S size. Positive you will need some force, but this is due to the fact that the short adjust buckle is held set up by friction. This might be the weak point to another person but I have found this to be of no difficulties for me, the sling has https://barska-compact-biometric27115.mybloglicious.com/54887059/srenmlight-tlr-6-and-tlr-i-hl-no-further-a-mystery