Maxx Hop Up Unit M4P Pro

The integrated latching system prevents BBs from falling out of the hop-up chamber when you remove your magazine. This eliminates the common issue of losing rounds or having a 'dry fire' shot immediately after a reload.

Yes, the M4P Pro is designed to be versatile and works seamlessly with R-hop, Flat-Hop, and standard hop-up configurations, making it a great choice for custom builds.

This unit is designed for standard M4/M16 platforms and is specifically optimized for HPA PolarStar engines. Given the precision-machined tolerances, it provides a very tight fit, so ensure your receiver is compatible with standard Tokyo Marui-spec hop-up units.

The Delrin Locking C-Clip is designed to hold your inner barrel securely in place, eliminating any wobble or movement. By keeping the barrel perfectly centered and stable, you achieve a more consistent air seal and improved shot-to-shot accuracy.

Yes, the precision rotary dial allows for very granular adjustments. It is designed to hold your setting firmly in place, preventing the hop-up from drifting during intense gameplay.