Designed to prevent empty cases from jamming between the bolt and charging handle with CMMG .22lr bolt conversion kits. This lightweight, robust and simple insert fills the space to prevent that jam from happening and is a must-have reliability upgrade. A fully drop-in fitment that takes seconds to fit and will stop the dreaded death jam.
Note: Charging handle not included. Not compatible with Spikes Tactical charging handle.
Lifetime Warranty as standard.