Enhance your shooting performance with the Beretta OptimaChoke HP 20GA Improved Cylinder Steel Choke. Expertly crafted from high-strength steel with a durable nickel alloy coating this choke offers exceptional corrosion resistance even under the intense conditions of competitive shooting. Designed for versatility it fits seamlessly into all Beretta barrels threaded for OptimaChoke HP including the SV10 Perennia and A400 Action models. With a constriction diameter of .535 this flush-style choke is engineered for 20-gauge firearms and is tailored for improved cylinder constriction ideal for shots beyond 50 yards. This reliable choke does not feature porting ensuring a clean consistent performance every time you pull the trigger.