Convert your 15mm x 1 RH (H&K 91, 93, 33, G3, G53 - including Cetme and select PTR) barrel threads to 5/8"-24 RH with this premium stainless steel thread adapter from Infinite Product Solutions! Compatible with both rifle and pistol threads, this is the perfect solution for this particular thread conversion! Pick up your adapters today!
Inner Threads: 15mm x 1 RH
Outer Threads: 5/8"-24 RH
Thread Depth: 5/8"
Internal Hole Diameter: .375"
Material: Premium Stainless Steel
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