Riflespeed Adjustable Gas Block - Standard - 4.3" - .625 - RS6243

The Riflespeed US0125 Gas Control Assembly is a .625" adjustable gas block with a 4.3" length, designed for extended handguard compatibility. It regulates gas flow using a tool-free rotary dial with numbered, tactile positions that allow precise and repeatable adjustment. The longer body length provides accessibility in mid-length configurations while maintaining stable performance in suppressed and unsuppressed systems. Manufactured from steel with a protective finish, it is built for consistent function and long service life.

Features:

• .625" adjustable gas block
• 4.3" overall length
• Tool-free rotary dial adjustment
• Numbered settings with tactile feedback
• Optimized for suppressed and unsuppressed operation
• Steel construction with protective coating
• Suitable for mid-length and extended setups