Check the listing for details. PATTERNMASTER ANACONDA STRIKER TURKEY CHOKE TUBE 12GA BENELLI BERETTA MOBILE. Condition: New. Listed at 67.49 USD. Patternmaster Anaconda “STRIKER” (0.670”) has “Gas over Constriction Technology” within the patented “Coil Zone” made up of internal channels used to harness gas expelled from the ammunition. “Coil Zone” channels are spun in a negative twist to stabilize the wad for even, consistent patterns and keep the tube tight in the barrel. Anaconda “STRIKER” will throw an Extra Full pattern with distances out to 60 yards. This tube is safe and effective with non-toxic shot as well as lead. Note: Testing done by Ballistics Performance has determined that ammunition with velocity of 1550fps and below will achieve the best results with Patternmaster Tubes.Not for use with slug ammunition.NOT FOR USE WITH STEEL SHOTPatternmaster's 12ga Benelli/Beretta Mobile tubes will interchange with Benelli M1, M3, Sport (After 2006), Nova, Super Nova, and Super Black Eagle. Beretta USA's Silver Pigeon, White Onyx, Ultralight, and Diamond Pigeon. There are other shotguns that interchange as well like Stoeger 2000 Semi-Auto, P-350 Pump, and the M3500, Franchi current production shotguns, Legacy Escort, Huglu, CZ USA, Hatson, some Charles Daly Models, Mossberg Silver Reserve, Savage, Smith and Wesson current production, Traditions Semi-Auto, and Tri-Star Phantom Field and Silver Series, just to name a few. For more information about your shotgun interchange please see the firearm owner's manual or contact the firearm manufacturer.This listing is for one Patternmaster Anaconda Choke Tube.You can buy with confidence as we are an Authorized Patternmaster dealer. Feel free to contact us with any questions you may have.