Whisper-quiet. Deadly as ever. CCI Suppressor is optimized for use in suppressed firearms. Its subsonic velocity further reduces noise, yet the hollow-point bullet expands reliably for excellent terminal performance. Clean-burning powders minimize blow-back and ease firearm cleaning. Features: Subsonic velocity further minimizes noise through suppressed firearms Hollow-point bullet consistently expands at low velocities Reliable function in suppressed semi-automatic firearms Clean-burning powders