В параметрах сверловки указана сверловка
Avg. Bore .735, Chrome lined
http://www.rizziniusa.com/competition/br110-sporter
FEATURES:
Matte Grey streamlined Steel frame & barrel
Turkish walnut stock - 26 LPI checkering
Extended forcing cones - XL bore 18.6
Extended chokes (set of 5)
Tapered rib (10mm to 7mm)
Rizzini Premier Sporting