Q BoomBox 8.6 BLK 12-Inch SBR

The Q BoomBox 8.6 BLK 12-Inch SBR is a compact semi-automatic rifle chambered in 8.6 Blackout.

Identified by manufacturer part number BOOMBOX-86-12IN-SBR, the rifle combines Q’s 8.6 BLK cartridge platform with a purpose-built lightweight semi-automatic receiver system.

Its principal factory specifications include a 12-inch 416R stainless-steel barrel, 1:3 rifling twist, direct-impingement operating system and SR-25-pattern detachable magazine.

In addition, the BoomBox uses an 11-inch Q-Sert handguard, continuous M1913 Picatinny top rail, two-stage Q trigger, ambidextrous safety and two-position collapsible stock.

Together, these characteristics distinguish the 12-inch SBR from the longer 16-inch BoomBox rifle and the separate pistol configuration.

Q BoomBox 8.6 BLK 12-Inch SBR Overview

The Q BoomBox 8.6 BLK 12-Inch SBR represents Q’s compact semi-automatic platform built around the 8.6 Blackout cartridge.

Although its appearance shares some general characteristics with large-frame AR-pattern firearms, Q developed the BoomBox with numerous proprietary components.

The rifle uses a direct-impingement action, SR-25-pattern magazine interface and compact collapsible stock.

Furthermore, the 12-inch barrel and 11-inch handguard create the distinctive short-profile BoomBox configuration.

Current commercial records identify the factory SBR through MPN:

BOOMBOX-86-12IN-SBR

and UPC:

810152960783

For additional informational firearm pages, browse the Gunvexa firearm reference catalog.

8.6 Blackout Chambering

The BoomBox is chambered in 8.6 Blackout, commonly abbreviated:

8.6 BLK

Q developed the cartridge and later used it across several of its firearm platforms.

The BoomBox represents Q’s semi-automatic 8.6 BLK platform, whereas Q’s Fix family uses a bolt-action architecture.

Therefore, both BoomBox and 8.6 BLK should remain in the exact SEO keyphrase for this product.

8.6 BLK Standardization Background

8.6 Blackout became a formally accepted SAAMI cartridge in 2026.

SAAMI identifies the standardized abbreviated cartridge name as:

8.6 BLK

and identifies Q, LLC as the company that introduced the cartridge for standardization.

This provides an important current reference point for product documentation because older descriptions sometimes treated 8.6 Blackout as a developmental cartridge.

For current industry-standard information, use the SAAMI 8.6 Blackout standardization announcement as an external reference.

12-Inch BoomBox Barrel

The factory SBR uses a 12-inch barrel.

This barrel length represents the primary identifying dimension of the BOOMBOX-86-12IN-SBR configuration.

The 12-inch SBR should therefore remain separate from:

• 16-inch BoomBox rifle
• 12-inch BoomBox pistol
• Other future BoomBox barrel configurations

For Gunvexa SEO, retaining 12-Inch SBR in the focus phrase prevents those configurations from competing for exactly the same search term.

416R Stainless-Steel Barrel

Published BoomBox specifications identify the barrel as 416R stainless steel.

416R is commonly associated with precision firearm barrel manufacturing.

Q gives the barrel a subdued exterior rather than the clear-anodized appearance used on the receiver.

Therefore, barrel material and receiver finish should be listed independently.