CowCow AAP01 Ultra Lightweight Blowback Unit (Black) Category_Tensioner NS2 / System 7 means

NS2 / System 7 means more powerful

Design for Replace the original Pin Set with stainless steel ones that will be much more durable

but may be difficult to use with other brands of pouches or holsters

making the upgrade easier and more affordable for shooters already using our Race Master Holsters

CowCow AAP01 Ultra Lightweight Blowback Unit (Black) Category_Tensioner NS2 / System 7 meansFor Action Army AAP01 7075 Aluminum material with CNC machined Ultra lightweight design Durable construction prevents flexing and warping under hard use Provide stable and smooth blowback cyclingAvailable in Silver, Black, Gold, Red & Rainbow Item Code : CCT AAP01 015