comes in excellent condition with a clean, mirror-bright bore.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This rifle shows very little prior use. The bore is clean and shiny.
What's Included
- Ruger factory cardboard box with end label (SKU 08529)
- Manual
- 1x 30-round Magpul PMAG polymer magazine
The AR-556 Optics Carbine configuration uses a free-float aluminum M-LOK handguard with "RUGER" branding and M-LOK slots at 3, 6, and 9 o'clock. The handguard length is approximately 11 inches, providing ample mounting space while keeping weight forward of the receiver.
Its 16.10-inch cold hammer-forged barrel has a 1:8 RH twist to stabilize a wide range of 5.56 NATO projectiles. The muzzle is threaded 1/2"-28 and fitted with an A2-style flash suppressor, and the barrel is listed with threaded and cold hammer-forged features.
The rifle operates via a semi-automatic, direct-impingement system and uses a flat-top upper with a Picatinny rail, forward assist, and an ejection-port cover. Receivers are forged 7075-T6 aluminum finished in Type III hard-coat anodizing, with selector markings "SAFE"/"FIRE" and a capacity of 30+1.
Furniture details include a collapsible stock with a rear sling loop, a black polymer pistol grip with the Ruger logo, and a charging handle and buttstock that feature the Ruger crest. The receiver is marked "RUGER MAYODAN, NC USA," and the factory box end label shows SKU 08529. Country of origin is USA.