No it's pre charged ,the cylinder underneath unscrews
And the trigger is just sublime
Daystate Airwolf MVT.22 40ft RUGER77/17hmr RUGER SR22
"DON'T EVER SHOOT A 17 HMR. What ever you thought you knew about 22 rim fires, and loved about them, will be lost forever. It's like dumping your wife for Miss America."