S size. Guaranteed you require some force, but this is due to the fact that the fast modify buckle is held set up by friction. This could possibly be the weak point to a person but I have found this to get of no difficulties for me, the sling has https://sentrysafedigitalalarmfir19391.jaiblogs.com/61658783/5-simple-statements-about-full-rail-1-7-twist-explained