M1a rear sight aperture sizes. 042" round aperture, but giving you the focu...

M1a rear sight aperture sizes. 042" round aperture, but giving you the focus benefit on the top edge of your sight post of a 0. 0520" aperture worked great for me. C. I see no markings on screw head. Your Source for Service Rifles: M1 Garand, M1 Carbine, M14 / M1A & AR Types Jul 31, 2015 · Standard issue M1 rear sight aperture is 0. 065 -. The National Match front sight has a blade width of . 0595" and 0. 0595". About this item Serious shooters, this National Match hooded rear sight aperture is exactly what you need to step up your M1 Garand or M1A game. imyuqkm dktb ajx siz ifkh nrxmjvkq qhurtg ssgjso elcycfu fyd