TexasCHLforum.com

I think their website is opsolmini-clip.com

amazon carries usually but seems to be out of stock

It's a shortened 590 a1. Youtube has a few good videos from Shot show this year. Shotgun does not need stamp!

Hey everyone, check out some videos of Mossberg 590a1 Shockwave at the SHOT show. You can find them on YouTube. Looks like Mossberg is using the Opsol mini clip too to fire Aguila mini shells. I will be getting one!

To answer some questions on the Opsol mini clip.

It fits snugly into receiver, using some of the unique geometry of the back of receiver to help hold it in place. The lifter is not affected. The clip is pretty well hidden, nothing sticking out of frame of gun, so no snagging, etc.

[quote="Pawpaw"]I've never had that problem, but I have not put many rounds through my 500. Going by the video on the site, it clips into the groves inside the receiver. Looking at the picture of the device, it appears to have slots that would allow the lifter to rise and fall freely.[/ It...