Off the top of my head - a modern-ish Webley?
Or a full size Gamo, Magnum?
http://www.airgunspares.com/store/pr...m-Piston-Seal/
Off the top of my head - a modern-ish Webley?
Or a full size Gamo, Magnum?
http://www.airgunspares.com/store/pr...m-Piston-Seal/