Extends the magazine capacity of your Remington 870 by three shells, includes spring and follower, only mounted for a short while. This is the polymer one made by ATI. Also, I've got the little barrel/magazine clamp dealie with the sling swivel mount too. I'll have pics up tomorrow.
$25 for the mag extension
$5 for the clamp
$25 for the mag extension
$5 for the clamp