http://www.youtube.com/watch?v=fxBBn88PfJg
http://www.youtube.com/watch?v=98Vff1np7jk
http://www.youtube.com/watch?v=kzSKtYJpehA
I want to build one GBB base on this.......! Tomorrow ARs' battle rifles.
Gas piston push rods system, .223 & 5.56 selective piston
Rust resistance (light weight) one piece bolt carrier - bolt.
Poormans P416.
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本帖最後由 rho837 於 30-12-2009 12:54 編輯 ]