Q Boombox SBR 8.6 Blackout 12″ 20+1

The Q Boombox is a short-barreled rifle (SBR) chambered in 8.6 Blackout with a 12-inch threaded barrel and a direct impingement operating system. It features a 1:3 twist rate and ships with one SR-25 pattern magazine rated at 20+1 capacity. The rifle uses a continuous M1913 Picatinny top rail and an 11" Q-Sert handguard to support optics and accessories. An adjustable folding stock and ambidextrous safety provide compact handling and ergonomic control.

Key Specifications

• The action is Semi-Auto (Direct Impingement).
• The caliber is 8.6 Blackout.
• The barrel measures 12 inches and is threaded.
• The twist rate is 1:3.
• The muzzle device is a XL Cherry Bomb.
• The barrel threads are M18x1.5 (tapered shoulder).
• The magazine capacity is 20 + 1 and uses an SR-25 pattern magazine (one included).
• The stated weight is 5.80 lbs.
• The handguard is a Q-Sert 11 inches aluminum handguard.
• The receiver is made from 7075 aluminum with a clear hardcoat anodize finish.

Built as a compact, accessory-ready platform, the Boombox combines a short 12" threaded barrel, robust materials and a continuous top rail to support a range of lawful sporting and precision setups. Its SR-25 magazine compatibility and adjustable folding stock make it a practical choice for users seeking a customizable SBR platform for legal and responsible applications.