shell ejecting

Hello everyone, I was wondering if one of you very knowledgeable airsofters could point me in the right direction. I have been collecting shell ejecting airsoft guns for a while, I love them for the realism and the feel. But one style of gun has eluded me for years now and I think the only way I...

Have any of you had any experience with the APS APM50 airsoft gun it will soon be my first airsoft sniper rifle. I'm very curious on what you think of it. It looks reliable due to the fact c02 is stored in the shells so the FPS is stable and easily upgradable aswell. Couldn't figure a way to...