Barrel Window Milling Service


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Barrel window milling is a modification required for R-hops and ER-Hops because they require a square window. Many barrels on the market today are not compatible with the r-hop due to having an angled window design, such as PDI. In order to have good results with the rhop, it requires precision milling of the barrel window. You can purchase this service for the rhop window and the er-hop window, or the length desired.