Pipe Hitter 8.6 BLK SBR


This 12-inch barrel SBR, chambered in the 8.6 Blackout developed by Q, maximizes target impact with a .338 projectile and a rapid 1:3 twist rate, ideal for suppressed shooting. Its design focuses on high energy transfer and efficiency, as demonstrated in gel tests, making it a top choice for enthusiasts looking to join the 8.6 Blackout Club.

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Categories: , SKU: 30008


Pipe Hitter 8.6 BLK SBR


The 12-inch barrel features a Big Gunner profile with a 1:3 twist rate for insane energy on target. Equipped with a pistol-length direct impingement gas system and a SA adjustable gas block, it delivers smooth cycling and consistent performance. Crafted from CrMov with a QPQ finish, it’s durable without needing chrome lining. Rigorously tested with HP and MPI testing, and completed with a flash hider for recoil and muzzle rise mitigation.


Our 11-inch handguard is crafted from lightweight yet robust 6061 T6 Aluminum. Mlok slots at 3, 6, and 9 o’clock positions, along with 45-degree cuts, offer versatile mounting options. It features a full-length Picatinny rail on top for optics and accessories, plus multiple QD points for sling attachment. With a retention system and anti-rotational tabs, it ensures stability during intense use.

BCG (Bolt Carrier Group):

The precision-ground BCG is finished in durable black nitride for reliability. Made with a 9310 steel bolt, properly heat-treated, MPI, and shot-peened, it guarantees flawless operation. Made in the USA and fully auto-capable, it’s a symbol of quality craftsmanship.

Upper Receiver:

The billeted upper, made from 7075-T6 aluminum, ensures strength and precision. Paired with a thermal-fit barrel, it offers seamless integration and accuracy. With a Radian ambidextrous charging handle and E series Cerakote finish, it’s both functional and stylish.

Lower Receiver:

Crafted from 7075 T6 aluminum, the lower features a solid-piece trigger guard, a flared magwell, and an enhanced buffer tube for improved ergonomics. With a smooth buffer system, Radian ambidextrous safety selector, right-side bolt release, and Geissele 2-stage SSA trigger, it ensures control and reliability.


Finished with E series Cerakote on top of type 3 hardcoat anodized, this assembly is not only high-performing but also visually stunning.

Whether for duty, competition, or recreation, the Pipe Hitter sets the standard for quality, performance, and reliability.

Additional information


Precision ground, Heat treated, Shot peened, MPI

BCG Coating

Black Nitride

Billet Upper

Billet 7075- T6 aluminum

Billet Lower

Billet 7075- T6 aluminum

The Barrel

4150 CMV Button Rifled

Barrel Length


Barrel Twist


Hand Guard

6061 T6 Aluminum


8.6 BLK

Rail Mounting System

MLOK and Picatinny

Muzzle Threads


Gas System

Pistol Length DI


7.8 lbs


30.75-33.75 inches


AR 10 308 Magazine




Geissele SSA two stage

Safety Selector


Charging Handle

Radian Raptor Ambi



Buffer Weight

3.5 oz

Buffer Spring

Proprietary Flat Wire


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