Features stretch neoprene pad for comfort. Tacky, "sharkskin" back keeps the sling from slipping off the shoulder. Rugged stretch binding adds durability and controls the stretch to reduce sling bounce when walking. 8079: Features Allen quick detachable swivel with locking system and magazine tube cap with swivel stud included. Add a sling to your shotgun without drilling a swivel stud into the buttstock. Remington or 12 gauge only.