To disassemble a RG-42 caliber .25 pistol, first ensure the firearm is unloaded and the magazine is removed. Then, locate the takedown lever or pin, usually found at the rear or side of the frame, and rotate or remove it according to the manufacturer’s instructions. Carefully slide the slide assembly off the frame, and then remove the recoil spring and barrel from the slide. Always refer to the specific owner's manual for detailed instructions and safety precautions.
Best to let a gunsmith show you how.
If you don't have an owner's manual, find a gunsmith and ask for help
You need a gunsmith
You can get a manual for free at Ruger's website.
Best left to a gunsmith
how do you disassemble a model 49 ithaca 22 rifle
Best to ask a gunsmith for help
You need the services of a gunsmith
Best to find a gunsmith and ask for help
Best left to a gunsmith
If you don't have a manual, get help from a gunsmith
Best to ask a gunsmith for help if you don't have a manual