Compression spring to be used ONLY with Xcaliber Firearms Pistol Silencers.

This compression spring can be purchased as a replacement for either SeaFire Diamond or X-series suppressors.

The Xcaliber Firearms X-Series specializes in high-quality MULTI-RATED silencers that are loaded with features that you will love. The X9 is no exception and is compatible with ALL of our SeaFire accessories that allow you to get the most out of your suppressor. The X9 comes with an adjustable booster for POI shift.

The Xcaliber Firearms X-Series offers amazing silencers that are loaded with features that you will love. The X45 is no exception and is compatible with ALL of our SeaFire accessories that allow you to get the most out of your suppressor. The X45 comes with an adjustable booster for the POI shift and is full-auto rated.