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JK Armament 155 Minimalist 9mm Muzzle Device, 1/2x28, Black
The JK Armament 155 Minimalist 9mm muzzle device combines a compact quick-attach mounting point with minimal added length. The 1/2x28 version is made for a barrel with the matching thread pattern and suitable bore clearance, with a black finish for a restrained appearance.
Choose the 155 Minimalist 9mm Muzzle Device, 1/2x28, Black at BattleHawk Armory.
Purpose-Built Muzzle Function
At 1 inch long and 2.2 ounces, the Minimalist keeps the muzzle interface compact. It is a practical fit for a compatible firearm whose owner values a small mounting footprint.
Taper Interface for Suppressor Attachment
The Minimalist works with compatible JK quick-attach taper mounts. A matching suppressor mount engages the muzzle device, while the taper provides a gas-sealing seating surface. The compact body concentrates on the attachment function; it should not be selected as a dedicated compensator.
Stainless Steel With a Nitride Finish
Heat-treated 17-4 stainless steel provides strength at the muzzle, and the black nitride finish adds a durable surface treatment. Front and rear wrench flats provide defined tool engagement. Those details are useful for a part that may remain exposed between suppressed range sessions.
Caliber and Thread Fitment
The muzzle device has a 9mm bore and 1/2x28 barrel threads. Both specifications must suit the firearm. The thread pattern identifies the barrel connection; it is separate from the taper-mount interface used by the suppressor. Confirm the complete suppressor system's caliber rating independently.
Product Specifications
- Manufacturer: JK Armament
- Model: 155 Minimalist
- Bore: 9mm
- Barrel threads: 1/2x28
- Construction: Heat-treated 17-4 stainless steel
- Finish: Black nitride
- Mounting interface: Compatible JK quick-attach taper mounts
- Length: 1 inch
- Weight: 2.2 ounces
Frequently Asked Questions
Can it be used without a suppressor?
Yes. The Minimalist can remain on a compatible barrel as a standalone muzzle device.
Does it attach directly to a bare HUB suppressor?
No. A compatible taper mount in the suppressor is needed to engage the muzzle device. HUB threads alone do not provide that connection.
Is the thread pattern enough to establish fitment?
No. The firearm must also have suitable bore clearance for the 9mm muzzle device, an appropriate muzzle shoulder, and compatibility with the chosen suppressor system.
Shop the 155 Minimalist 9mm Muzzle Device, 1/2x28, Black at BattleHawk Armory.
| Manufacturer | JK Armament |
| Pricing Unit | EA |
| Model | Minimalist |
| UPC | 850038425906 |
| SKU | JKMDHDM24 |
| Width | 6.6000 |
| Length | 19.5000 |
| Height | 1.5000 |
| Weight | 0.1550 |



FFL Required