let's see if this will let me post, i've been working on the creation of my own paintball gun, i'm completely designing and building my own with the dream it will eventually reach production and retail sales. i want to get into stock class and know the most about pump and stock markers so it's going to use a nelson design.(i made a comment about nelson's vs sheridan's in a that can fused a couple people now you know what i was referring to) if anyone's interested or has some input drop me a line.