- MANUFACTURER: Ruger
- FAMILY: AR-556 Rifle Series
- MODEL: AR-556
- TYPE: Rifle
- ACTION: Semi-Auto, DI
- CALIBER/GAUGE: 5.56 NATO
- FINISH: Black Hard Coat Anodized
- STOCK: Collapsible (Carbine Style)
- STOCK/GRIPS: Six-Position Telescoping
- BARREL: 16.1″
- OVERALL LENGTH: 32.25″ – 35.50″
- RATE-OF-TWIST: 1-in-8
- CAPACITY: 30 + 1
- # OF MAGAZINES: 1
- MAG DESCRIPTION: 30 rd. Magpul PMAG
- SIGHTS: MBUS (fr., rr., blk.)
- SIGHT TYPE: Magpul
- THREAD PATTERN: 1/2×28
- SPECIAL: Threaded Barrel Model
- WEIGHT: 6.7 lbs.
- SHIPPING WEIGHT: 8.85 lbs.
- ADDL INFO: Full Length Picatinny Rail
- ADDL INFO: Single-Stage Trigger
- ADDL INFO: 11″ M-LOK Handguard