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
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Add the JK Armament PRO-KOR 556K to your build and see how it enhances your platform.