Adjustable 5-Position Gas Block for HK MR223
Optimize your HK MR223 for suppressed and unsuppressed use with this precision adjustable 10-position gas block from MarekGunworks (Czech Republic). Designed to significantly reduce gas blowback, recoil, and component wear, it ensures smoother operation and improved reliability across a wide range of ammunition types.
The ten selectable gas settings allow quick adaptation from very little to XXX% gas.
Adjustment can be made tool-free from the front when used with compatible short Quad-Rail or Slimline handguards. Installation is fast and simple with no gunsmithing required.
Manufactured from nitrided steel for exceptional durability and heat resistance.
Key Features:
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Designed specifically for HK MR223
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Ideal for suppressor use
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Tool-free front adjustment
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Durable nitrided steel construction
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Fast, drop-in installation
Weight: 150 g
Includes: Gas block, 2 roll pins, user manual (German)
Installation note: Reuse original HK roll pins whenever possible for optimal fit.
CNC machined in Czech Republic.


