Potentially the weapon will not cycle reliably due to the lower pressures created by the SS ammo. Some members on here are able to run with little to no problems. Give it a try but just don't go out and by several thousand rounds of the stuff and if you start to have problems switch back to...
Alright, that sounds like a challenge to Belt_Fed, Phil, and Taciticool 22 to come up with ways to silence the bolt. We just need to have some plastic 22 casing rounds and that will fix the brass on concrete sounds:D
Thanks for posting. I've been debating this for some time now. I think I will start with my airsoft M4 and see how that goes. I don't really care if I screw that up. I am a little anxious to do it on my 15-22 though. Looks good on yours though. :D