This globe type front sight for the M1 Garand gives you a cleaner sight and target definition, plus greatly reduces eyestrain to help improve your shooting for higher match scores. Globe front sight with six apertures installs easily; no permanent alterations to your standard service rifle. Legal in NRA "Match Rifle" category only. Yes, they mount the same and an M1 stock sight and are easy to use. Simply replaces front sight blade with an aperature. Comes with inserts.
10mm Outside dia. of site is .625 X 25.4mm = 15.875 mm