you can't. at least unless you've actually seen one i've never seen a gun that cheap made with metal. metal's a high quality thing in the airsoft world and there is NO decent gun for under 100 bucks. i know that UTG makes a PERFECT ak47. exact replic...
You mean you want to take a stock off an airsoft and put it on your 10/22? There's not much anyone here can say without knowing the exact particulars. Cut that part? Glue right here etc? You're going to have to look at your own intended stock and see...
Any airsoft gun will fire 6mm .30 or .35gram metal bb's, but only high powered ones will do so with any power or distance. Only guns rated at 400+ FPS will throw the metal rounds well. Guns made by ICS and Classic Army can be upgraded to 400-450 FPS,...