DURABLE MATERIAL - These tubes are made of high strength steel to withstand the stress of steel and non-toxic shot, and it's coated with a corrosion resistant black blued finish and have the ability to withstand the rigors of steel shot
FIT FOR - These choke tubes are designed for 12 gauge guns with the OptimaChoke HP system; Optima-Choke HP tubes are fully interchangeable on all Beretta barrels that are threaded for Optima-Choke HP
EASY-TO-USE - Optima-Choke HP Black Edition choke tubes extend from the muzzle by 0.78" (20mm) and screw in and out without specific tools
BLACK EDITION - The tubes fit better to the black design of Beretta guns, besides they make them more discreet
WARNING - Use of the Optima HP choke tube in an Optima gun (without the HP designation) can cause severe damage to the choke tube and barrel when the gun is fired