M1 Garand Winchester Rear Sight Base WRA WWIIWWII Winchester produced Rear Sight Base for the M1 Garand. All have the characteristic rounded cut behind pinion hole and most all look to have punch mark. Punch marks vary and some may not have one at all as not all were marked. Some punch marks are light, some on right vs normal left side and there may be some with very hard to see punch marks. The bulk of ones on hand have the punch. Several available so not all pictured. Select quantity desired when adding to cart. Click on picture for larger view of sample from parts available.