Butler Creek Comfort Stretch Slings combine the soft and durable features of waterproof closed cell neoprene with Comfort Stretch backing. This patented design reduces felt weight and controls the bounce typically associated with other neoprene slings. All models feature Non-Slip Grippers to ensure they stay on your shoulder. Designed to attach to your rifle with Uncle Mike's QD 1" swivels (Sewn-In). Alaskan Magnum slings also feature 4 neoprene cartridge holders. Length adjusts from 20" to 46". 4 neoprene cartridge loops on outside of sling pad. Non-slip grippers cover back side of pad