Carlson's Mossberg 12ga 590 / 930 - 10-Shot Magazine Extension

Description

Add firepower to your favorite shotgun. These magazine extensions are constructed of blued solid steel and come with spring, base clamp and high visibility follower. The threaded tube replaces you magazine cap and gives you the ability to add extra rounds to you magazine. Easy to follow instructions are included. The magazine extension tube is great for home protection, competition shooting, and law enforcement.
Fits: Mossberg 590/835/930/935
**Magazine round count is for the total capacity using 2 3/4-inch shells including 1 in the chamber, When using 3" shells you lose 1 shell capacity. When using 3 1/2" shells you lose 2 shell capacity.**
Specifications:
Model - 04516
Capacity - 10
Length - 14.13"