M1 Garand Winchester Milled Bullet Guide B-8875 Coded Narrow Slot w/ Punch WRA Early useWinchester Early Milled Bullet Guide marked B-8875 with Narrow Slot and "punch" mark. These are appropriate for earliest WRA production rifles and are only differentiated from SA version by the punch mark. A VERY hard to find part. One pictured available. Click on image for larger view of actual part available.