These are the parts that your rifle should have come with...  All 4 of the most popular 10/22 accessories are now in one money saving combo - You get

(1) Jumbo Cocking Handle,
(2) Bolt Recoil Buffer,
(3) Auto Bolt Release
(4) Extended Magazine Release.

Easy to follow instructions for installation are included.   If you're a serious 10/22 shooter, you'll eventually wind up with one of each them.  Order this four piece money saving combo and upgrade everything at one time!