Comstock Armory HYB-12-9-PW Hybrid Flash Hider/Brake, 1/2x28, 9mm Bore, Plan-B, Black

Comstock Armory HYB-12-9-PW Hybrid Flash Hider/Brake, 1/2x28, 9mm Bore, Plan-B, Black

The Comstock Armory HYB-12-9-PW is a full-size hybrid muzzle device with 1/2x28 barrel threads, a bore for bullets up to 9mm and a Plan-B-compatible suppressor interface. Its combined flash-hider and muzzle-brake design addresses flash and recoil together, while providing a sacrificial surface that helps protect a suppressor's blast baffle.

This version is made from 17-4 PH stainless steel, finished in black nitride and predrilled for professional pin-and-weld applications on 14.5-inch barrels. The hybrid format suits buyers looking for a balance of muzzle-device functions instead of selecting solely for flash reduction or recoil reduction.

Match the hybrid device to your 1/2x28 barrel. Shop the Comstock Armory HYB-12-9-PW at BattleHawk Armory.

Combined Flash-Hider and Muzzle-Brake Functions

The hybrid geometry provides both recoil and flash reduction, with an emphasis on a balanced result rather than maximum braking alone. In a compatible suppressed configuration, the device also acts as a sacrificial baffle. That puts a replaceable muzzle component ahead of the suppressor's blast baffle to help reduce wear; it does not eliminate the need to maintain the complete system.

A Defined Full-Size Configuration

The HYB-12-9-PW measures 2.14 inches overall, weighs 2.4 ounces and adds approximately 1.5 inches beyond the muzzle. Those measurements describe the device and its approximate extension separately. Its rotational symmetry avoids a required clock position, while the predrilled feature supports its intended pin-and-weld application. Have a qualified gunsmith confirm final dimensions before permanent installation.

Plan-B Fitment and Bore Limits

Compatible .900-24 adapters include Comstock LPA, Q Plan-B and Rearden Atlas. The device's bore supports bullets up to 9mm, including .350 Legend, but that does not establish compatibility with every firearm or suppressor. Confirm matching 1/2x28 barrel threads, cartridge suitability, internal clearance and system alignment. The suppressor and suppressor-side adapter are separate components, not functions performed by the muzzle device alone.

Product Specifications

• Manufacturer: Comstock Armory
• Model / SKU: HYB-12-9-PW
• UPC: 850069580254
• Product type: Hybrid Flash Hider/Muzzle Brake
• Barrel threads: 1/2x28
• Bore capability: Up to 9mm; includes .350 Legend
• Suppressor interface: Plan-B-compatible .900-24
• Compatible adapter families: Comstock LPA, Q Plan-B, Rearden Atlas; complete-system fitment required
• Material: 17-4 PH stainless steel
• Finish: Black nitride
• Overall length: 2.14 inches
• Approximate length added beyond muzzle: 1.5 inches
• Weight: 2.4 ounces
• Wrench flats: 3/4 inch
• Timing: Not required; rotationally symmetric
• Pin-and-weld provision: Predrilled; intended for 14.5-inch barrel applications

Included Item

One Comstock Armory HYB-12-9-PW muzzle device.

Frequently Asked Questions

Is the HYB-12-9-PW a flash hider or a muzzle brake?

It combines both functions in one hybrid device and also provides a Plan-B-compatible suppressor-mount interface.

Does the hybrid device require timing?

No. Its rotationally symmetric design does not require timing with shims.

What does the 9mm bore specification tell me?

It identifies the supported bullet-diameter range of the muzzle device, including .350 Legend. It does not replace verification of the firearm's thread pattern or the suppressor's cartridge rating.

Buy the Comstock Armory HYB-12-9-PW at BattleHawk Armory for a specialized 1/2x28 hybrid that brings flash reduction, recoil reduction and Plan-B mounting into one component.

Explore Comstock Armory accessories at BattleHawk Armory.