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cummerbund guides
The UGS™ for the HK417 follows the same internal design as the standard UGS™ for M4/M16 series rifles but features a wider regulator body to interface with the larger diameter of the HK417 and G28 receiver extension
Output pressure: 800 PSI
Compatibility: Tokyo Marui and Other Compatible 1911 / High-Capa series Airsoft Pistols
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HK Replacement Fill Nipple 3000/4500 PSI GEAR cummerbund guidesBlack fill nipple which is used for both the 3000psi and 4500psi air tanks. Warning! Always make sure to turn off the air calve before releasing the quick disconnect. Warning! Make sure tank is completely emptied from air before installing Details: Screws onto 3000psi or 4500psi air tank regulator Single Fill Nipple Color Black