Q Boombox SBR 8.6 Blackout 12″ Barrel Semi-Automatic Rifle

The Q Boombox SBR is a semi-automatic rifle chambered in 8.6 Blackout, built around a direct impingement operating system. This configuration features a 12-inch barrel machined from 416R stainless steel with a bead blasted finish and a 1:3 twist rate. The muzzle is threaded M18x1.5 tapered and fitted with the XL Cherry Bomb muzzle device.

The upper rail and receiver are constructed from 7075 aluminum. The Q-Sert handguard is made from 6061 aluminum and measures 11 inches in length. A continuous M1913 Picatinny rail runs the full length of the top, providing a mounting surface for optics and accessories. Sights and optics are not included.

Key Specifications

• Caliber: 8.6 Blackout
• Barrel Length: 12 inches
• Barrel Material: 416R Stainless Steel
• Barrel Finish: Bead Blasted
• Twist Rate: 1:3
• Muzzle Device: XL Cherry Bomb
• Thread Pitch: M18x1.5 Tapered
• Operating System: Direct Impingement
• Weight: 5 lbs 8 oz
• Stock: 2-Position Collapsible
• Trigger Pull: 3.25 lb – 3.75 lb, AR-15 Style
• Safety: Ambidextrous
• Magazine Type: SR-25 Type, 20-Round Capacity
• Upper Rail / Receiver Material: 7075 Aluminum
• Handguard: Q-Sert, 6061 Aluminum, 11 inches
• Top Rail: Continuous M1913 Picatinny
• Color: Gray

The Q Boombox SBR is available at ICB Firearms with fast nationwide shipping and local pickup in Saint Clair Shores, Michigan. Contact our team for assistance or additional product details.