HK Army Performance Series 4500psi Tank Regulator Bipods the Spire IV automatically transitions

the Spire IV automatically transitions to the new proactive feeding mode

The Zeros are less constricting

Two magazines included

this new version has a built-in GATE ASTER MOSFET unit

while still providing comfort and function for the recreational player

HK Army Performance Series 4500psi Tank Regulator Bipods the Spire IV automatically transitionsEngineered with a constant output air flow, this regulator effortlessly screws onto compressed air bottles, ensuring seamless performance on the field. Constructed from durable aircraft grade aluminum, it features knurled machined detailing on the bonnet for enhanced grip and aesthetics. Its functional grip accent band on the bonnet indicates whether it operates at high or low pressure, providing clear visibility during gameplay. With a maximum fill