Crosman 1377, 1322, P1377, P1322, 2289 Basic O-Ring Rebuild Kit Rebuild Kit will include all o-rings shown in the photo INCLUDING both .177 and .22 bolt o-ring. This will satisfy rebuilding 1377, 1322 AND 2289. One purchase covers one rebuild of ANY listed Crosman. Each purchase will include one bolt o-ring (of EACH caliber), one breech sleeve, one bushing and both valve o-rings. Kit WILL NOT fit the older rear cocking knob, sliding breech cover models. The VALVE O-RINGS will fit, but nothing else will. Deluxe kits available separately that include the springs, too.