S length. Guaranteed you would like some force, but this is because of The truth that the fast regulate buckle is held in position by friction. This could possibly be the weak point to someone but I have discovered this to get of no issues for me, the sling has https://smith-wesson-m-p-15-22-ma63074.articlesblogger.com/57127044/everything-about-magpul-pmag-d-60-ar-m4