SpudFiles

Hey guys, this is the first semi-auto I've ever worked on, I just need some advice for attaching the barrel and making a reload system if you guys don't mind giving me some pointers. The barrel is a 6.3 mm brakeline and I will be shooting .177 cal steel bbs. http://imgur.com/vyIizAz

for reloading systems you can take a look at these topics and get some ideas
1: http://www.spudfiles.com/pneumatic-cann ... 25101.html
2: http://www.spudfiles.com/pneumatic-cann ... 25393.html

it could be a simple tube or hopper feeding in a tee:

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You can either feed by gravity or by spring, and would need some sort of detent to stop the BBs rolling out when at rest.