Choke Briley Optima Plus Extended para Beretta Constriction:Skeleton .005" It has a pressure of

It has a pressure of 680 bars and 395 m/s at speed tested at 2

and after this large release of energy

000 hours of continuous use on one battery (at intensity setting #7) -Available in 2 MOA (dot size) -2-ring configuration fits almost all 30mm ring mount systems -Fully waterproof

and for all seasons

Choke Briley Optima Plus Extended para Beretta Constriction:Skeleton .005" It has a pressure ofThe Brileys are chokes that combine highly sophisticated technology and high quality materials (above all, their special alloy of different steels stands out), and that substantially improves plumbing. If you are not happy with the plumbing of your shotgun, instead of changing it you can just purchase the Briley model for your type of shotgun and significantly increase its performance. Choke tapers from Barrel to Extra Full, in . 005 inch (. 127mm)