Grovtec's lets you add a sling to your firearm with this stud and swivel set. Made to clamp onto the barrel in the front it allows you to carry your firearm over your shoulder leaving your hands free for other items.
Specifications and Features:
GrovTec Tube Two Piece Barrel Band Locking Swivel Set GTSW300
Barrels from 0.540" to 0.590"