Product DescriptionCarlsons Cremator Ported Choke Tube set delivers consistent, dense patterns for 20 gauge Beretta/Benelli Mobil-pattern shotguns. Featuring Triple Shot Technology (TST)three graduated rings that provide a gradual transition from bore to final constrictionthese extended, ported tubes reduce pellet deformation and flyers while tightening patterns. The 2-pack includes Mid Range and Long Range constrictions, both precision machined from heat-treated 174 stainless steel with a matte black finish for durability and quick, wrench-less installation. Made in the USA and compatible with todays premium steel shot loads without size or speed restrictions.Product HighlightsTriple Shot Technology (TST) for smoother transition and more consistent, dense patternsExtended, ported choke tubes help reduce recoil and muzzle rise; wrench-less installationTwo-pack includes Mid Range (.597") and Long Range (.587") constrictions for 20 gaugeHeat-treated 174 stainless steel construction with matte black finishNo size or speed restrictions with steel shot across all Cremator constrictions; made in the USASpecsProduct Type: Ported extended choke tube setGauge: 20 GaugeChoke System: Beretta/Benelli Mobil patternIncluded Constrictions: Mid Range and Long RangeMid Range Diameter: 0.597 inchLong Range Diameter: 0.587 inchMaterial: 174 stainless steel (heat treated)Finish: Matte blackCompatibility Examples: Benelli Nova, Ethos, Legacy, Montefeltro (pre-2007); Beretta 686 Silver Pigeon, 687 EELL Diamond Pigeon; Franchi Instinct & Affinity; Legacy Sports Escort; Stoeger M3020; TriStar Cobra, Raptor, Viper G2Country of Manufacture: USAUPC: 723189114916Manufacturer Part Number: 11491Brand Name: CarlsonsDisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the products manufacturer.