HK Army PWR Hex Barrel Back - AC Threads - Dust Gold GEO R5 5" insert is precision broached

5" insert is precision broached and micro-honed for the utmost accuracy

This valve is designed to fit modern Autococker bodies with an 11/16" valve bore

Adjustment Tools

DLX Luxe 1

or as a stand-alone in non-helmet activities

HK Army PWR Hex Barrel Back - AC Threads - Dust Gold GEO R5 5" insert is precision broachedHK Army PWR Hex Barrel Back AC Threads *Listing is for back only and will not include an insert* The HK Army Hex PWR barrel back is built for consistency, durability, and clean performance. Machined from high grade aluminum, it features signature Hex windowing with subtle fractal detailing for a premium, modern look. The precision cut windows expose the Vector PWR insert inside, promoting smooth airflow and reliable shot consistency. Compatible with