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Home » First Look: JK Armament 155 RPX Suppressor
First Look: JK Armament 155 RPX Suppressor
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First Look: JK Armament 155 RPX Suppressor

Braxton TaylorBy Braxton TaylorMarch 31, 20252 Mins Read
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JK Armament recently launched an all-purpose .30-caliber suppressor, the new JK Armament 155 RPX .30 cal. It’s an all-purpose unit because, in addition to being suitable for most standard .30 caliber rifle cartridges up to .300 Winchester Magnum, the new JK Armament 155 RPX .30 cal can also work on 9mm/.35-caliber firearms such as .38 Spl, .357 Mag, 9mm, .338 ARC, .338 BLK and .350 Legend, thanks to an internal titanium baffle stack that is bored out to .36 caliber. To turn the JK Armament 155 RPX .30 cal into a true .35-caliber suppressor, all you need to do is to switch the end cap out for one that’s of the appropriate diameter. 

In addition to the JK Armaments ability to switch from .30 caliber to .35 caliber, its baffle stack is end-user adjustable, which means that you can add or remove the individual baffles in order to make the device shorter or longer. In its smallest form factor, the JK Armament 155 RPX .30 cal only weighs 3.6 ounces and is 3.3 inches long.

JK Armament 155 RPX .30 Cal Key Features and Specifications

  • Extremely lightweight design for hunting and precision rifle shooting
  • Durable titanium blast baffle for full-auto rating
  • Wider interior .36-caliber baffles allow big bore and 9mm use by swapping out the end cap swap
  • Uses industry standard HUB 1.375×24 mount size
  • Includes ASR compatible taper mount installed
  • Also includes unlimited, unconditional, lifetime warranty
  • Built with seven different 7075 billet aluminum JK 155 LT modular baffles
  • Grade 5 titanium JK 155 PRO blast baffle
  • JK 155 LT Flash Reducer end cap
  • ASR-compatible JK 155 LT quick attach taper mount installed
  • Length: 3.3 to 8.7 inches, depending on baffles installed
  • External Diameter: 1.55 inches
  • Weight: 3.6 to 11 ounces
  • Finish: Type 3 hard anodize and Cerakote
  • Rated for use with rifle cartridges up to .300 Win. Mag.

MSRP for the JK Armament 155 RPX .30 Cal suppressor is $849. To learn more about this suppressor or other products from JK Armament, visit jkarmament.com.

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