Most BCGs on the market today do not meet Mil-Spec standards one way or another, but Qs not only exceeds the specifications, but the design and size of the Front end makes it easier to control the...
The LUTH-AR low profile gas block has a black manganese phosphate finish" 2 set screws and 1 roll pin. Made in the USA.Features :2 Set Screws1 Roll PinLow Profile