Through this adapter housing, you can quickly convert the common 1.1875x24 ( 1-3/16x24 ) thread booster into a more common 1/2x28 thread
Not subject to various thread restrictions in the market, plug, and play.
Feature:Material: Stainless Steel
Weight: 3 oz
Dimensions: 2 x 2 x 2 in
Size:1/2 x 28 9mm Cal .22LR, 5.56mm