Carlsons 04521 Magazine Extension 12 Gauge Remington 870, 1100, 11-87, Versa Max, V3 12-Rd Blued Steel

The Carlsons 04521 Magazine Extension is a blued solid steel tube that adds firepower to your favorite Remington shotgun. Built for 12 Gauge models including the Remington 870, 1100, 11-87, Versa Max, and V3, this drop-in extension brings total magazine capacity up to 12 rounds.

The threaded tube simply replaces the factory magazine cap and threads onto the existing magazine tube, adding round capacity without modifying the receiver or action. Carlsons machines these extensions from solid steel and finishes them in a traditional blued finish to match the look of your Remington shotgun. Proudly made in the USA and backed by Carlsons' lifetime warranty.

Each 04521 magazine extension ships complete with everything needed for installation:

• Replacement magazine spring
• Base clamp with sling swivel stud
• High-visibility follower

Whether you are chasing waterfowl, running a 3-Gun stage, or simply want more rounds on tap at the range, the Carlsons 04521 is a straightforward, no-gunsmith upgrade for your Remington 12 Gauge.