Rock River Arms SPC1855: CALIBER: 6.8MM REM SPC II - LOWER RECEIVER: FORGED RRA LAR-15M - UPPER RECEIVER: FORGED A4 - BARREL: 16-INCH CHROME MOLY, 1:10 TWIST - MUZZLE DEVICE: A2 FLASH HIDER / 5/8-24 THREAD - GAS SYSTEM: MID-LENGTH GAS SYSTEM - GAS BLOCK: GAS BLOCK WITH RECEIVER HEIGHT SIGHT BASE - TRIGGER: RRA TWO STAGE - HANDGUARD: MID-LENGTH HANDGUARD - BUTTSTOCK: RRA 6-POSITION TACTICAL CAR STOCK - PISTOL GRIP: A2 PISTOL GRIP - WEIGHT: 7.1 POUNDS - LENGTH: 36 INCHES - ACCURACY: 1.5 MOA AT 100 YARDS - INCLUDES: ONE MAGAZINE, CASE, MANUAL AND WARRANTY INFORMATION.