yeah, pretty much! What issues do they have? What I'm planning is purely 'tin can alley' - no scoring or anything like that. Targets will make a noise/ light up/ fall down. Thanks to Alex, I have a code which will run the gun but I'm going to add debounce, IR frequency details, sound and maybe some code to run a recoil solenoid. Although, this is all dependant on breadboarding the lot up first and checking it works.