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CDI metal on FN

cro789

Sergeant
Full Member
Minuteman
Supporter
  • Dec 20, 2008
    1,318
    332
    TN
    I looked but could not find if anyone had posted about this. Has anyone had an experience with the CDI metal on a FN SPR? I am looking at getting a SPR with a hinged floor plate and want a box magazine. Been looking at the CDI and PTG but haven't seen a lot about one on the FN. Thanks for the help.
     
    Unless FN changed something the front of the action needs a slight clearance cut to clear the AI / AICS magazine in the front.
    CDI can do it for you or its easy to do yourself if you are handy with tools. My rifle was a factory DBM model before switching to the CDI bottom metal.





    [video=youtube;jxHh-qnI30A]https://www.youtube.com/watch?v=jxHh-qnI30A[/video]
     
    I have CDI bottom metal installed on several FN platforms, one being a complete SAC build. They can inlet the stock and modify the action to fit their bottom metal as well give them a call Jeff and Pam are great people to work with. I believe they are currently running and inlet special for Hiders.
     
    Unless FN changed something the front of the action needs a slight clearance cut to clear the AI / AICS magazine in the front.
    CDI can do it for you or its easy to do yourself if you are handy with tools. My rifle was a factory DBM model before switching to the CDI bottom metal.





    [video=youtube;jxHh-qnI30A]https://www.youtube.com/watch?v=jxHh-qnI30A[/video]

    How much metal do they remove?
     
    It's minimal metal actually removed, it's more of adding a radius in the corner of the action to clear the square edge of the AICS magazine. Some people really freak out at the thought of adding a clearance cut but the end result is worth the effort.
    AI mags are pretty much the gold standard for fit & function and FN should just do the mod at the factory and do everyone a favor. FN has a crappy record of supplying magazines (to civvies anyway ) and the minute I could convert my SPR to the AI magazines I did so and never looked back.
     
    Does the magazine slop around a lot or have they fixed that?


    No slop on mine.
    The only complaint I have read about the CDI bottom metal is some users felt the mag release lever is too long and could snag. I have no complaints with mine and it's easier to make something shorter than longer if desired.