Thought I'd start this thread as I've never seen one before for this specific setup. I am going to build a 590A1 14" retrograde with a parkerized 590A1 heavywalled heatshield, mossberg factory GRS installed, a mesa side saddle, most likely sniper grey cerakote finish TBD and to finish it off a vang comp barrel job. Thought I'd give people a detailed step by step incase they wanted to do it themselves.
April 5th- acquired wood furniture
To start this retrograde build i'll need the furniture, sure I could get any generic mossberg furniture and stain it but why not get the authentic mossberg retrograde walnut furniture...
The first issue to address is the foregeip. I will have to modify the factory 7-3/4" foregrip to fit the 6-3/4 tube assembly. The only other model that currently uses the 6-3/4 other than the shockwave lineup and the 14" 590a1 lineup is the mossberg 500 field. This is not a retro looking foregrip I just thought I'd make it known incase anybody preferred that style forend for there own build. Photo below

April 11th... got the mesa 6 shell side saddle PN 90390. I wanted to run a aridus detachable setup but there sold out everywhere in canada so this is the second best I could find

April 15th ... ordered a class 3 590A1 14" PN 51689 with factory ghost rings...should arrive in a week ( so I was told )

April 16th ... ordered meprolight PN ML38501 this is the tritium model. I like this better than the factory orange front post as this has a dot rather than a line and I can run a Aridus CROM with either a holosun 407/507 or a trijicon RMR in the future and allow for a very nice Co-witness
https://us.meprolight.com/product/self-illuminated-night-sights-ml-38501/

April 17th... got a magpul MS1 coyote sling paired with uncle Mike HD 1-1/4 sling swivels and a S&J gen 3 delrin no jam follower and a S&J 48" high tension spring that ill need to cut down.

April 19th... ordered limbsaver classic recoil pad 10102 or you can get the airtech 10806( this will fit the retrograde wood furniture the closest in width and only require minor modifications to the length) Limbsaver doesn't really make a wood recoil pad for mossberg specifically other than 10601 field/ deer model but thats way to big for this stock. Limbsaver however makes plenty for the mossberg synthetic stocks, sga stocks and a whole bunch of remington wood stocks so I found the one that sized up the best to mine and that was the 10102

April 20th... ordered a 590A1 parkerized heat shield PN 16335P
This obviously won't go on with the grs there so I will have to modify it so a cutout is made where the GRS sit and the shield essentially wraps itself around the sights.
Now the worst part....waiting for the gun to come in so we can proceed. I need the synthetic foregrip the gun comes with to use as reference for my retrograde wood foregrip otherwise I'd be doing that in the meantime.. I'll keep this updated whenever I get another component added on and a detailed step by step on how to modify a non 6-3/4 wood foregrip to fit properly.
April 5th- acquired wood furniture
To start this retrograde build i'll need the furniture, sure I could get any generic mossberg furniture and stain it but why not get the authentic mossberg retrograde walnut furniture...

The first issue to address is the foregeip. I will have to modify the factory 7-3/4" foregrip to fit the 6-3/4 tube assembly. The only other model that currently uses the 6-3/4 other than the shockwave lineup and the 14" 590a1 lineup is the mossberg 500 field. This is not a retro looking foregrip I just thought I'd make it known incase anybody preferred that style forend for there own build. Photo below

April 11th... got the mesa 6 shell side saddle PN 90390. I wanted to run a aridus detachable setup but there sold out everywhere in canada so this is the second best I could find

April 15th ... ordered a class 3 590A1 14" PN 51689 with factory ghost rings...should arrive in a week ( so I was told )

April 16th ... ordered meprolight PN ML38501 this is the tritium model. I like this better than the factory orange front post as this has a dot rather than a line and I can run a Aridus CROM with either a holosun 407/507 or a trijicon RMR in the future and allow for a very nice Co-witness
https://us.meprolight.com/product/self-illuminated-night-sights-ml-38501/

April 17th... got a magpul MS1 coyote sling paired with uncle Mike HD 1-1/4 sling swivels and a S&J gen 3 delrin no jam follower and a S&J 48" high tension spring that ill need to cut down.


April 19th... ordered limbsaver classic recoil pad 10102 or you can get the airtech 10806( this will fit the retrograde wood furniture the closest in width and only require minor modifications to the length) Limbsaver doesn't really make a wood recoil pad for mossberg specifically other than 10601 field/ deer model but thats way to big for this stock. Limbsaver however makes plenty for the mossberg synthetic stocks, sga stocks and a whole bunch of remington wood stocks so I found the one that sized up the best to mine and that was the 10102

April 20th... ordered a 590A1 parkerized heat shield PN 16335P
This obviously won't go on with the grs there so I will have to modify it so a cutout is made where the GRS sit and the shield essentially wraps itself around the sights.
Now the worst part....waiting for the gun to come in so we can proceed. I need the synthetic foregrip the gun comes with to use as reference for my retrograde wood foregrip otherwise I'd be doing that in the meantime.. I'll keep this updated whenever I get another component added on and a detailed step by step on how to modify a non 6-3/4 wood foregrip to fit properly.

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