Precision-engineered captured spring system for 9mm AR-platform rifles. Features tungsten and stainless steel construction designed to work with Maxim Defense CQB stock systems for reliable, quiet operation.
The Maxim Defense MXM-47572 represents a thoughtful engineering solution for shooters who demand reliability and precision in their 9mm AR-platform rifles.
This system requires an open channel in your bolt carrier group assembly to allow the guide rod to pass during firing. Verify your carrier group compatibility before installation.
A quality captured spring system reduces felt recoil and noise signature while maintaining the reliability you expect from a modern rifle. For shooters building or upgrading a 9mm AR platform, this component represents a meaningful step toward a refined shooting experience.
Whether you're building a dedicated 9mm carbine or upgrading an existing platform, this system delivers the precision engineering that discerning shooters demand.