How to Modify a Mossberg Flex Adjustable Stock

How to Modify a Mossberg Flex Adjustable Stock

In this video I will walk you through the steps of upgrading/modifying a the Mossberg Flex 6 Position Adjustable Stock to use aftermarket parts.

Here’s the parts list:

Mossberg Flex 6 Position Adjustable Stock – http://www.midwayusa.com/product/142884/mossberg-flex-stock-model-500-590-flex-series-tactical-6-position-adjustable-synthetic-black

Magpul MOE Stock – http://www.midwayusa.com/product/2319180434/magpul-stock-moe-collapsible-ar-15-carbine-synthetic

Magpul 0.70 Recoil Pad – http://www.midwayusa.com/product/2319338834/magpul-ctr-ubr-acs-moe-str-acs-l-recoil-pad-rubber-black

Magpul MOE SL Pistol Grip – http://www.midwayusa.com/product/2319172620/magpul-pistol-grip-moe-sl-ar-15

Dremel 9933 Tungsten Carbide Cutter – http://www.amazon.com/Dremel-9933-Structured-Tungsten-Carbide/dp/B00004UDJX

16 Comments

  1. Jay Holtslander on October 24, 2022 at 9:03 pm

    Would you be willing to sell that adaptor and tube minus the magpul?



  2. Málek Péter on October 24, 2022 at 9:10 pm

    If you have this stock, I have a deal for you!



  3. GMans Garage Jams on October 24, 2022 at 9:12 pm

    Why not just sand down the walls on the stock smooth to fit the grip? It doesn’t look like it would affect the hole for the scree to sit in.



  4. Florent Gjonbalaj on October 24, 2022 at 9:21 pm

    What is everyone’s fixation with a dremel? dude, just grab a dewalt drill with the right size drill bit. god damn it



  5. Tactical PewPew on October 24, 2022 at 9:21 pm

    In this video I will walk you through the steps of upgrading/modifying a the Mossberg Flex 6 Position Adjustable Stock to use aftermarket parts.



  6. Sasenarine Ramlakhan on October 24, 2022 at 9:24 pm

    Great video I can’t wait to modify my 500 flex.



  7. Arizona Self Reliance on October 24, 2022 at 9:24 pm

    Great video, thank you. I am now convinced the Flex is the way to go.



  8. Dynamo55b on October 24, 2022 at 9:27 pm

    @2:33 ROFL…..Can’t take this seriously



  9. Don Carnage on October 24, 2022 at 9:30 pm

    Outstanding video! Very helpful



  10. Unknown on October 24, 2022 at 9:32 pm

    just pull on the position lever and it will pry the release more so you can slip it all the way off, don’t need a tool.



  11. michael miano on October 24, 2022 at 9:53 pm

    now for it to fit your buffer tube, did you get mil spec or commercial??? hope to hear soon



  12. Marcel on October 24, 2022 at 9:54 pm

    Would it be possible to use an A2 stock with the Flex? Or will it not fit the buffer tube?



  13. M. OD. on October 24, 2022 at 9:57 pm

    Why not take a drill bit and put it in the hole till u find the exact right size diameter and then use a piece of tape and mark the depth and then put the ar grip in a vice and use drill press and one and done and clean..



  14. crabjay on October 24, 2022 at 9:57 pm

    will this work with 590a1? does this require any additional part/adapter?



  15. Jett Blast on October 24, 2022 at 9:58 pm

    Thanks for the information, i am planning on putting a Houge pistol grip on my Mossberg 5.56 MVP Flex Rifle, and a Hogue 15050 Black .223 Remington OverMolded Collapsible Buttstock.



  16. CHARVESTER on October 24, 2022 at 9:58 pm

    None of your links work.