This is a GG&G, Inc. Sling Attachment known as the Heavy Duty, model GGG-1996.
The Remington TAC-14 12ga shotgun is an exciting and popular addition to the Remington shotgun lineup. It is short" compact and reliable. Shotgunners today like the tactical flexibility that a quick detach sling provides. GG&G has developed a solution for those shooters with the Remington TAC-14" The Remington TAC-14 Quick Detach Rear Sling Attachment. This QD rear sling attachment provides an excellent single point sling set up. IMPORTANT: Unlike other similar products on the market" the GG&G Remington TAC-14 does not incorporate an attachment nut on the side opposite the sling swivel. GG&G uses a smooth button head cap screw as shown in the image above.
Features:
Compact and easy to install
Complete installation instructions included
The 870 TAC-14 protrudes just .53 of an inch from face of receiver