S size. Positive you will need some force, but this is because of The reality that the quick regulate buckle is held in position by friction. This could be the weak point to an individual but I have found this being of no complications for me, the sling has not https://sergiohxkyl.digiblogbox.com/59318172/how-midwest-industries-akg2-ak-47-74-scope-mount-can-save-you-time-stress-and-money