WB - Adjustable 5 Position Gas Block for HK MR308

Drastically reduces wear and gas blow back when using a suppressor on the HK MR308. Fast and simple installation. No gunsmithing required.

Fit all MR308/MR762/G28-Z

Position N: Normal use without suppressor
Position SD: Suppressor mode
Position 1: When over gassed in Position SD
Position 2: When over gassed in Position 1
Position N+: For use with low pressure ammunition or when undergassed in Position N

Adjustable without tools from the front, when used with short Quad-Rail or Slimline Handguard.

Material: Steel
Surface: Nitrided
Weight: 180 g
Manufacturer: Waffen Burk (Germany)

Including: 2 new roll pins and user manual/installation guide

Advice: Use the original HK roll pins. The new roll pins shopuld only be used, if the original pins do not provide enough tension.