Hyperion thread adapters are 17-4 stainless steel construction, H900 heat treated and have been DLC and SLine coated. They come in 1/2 x 28 and 5/8 x 24 internal threads. The Hyperion thread adapter adds .8″ to the overall length. Hyperion Thread Adapters in 1/2×28 are only for use on 5.56 firearms.
-44%
CGS Hyperion Thread Adapter
$37.84 Save:$31.00(44%)
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