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Thread: vltor a5 system or jp silent captured spring?

  1. #1
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    vltor a5 system or jp silent captured spring?

    sorry if this vs. was asked before but tried to search for a thread and found nothing except lots of info exclusive to each product. so here it goes, if you had the choice to install either the vltor a5 system or jp silent captured spring buffer, what you pick? my particular ar has horrible spring noise and vibration, sprinco spring with h1, so thats why im looking into the jp, but i have seen lots of praise for the vltor a5. yes, my carbine is functioning flawlessly and its not broke so it shouldnt need to be messed with. but i just hate hearing the spring when i weld my cheek, and read that jp and vltor work excellent to help that along with better PERCEIVED felt recoil. what do you guys recommend? i shoot alot, i take alot of classes and compete in 2-gun. a5 or jp ?

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    Spring noise is harmless, but if it matters to you it can be eliminated by simply lubricating the recoil spring.

    But to directly answer your question, A5. No brainer. You probably wont find anybody here that would pick a JP system over A5.

    What kind of tube do you have currently?

    EDIT to add: Forgot about the Geisselle Super 42, that would be a great option too.
    Last edited by BFS; 11-13-17 at 00:44.

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    I run a JP silent captured spring. Great product. Have a few thousand rounds since installation. Works like a champ.

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    A5 is wonderful.

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    I absolutely love the way the JP-SCS makes my rifles feel when cycling. It makes the action feel like it's on bearings. However, I seem to have trouble feeding the first round off the magazine if my rifle isn't well lubricated.

    They cycle completely fine, but since the first round was giving me a little bit of trouble, I just replaced my JP-SCS setups with Geissele Super 42s. I should be able to provide a range report this weekend with my thoughts on the Super 42.

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    I've never encountered horrible noises or vibration coming from the buffer spring. Is the inside of the extension rough?

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    Action spring, to use the correct terminology. Some folks often hear a "twang" contributed to the spring vibrating and resonating inside the RE. I believe this happens more prominently with stainless steel springs than chrome silicon, at least in my experience.

    A relatively rough interior and spring finish will contribute to a more grinding sound when the action reciprocates.

    Quote Originally Posted by 17K View Post
    I've never encountered horrible noises or vibration coming from the buffer spring. Is the inside of the extension rough?

  8. #8
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    The VLTOR A5 system potentially enhances reliability, whereas anecdotal reports of the JP system lead me to suspect that it potentially decreases reliability.

    The VLTOR A5 system returns a carbine (closer) to original rifle design specs, the JP system is s fairly radical departure from those specs.

    My first AR had me noticing the sproing. Run the crap out if it for a few thousand rounds, and your focus will be on getting rounds on target, maneuvering, and problem solving.

    "Feel" is overrated. It's a rifle, not an exotic massage.

    My rifles have VLTOR A5 systems to allow for slightly more forgiving functional parameters, as well as a slightly longer LOP.

  9. #9
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    Vltor all the way, unless you really can't spare the 3/4" of extra length, in which case it's Geissele time.
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  10. #10
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    no not at all, very clean and smooth, not even any anodizing wear. spikes tube

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