DIA 5.56 7IN 30R PSTL W/XB BLK DB1921K001

CALIBER: 5.56 NATO - BARREL: DIAMONDBACK BARRELS PISTOL-LENGTH 7 MEDIUM 4150 CrMov BLACK NITRIDE - TWIST: 1:8 RH - GAS SYSTEM: PISTOL-LENGTH GAS SYSTEM - BCG: SHOT-PEENED MAGNETIC PARTICLE INSPECTED MIL SPEC 8620 CARRIER - UPPER: A3 FLATTOP FORGED 7075 T-6 ALUMINUM T-MARKED - LOWER: DIAMONDBACK STANDARD FORGED 7075 T-6 ALUMINUM LOWER - HANDGUARD: 6 M-LOK RAIL WITH BARREL NUT AND SCREWS - GRIP: A2 STYLE-BLACK PLASTIC - STOCK: BUFFER TUBE FOAM PAD - MAG: 30RD P-MAG - SIGHTS: NO SIGHTS - MUZZLE DEVICE: A2 FLASH HIDER (1/2 X 28) - TRIGGER: STANDARD TRIGGER - Additional upper - CALIBER: 300 BLACK OUT - BARREL: Diamondback Barrels 10 4140 Chrome-Moly Free Float Black Nitride - GAS SYSTEM: PISTOL-LENGTH GAS SYSTEM - UPPER: A3 FLATTOP FORGED 7075 T-6 ALUMINUM T-MARKED - HANDGUARD: 9 in. M-LOK Rail - MAG: 30RD P-MAG - MUZZLE DEVICE: A2 FLASH HIDER (1/2 X 28) Manufacturer Part Number: DB1921K001