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Thread: Samson Evolution Rail-First Impressions.

  1. #41
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    I saw this tube briefly last night.

    I added them to the chart here

    If someone can clarify the weight issue it would be helpful. Samson's site lists the weights as including bushing, but not barrel nut, so I've added 2.0 oz. as I do for any rails which retain the stock nut.

    My initial feeling is that I see zero reason to ditch a Troy TRX Extreme or VTAC Extreme for this rail/tube, but if you don't have the Troy yet it might be worth giving this one a look. Also worth noting that the next-gen Troy tubes attach to the stock barrel nut which may further reduce their weight and will obviously simplify installation for some folks.

    I am somewhat interested in what I assume are the "EX" series with the FSB cutout and the extensions (although if the extensions are held on with the rail sections like they appear to be, nevermind) for access to a Switchblock.

  2. #42
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    It uses the stock barrel nut.

    Quote Originally Posted by rob_s View Post
    I saw this tube briefly last night.

    I added them to the chart here

    If someone can clarify the weight issue it would be helpful. Samson's site lists the weights as including bushing, but not barrel nut, so I've added 2.0 oz. as I do for any rails which retain the stock nut.

    My initial feeling is that I see zero reason to ditch a Troy TRX Extreme or VTAC Extreme for this rail/tube, but if you don't have the Troy yet it might be worth giving this one a look. Also worth noting that the next-gen Troy tubes attach to the stock barrel nut which may further reduce their weight and will obviously simplify installation for some folks.

    I am somewhat interested in what I assume are the "EX" series with the FSB cutout and the extensions (although if the extensions are held on with the rail sections like they appear to be, nevermind) for access to a Switchblock.

  3. #43
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    Quote Originally Posted by rob_s View Post
    I am somewhat interested in what I assume are the "EX" series with the FSB cutout and the extensions (although if the extensions are held on with the rail sections like they appear to be, nevermind) for access to a Switchblock.
    I am also interested in a FSB cutout version and I am waiting on that. Samson has stated the the EX is for the gas piston, particularly to fit the Adams Arms set ups and that the EX needs to be enlarged slightly to fit a FSB. A FSB version is supposed to be in the works.

  4. #44
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    Quote Originally Posted by Cvolin85 View Post
    It uses the stock barrel nut.
    I understand that. My question is whether the weights posted on their site include the nut or not. I suspect not but was hoping someone with one of the rails could clarify.

  5. #45
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    Quote Originally Posted by Magsz View Post
    My rail has ZERO flex.

    In fact i had a muzzle device come loose a few weeks ago and i had to torque it back down with a knife blade and hand pressure. The rail didnt move a millimeter despite the fact that it was clamped between my legs and i was "herculesing" the crap out of it.

    Now, im running an 11 inch ral. There is a possibility that the longer rails do exhibit some flex but ALL longer rails do to some degree.
    Interesting. The one I installed and then removed for a customer had all kinds of flex/shift. Installed as tight as I could get it without ripping the heli-coils out of the rail if I applied pressure to the muzzle end of the rail I could push it half way to the barrel side to side laterally not up and down. It wouldn't flex back and would stay in that position. I think it needs to go back to the drawing board.
    Chief Armorer for Elite Shooting Sports in Manassas VA
    Chief Armorer for Corp Arms (FFL 07-08/SOT 02)

  6. #46
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    I kind of wish both this rail and the Troy/VTAC models were using a steel bolt/nut setup. Instead the Heli-Coils, or whatever threaded insert they're using, machine away hexagonal regions and drop in two nuts that would sit flush in the newly made slot.
    "I have your number. Consider yourself warned."

  7. #47
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    Quote Originally Posted by Robb Jensen View Post
    Interesting. The one I installed and then removed for a customer had all kinds of flex/shift. Installed as tight as I could get it without ripping the heli-coils out of the rail if I applied pressure to the muzzle end of the rail I could push it half way to the barrel side to side laterally not up and down. It wouldn't flex back and would stay in that position. I think it needs to go back to the drawing board.
    Robb,

    What length?

    Its a shame, like i said, i have a pre production sample. If they changed something from the point that i got my rail to the current production model i would be disappointed as i love the rigidity of my rail.

    Sample size of one sometimes sucks. :/

  8. #48
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    IMHO there's no such thing as no flex after a certain length.

    13.0 Troy on a 14.5" DD lightweight barrel.


  9. #49
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    My 13-inch VTAC has a similar amount of flex.
    "I have your number. Consider yourself warned."

  10. #50
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    Quote Originally Posted by rob_s View Post
    IMHO there's no such thing as no flex after a certain length.

    13.0 Troy on a 14.5" DD lightweight barrel.

    The barrel can always flex in the rail. Ideally the rail would NOT flex.

    Right?

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