So the follower was worn down so it wouldnt push the slide lock upwards is that correct? If so you can if your up to it superglue some plastic to it to get it working again. Oh check out tiger111hk, as they have oem we parts for dirt cheap.
Babam. $2.50 for a follower? Eh not to bad.
http://airsoft.tiger111hk.com/Airsof...duct_info.html