YANKEE HILL MACHIINE SIG MOSQUITO THREAD ADAPTER 1/2 X 28 YHM-9798-A
The Yankee Hill Machine Sig Mosquito Thread Adapter converts to standard 1/2 inch x 28 and allows the use of various accessories. A thread protector is included with each adapter. The Sig Mosquito Thread Adapter is made of stainless steel construction with matte black finish and weighs 0.8 ounces. for a .22 rifle or pistol.