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Converting your M4 carbine collapsible stock to fixed, opinions on these methods?

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  • loademup
    Member
    • Feb 2016
    • 433

    Converting your M4 carbine collapsible stock to fixed, opinions on these methods?

    For those of you going featureless and converting your original standard M4 carbine collapsible stock (like on the Colt M4 6920) to a "fixed" stock configuration, some options below I have found others doing that I am considering in my own featureless conversion:

    1. Pinning the existing collapsible stock in place with roll pins (numerous youtube videos of people doing it).

    2. Bolting your collapsible stock in place (two commerical options I have seen given below):

    a). stock lok (price $35):



    b). aimsports M4 Stock lock pin (price $8.09):

    Discover custom firearm accessories for ARs, shotguns, and pistols from Aim Sports Inc. Shop high-quality scopes, mounts, and more. Enhance your shooting experience today!


    *Note here, stock lok is expensive, and if I used a commercial bolt down solution to fix the collapsible stock, I would probably try the aimsports M4 Stock lock pin.

    I am not sure about the bolt down approaches as opposed to using roll pins. Although roll pins can be drilled out, they certainly seem a more "fixed" approach. If the bolt down approach is used to fix the stock,the bolts can simply be unscrewed (unless you mess up the bolt heads so that they cannot be turned) and the stock collapsed or expanded to a new position before re-fixing. That in my own mind still makes the stock collapsible. One is just collapsing or expanding the stock to a different position by manual re-installation instead of using a lock lever for on-the-fly adjustment. My own opinion is, that in a true fixed stock, there is no allowance for stock length adjustment either on the fly or by manual re-install. Am I splitting hairs over the definition of "fixed"?

    I guess people will just use whatever method to fix their M4 carbine collapsible stock that gives them peace of mind (and for many, also a solution that is of reasonable cost), or go to a one piece stock. However, this has been a big debate for me in my own featureless conversion. The bolt on approach is appealing to me and many others because there are no intrusive modifcations necessary to the rifle (like drilling holes), just removing parts ...which is nice if you someday move to a place where "evil features" are not banned and want to easily re-install the rifle back to original functionality.

    If you have your own thoughts on which you think is the better of the two approaches above and why, I'd like to hear from you. Mind that for my own featureless conversion, I want to keep the original M4 carbine stock, so going to an after market one piece stock is not an option for me.
  • #2
    Cadre
    Veteran Member
    • Jul 2012
    • 3310

    Discover custom firearm accessories for ARs, shotguns, and pistols from Aim Sports Inc. Shop high-quality scopes, mounts, and more. Enhance your shooting experience today!


    gets my vote
    Originally posted by Kwikvette
    OPeR4t3Rz w3aR dem h4tz br4h!
    Originally posted by ddindetroit
    I think you mean ProStaff on your ad and not Prostate- the male secretary organ that causes urinary obstruction in old age and make chymotrypsin to lyse seminal clots.

    These are nice scopes - ProStaff that is; not the Prostate.

    DD

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    • #3
      SuperGrover
      Junior Member
      • Apr 2012
      • 88

      I would go with the stock lock pin. You can epoxy the hole if you want it to be more "fixed". However, how is having to unscrew to adjust different than say a precision shooting stock where you can adjust the length of pull by changing the butt pads?

      Comment

      • #4
        kcheung2
        Veteran Member
        • Aug 2012
        • 4387

        I've pinned a stock, I've used the Aimsports block pin, and I've bought a Magpul fixed carbine stock. They all work. There's no legal wording for the stock to be "fixed" or permanent, only that it not be collapsible.

        As an exaple, the Magpul fixed stock is considered fixed. It's even in the name. No adjustment lever. But it's just held in place by a single flat head screw. One screwdriver + 15 seconds and the stock moves. If your criteria is ease of undoing, then even the otherwise least-controversial of options will probably fail your test.

        Actually, I'm hoping that some mfg will make buffer tubes with horizontal cross slots drilled in the keel so that the Magpul fixed stock can be screwed in at varying longer lengths instead of the full forward length. (and any mfg that wants to take the idea, feel free to use it)
        ---------------------
        "There is no "best." If there was, everyone here would own that one, and no other." - DSB

        Comment

        • #5
          loademup
          Member
          • Feb 2016
          • 433

          Thanks guys for your opinions,perspectives and votes so far on the methods I identified for converting a collapsible stock to a fixed configuration. They have given me something to think about going forward outside of my own narrow opinion.

          Comment

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