The SilecerCo Salvo 12 is a modular shotgun suppressor. It is designed to operate with most pump action and semi automatic shotguns. At its full length of 12", the Salvo 12 brings sound down to an average of 136.8 dB at the muzzle with #7 shot. It's configurable to 6", 8", 10", and 12" lengths making it possible for you to optimize the weight and length of your Salvo 12 for sporting clay, waterfowl, turkey hunting, home defense, and many other applications.The Salvo 12 is a dedicated 12 gauge suppressor, and rated for use with with most commercially available ammunition. It is compatible with Echo Choke Mounts in different spread patterns, sold separately. Ships with a breech plug and Echo Spanner Wrench. FeaturesUser ServiceableCompatible with Non-Rifled SlugsModular Length CustomizationRedices Recoil136.8 dB Average Reading with 12 Gauge NotesVelocity restrictions: 16" + max velocity of 1550 FPS, 10" -16" 1350 FPS max.Do Not Shoot Steel Shot with Improved Modified or Full ChokesNo...