Quite a few M1 Carbines were issued with a simple L-variety rear peep sight, which could alternate concerning two unique peephole heights for a hundred and fifty- and 300-property ranges. The sight was fastened in a dovetail atop the receiver and never adjustable. You may e-mail the website proprietor to https://beckettungrb.blogacep.com/38495845/how-much-you-need-to-expect-you-ll-pay-for-a-good-308-win-rifle