Weaver #306 Top Mount Base for Ruger Mark I & II

Ruger Mark IV 22/45 22 Long Rifle Pistol 4.4" Threaded Barrel 10+1 Round Black

Smith & Wesson M&P 22X 22 Long Rifle Pistol 4.1" Threaded Barrel 20+1 Round Black

Sig Sauer P322 22LR Pistol 4" Threaded Barrel 20+1 Round Black

Kel-Tec P17 22LR Pistol 3.93" Threaded Barrel 16+1 Round Black

Walther P22 Q .22 LR 3.42 Barrel 10-Rounds Manual Safety

Heritage Manufacturing Inc. Rough Rider 22 Long Rifle Revolver 4.75" Blued Barrel 6 Round Cocobolo Grip

Sig Sauer P322 .22 LR 4 Barrel 10-Rounds CA Compliant