Banish(silencer Central) 100000310670 Thread Adapter 1/2x28 5/8x24
These custom adapters are made on CNC equipment and designed to ensure the highest level of tolerance to eliminate alignment issues.Thread adapters bringing 1/2 X 28 tpi rifles up to 5/8 X 24 thread pitch. It has stainless steel construction with sturdy wrench flats in 1040 SS that is blued to hold lubricant better.