Talk:Customization Items/@comment-24.208.83.240-20130728233804/@comment-4005921-20130729032443

The piston engines, barrels, and trigger parts were the customization items used in the Gun Emporium BETA. The offical Gun Emporium was released, and they decided to change the parts to just Customization Parts (the small red toolbox), which is obtained by the Roulette wheel at the end of a game.

There's a reason why this page says it's historical (at the top).