Remington 870 Magazine Tube Extensions

7RD Remington Mag Extension - 12GA

Pictured Magazine Clamp and heatshield are not included.


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Add a SMC100 magazine clamp to reinforce your new magazine extension or a couple so you can also add a tactical flashlight.

SMR0700 MSRP $23.50

7 Rd Mag Extension

Increase capacity to 7 rounds. Made of virtually indestructible, matte black glass-filled nylon injection molded over a steel connecting nut. Will not rust or dent. New spring and instructions included. Minimum barrel length for 7 shot extension is 18-1/2".

 

 

The Ati Gun Stock magazine extensions are designed for Remington 870 12ga shotguns. - not 20 ga.

SMR0800 MSRP $23.50

8 Rd Mag Extension

Increase capacity to 8 rounds. Made of virtually indestructible, matte black glass-filled nylon injection molded over a steel connecting nut. Will not rust or dent. New spring and instructions included. Minimum barrel length for 8 shot extension is 20".