HK ARMY - Hostile Rotary Style Hop-Up Chamber for M4
Upgrade or restore your rifle's performance with the Hostile AEG Rotary Style Hop-Up Unit. Designed to factory specifications, this rotary-style hop-up chamber provides precise and consistent hop-up adjustment for improved BB accuracy and shot consistency. An ideal replacement for worn or damaged hop-up units, it delivers reliable fitment and dependable performance in compatible Hostile AEG rifles.
