Reviews & Ratings for FAB Defense AR15/M4 Collapsible Buttstock for Mossberg 500 w/ Shock Absorber Option — 11 reviews — Page 1

Fits the 590S with 18.5" barrel perfect, no instructions to put on, but it's not hard to install, you can figure it out.

Well made. Made in Israel which I like. Haven’t shot with it yet, seems to be great in the unfolded position. Just doesn’t lock to the folded position while it’s installed. It should lock, because it does before I installed it. Minor problem really, it will mostly be unfolded.

Very easy to install. Feels sturdy and does not rattle.

This came with the needed hardware and it is solid as they come! I was nervous it was going to feel cheap, but it feels as solid as a factory stock. I would most definitely recommend.

I got the folding, shock absorber version. I really wanted this to be my new 590A1 stock. It is VERY well made. The folding system is robust, and clicks firmly into the folded and unfolded positions. The shock absorber is firm enough to properly shoulder and sight in without being "bouncy", and offers enough spring to genuinely soften recoil. The graduated length positions click and hold firmly into place.

The major design flaw is that in the folded position, the stock blocks the QD swivel socket on the left side of the stock. Thats the position I would click a QD sling swivel into for my preferred sling set-up. This makes it so I would not be able to fold the stock if I desired a shorter length on the fly. Also worth mentioning... none of the QD sling swivel sockets have detents, allowing the QD swivel connectors to spin freely which could lead to twisted slings.

Take a good look at the other Fab Defense shotty stocks to see if there's one that suits you. Truly world-class fabrication.

I'm sad this one didn't work out. I am considering the non-folding version w/ the shock absorber, because these stocks are so well made.

Great product! Easy install with no problems.
Fits correctly on my 1980 500ATP. Great way to upgrade the old gun.

Fits great. No issues. This is the second fab defense stock and forend combo for me.

Well made, durable, folding and shock adsorbing. What else could you want!

Besides there being no instructions it feels really good in the hands once it is installed. Installed it onto a 590a1. Here are some simplified instructions to save future people a little time since there are no videos out there on it. Open the pistol grip itself, take out the bolt needed to put the grip on the gun. Fold the stock to allow access to bolt holding grip and stock together. Take out the bolt and take off the stock, leaving just the grip. There should have been a cap with 2 prongs that came with the order, use it to remove the metal cap that is used to connect the grip to the rest of the stock (there will be 4 or 6 indents in it). Once the metal cap is out you can use the bolt that came in the grip and install the grip onto the gun itself. Put the metal cap with the indents back onto the pistol grip, put the stock on top of the pistol grip and then screw in bolt that holds together the pistol grip and the stock. Done.