ATECH 20" Mag Extension Kit, Parkarized

The Model 870 Magazine Extension kit will add more rounds to your shotgun's capacity, and extends magazine chamber. The 18 in Extension adds 2 extra shots, the 20 in adds 3 extra shots and is available in Parkerized finish. The package includes tube assembly, swivel assembly with screw, magazine extension spring and coupling.

Specifications:

- Type: Magazine Extension
- Finish: Parkerized
- Size: 12 GA