The Q Boombox 8.6 Blackout SBR (12″), is a high-performance short-barreled rifle built for tactical and modular applications. Chambered in 8.6 Blackout with a 12″ 416R stainless steel barrel and 1:3 twist rate, its design delivers power, accuracy, and compactness. The Boombox features a direct impingement operating system, XL Cherry Bomb muzzle device, and M18×1.5 tapered shoulder threads for accessory compatibility.
Constructed around a rugged 7075 aluminum receiver with a hardcoat anodized finish, it sports an 11″ Q-Sert handguard, continuous top rail, and ambidextrous safety. The 2-position collapsible stock allows the weapon to shrink down to around 26.75″ collapsed and extend to 31.25″, making it versatile for both maneuvering and control. It ships with a 20-round SR-25 style magazine and includes ergonomic touches like the Reptilia CQG-NB grip for solid handling in all conditions.
Key Features & Specifications
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Caliber: 8.6 Blackout
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Barrel length: 12″ 416R stainless
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Twist rate: 1:3
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Muzzle threads: M18×1.5 (tapered shoulder)
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Operating system: Direct impingement
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Capacity: 20 rounds (SR-25 mag style)
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Receiver & construction: 7075 aluminum, hardcoat anodized finish
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Handguard: 11″ Q-Sert, free-float
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Safety: Ambidextrous
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Stock: 2-position collapsible
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Overall lengths: ~ 26.75″ (collapsed), ~ 31.25″ (extended)
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Finish: Hardcoat anodized (FDE / gray tones)
Whether deployed for tactical roles, compact transport, or modular build configurations, the Q Boombox 8.6 Blackout SBR offers serious performance in a condensed platform.

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