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SuppressorsMid-Range

JK Armament

JK Armament PRO-KOR 556K

Sub-$1k Haynes 282 K-can with included taper mount and PEW Suppression Rating 40.4 on MK18

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Quick Specs

Price
$999
Weight
14.5 oz
Brand
JK Armament
Category
suppressor

Features

  • 5.56 NATO / 6mm ARC
  • Haynes 282 baffle core
  • PEW SR 40.4 MK18
  • HUB 1.375x24 + Ti War Eagle taper mount
  • 14.5 oz core

Capability Boosts

Suppression+2
Mobility+1

Recommended For

Outdoor Defense+2
suppressed shooting+2
suppressed use+2
suppressor host+2
Vehicle Operations
Concealed Carry

+9 more

Compatibility Tags

family: modern-riflefamily: ar-patternsuitable-for: ultra-compactcaliber: 556caliber: 223

Pros

  • +PEW SR 40.4 MK18 at sub-$1k, best price-per-suppression in the 2026 field
  • +3D-printed Haynes 282 baffle core with stainless and titanium mount-system components
  • +HUB 1.375x24 plus Ti War Eagle taper mount included
  • +Full-auto rated, hard-use spec
  • +JK 'No BS' unconditional lifetime warranty
  • +Garand Thumb world-record suppressor stunt put the brand on the radar

Cons

  • K-can length (5.35 inches) limits maximum suppression vs full-size cans
  • 14.5 oz core and 18.9 oz as tested with mount system
  • JK Armament is a newer suppressor entrant
  • Taper mount lockup repeatability depends on consistent torque
  • Boutique distribution narrows dealer access
  • The 6mm-compatible bore trades a little maximum 5.56 efficiency for versatility

Detailed Specifications

Length
5.4 inches without mount; 6.22 inches with included mount system
diameter
1.72 inches
weight
14.5 oz core; 18.9 oz as tested with mount system
Material
3D-printed Haynes 282 baffle core with stainless chamber/end cap/muzzle device and titanium coupler
Mount Type
HUB 1.375x24 with Ti War Eagle taper mount included
minimumBarrelLength
None published
ratedCalibers
5.56 NATO / .223 REM / 6mm ARC and similar .243 cartridges
soundReduction
PEW Suppression Rating 40.4 (MK18)
fullAutoRated
Yes
warranty
JK 'No BS' unconditional lifetime

Compatible Platforms

+160 more

Pairs Well With

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