The Tactical Compact Air Stock is an easy to use adjustable or collapsible, two inch diameter polymer stock that conceals most small 13 and 15ci paintball air tanks, including HPA systems that work with the Sig Sauer MPX rifle. The TCA replicates the ergonomics and performance of the latest military stocks,

Modern Combat Sports TCA stock fits almost all 5oz/7oz/13ci/17ci air tanks using a guide rail, if your existing system doesn't have a guide rail, then you'll need one or you'll have to find an ingenious way of keeping this in place! Please take a look at the guide rails that fit the TCA Buttstock. 

TCA Buttstock Features:

The Tactical Air in stock system has been designed with almost zero wobble which increases your chances of hitting your target and it adds protection for your paintball air tank.

• Nylon Fiber Reinforced Polymer Construction
• Designed for a tight and snug fit with zero wobble

Compatible With:

• 13ci HPA tanks
• 17ci HPA tanks