First ever gun build

Discussion in 'Gun Building, Modifications & Repairs' started by Ninja28, Aug 26, 2012.

  1. Ninja28

    Ninja28 New Member

    I am wanting to build my AGM m4 stubbykiller into a 614, I already found a rail system and I want upgraded high speed internals with a low fps spring but I don't know much about internals so I was hoping somebody could recommend me some good ones. My budget is $200