CZ Bren 2 Optimized Gas Regulator Assembly, 5.56, 14 Inch NEW NEVER USED
1 | Low: Ideal for shooting suppressed, or with extremely high pressure ammunition.
2 | Med: Standard operating position, optimized for consistent ejection with commercially available ammunition.
3 | High: When you need more gas to operate the action. Possible High setting scenarios include running steel cased ammunition in 5.56 models, running lower pressure ammunition such as subsonic in 7.62×39 models, or cycling extremely dirty actions in any model.