Have a SIG SAUER P322 22LR Mag and getting a sore thumb? Want to make it even easier to load? You'll love this gizmo save your aching thumb with this affordable simple and easy to use magazine loader for the SIG SAUER P322 22lr. Looking for something easy to operate? This is about as simple as it gets no moving parts. Slip it over the magazine slide down the follower load up. Easy to keep track of with the included carabiner.