M1 Garand 308 spacer block Fills the space in the front well of .308 Garands for better feeding and safety. Improved 2 leg design gives a better fit. Machined Aluminum for lighter weight and won't change the balance of the rifle. Prevents a clip loaded with 30-06 to be accidentally loaded in a .308 rifle. Made in the USA by Strobel. Ships in USA only, no export or APO/FPO