ATI (ADVANCED TECHNOLOGY INTERNATIONAL REMINGTON 870 12GA 7-SHOT ALUMINUM MAG EXTENSION, NEW, FITS 12GA REMINGTON 870 SHOTGUNS, HOLDS 2 3/4″ SHOTGUN SHELLS

• HOLDS AN ADDITIONAL (2) 2 3/4″ SHOTGUN SHELLS
• CONSTRUCTED OF MILITARY TYPE III ANODIZED, 6061 T6 ALUMINUM
• VIRTUALLY INDESTRUCTIBLE
• MINIMUM BARREL LENGTH OF 18.5″ FOR 7 SHOT EXTENSION
• INCLUDES MAGAZINE SPRING
• EASY INSTALLATION
• RATCHET BASE FOR TIGHT FIT
• BANDING AROUND BASE TO DISTINGUISH BETWEEN WINCHESTER (3 BANDS) AND REMINGTON (2 BANDS) MAG EXTENSIONS