Here are the instructions on how to modify your BAR magazine to use 30-06 short blanks. Parts list: J&M Spec. Short Blank Magazine Spacer M14 / M1A magazine follower M14 / M1A magazine spring Step 1 – Remove the floorplate from your BAR magazine and extract the spring and follower. Step 2 – Gently bend … Continue reading Assembling the BAR Short Blank Magazine