HK Army Turbine Stainless Steel Threaded Regulator Replacement Bonnet External Marker Upgrades If you have the stock

If you have the stock breech please purchase the standard bolt

and precise laser aiming devise

Preshrunk 50% polyester/25% cotton/25% rayon jersey

Customize your T15 with the 10″ Aluminum Keymod Hand Guard

Many drivers designed for slower arm speeds have poor flight integrity

HK Army Turbine Stainless Steel Threaded Regulator Replacement Bonnet External Marker Upgrades If you have the stockUpgrade your Turbine Pro Regulator with the Turbine Stainless Steel Threaded Cap, engineered for players who demand maximum strength and long term reliability. Precision machined from stainless steel, this replacement cap is designed to significantly increase the durability of the regulator threading while maintaining perfect alignment every time you air up. Installation is quick and simple, swap out your existing threaded cap in minutes with an allen