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Thread: What A5 buffer weights for this list of guns?

  1. #51
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    I actually made my own also, but I am unable to locate any other buffers. I have two REs but nothing else.

  2. #52
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    A5 Updates

    Just some updates on some more A5 testing we did today.

    20" FN Rifle upper with Vltor -3 and -4 buffers. Ran smooth as butter with M193, M855 and some markm .223 handloads.

    16" Colt 6920 barrel with Vltor -3 and -4. Same ammo as above. Again all the ammo cycled and the gun was smooth with very little climb. This one also had the new(ish) BCM Mod 1 Comp.

    We then switched it up and ran it with the same configuration and the LMT enhanced carrier. I was almost like shooting a 22 magnum.



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  3. #53
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    The -3 had three tungsten weights and the -4 has four, right? The -4 is the heaviest offered, correct?

  4. #54
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    No idea. I just follow the website. H3 weighs like 6.08 and the H4 is like 6.83.

    Quote Originally Posted by AKDoug View Post
    The -3 had three tungsten weights and the -4 has four, right? The -4 is the heaviest offered, correct?



    Owner/Instructor at Semper Paratus Arms

    Facebook: https://www.facebook.com/SemperParatusArms/

    Semper Paratus Arms AR15 Armorer Course http://www.semperparatusarms.com/cou...-registration/

    M4C Misc. Training and Course Announcements- http://www.m4carbine.net/forumdisplay.php?f=141

    Master Armorer/R&D at SIONICS Weapon Systems- http://sionicsweaponsystems.com

  5. #55
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    Re: What A5 buffer weights for this list of guns?

    Quote Originally Posted by AKDoug View Post
    The -3 had three tungsten weights and the -4 has four, right? The -4 is the heaviest offered, correct?
    Yes, yes, and yes.

    Sent from my SPH-D710 using Tapatalk 2
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  6. #56
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    Quote Originally Posted by mtdawg169 View Post
    Post. I've recently picked up an H1 to try. We'll see how it goes.
    I had two SR15's with the different ports and I only tried them with standard buffers, if I remember correctly. The newer one ran fine with m855/193 and other decent ammo, but felt sluggish with some cheaper ammo. The older port size was ok, but just never felt solid. After they got pretty dirty, they just didn't feel as quick as they should, if that makes any sense.

    I'd think the A5 with only one tungsten would be fine, especially with the newer port size. Unfortunately, I don't have anything certain to say on it. I ultimately went back to the factory KAC buffer on the older me and an H buffer on the newer one. The reason for the H is that KAC lower was shared with a carbine gas 14.5" at the time.

    Quality ammo and it should be fine. It shot flat(ter) with the A5, noticeably.
    Proven combat techniques may not be flashy and may require a bit more physical effort on the part of the shooter. Further, they may not win competition matches, but they will help ensure your survival in a shooting or gunfight on the street. ~ Paul Howe

  7. #57
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    Re: What A5 buffer weights for this list of guns?

    Quote Originally Posted by jonconsiglio View Post
    I had two SR15's with the different ports and I only tried them with standard buffers, if I remember correctly. The newer one ran fine with m855/193 and other decent ammo, but felt sluggish with some cheaper ammo. The older port size was ok, but just never felt solid. After they got pretty dirty, they just didn't feel as quick as they should, if that makes any sense.

    I'd think the A5 with only one tungsten would be fine, especially with the newer port size. Unfortunately, I don't have anything certain to say on it. I ultimately went back to the factory KAC buffer on the older me and an H buffer on the newer one. The reason for the H is that KAC lower was shared with a carbine gas 14.5" at the time.

    Quality ammo and it should be fine. It shot flat(ter) with the A5, noticeably.
    Thanks for the insight Jon. I appreciate it.

  8. #58
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    Finally zero'd and ran about 180 rounds of IMI M193 through my KAC 14.5" Carbine rifle setup with A5 RE, -3 buffer, SpringCo green rifle spring, LMT enhanced carrier and BCM Mod 1 Comp. I thought I was playing lasertag... No issues, good ejection, will continue to run the gun as is until I get a stoppage or failure or I hit 1000 rounds without cleaning or re-lubing.

  9. #59
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    Quote Originally Posted by E-man930 View Post
    Finally zero'd and ran about 180 rounds of IMI M193 through my KAC 14.5" Carbine rifle setup with A5 RE, -3 buffer, SpringCo green rifle spring, LMT enhanced carrier and BCM Mod 1 Comp. I thought I was playing lasertag... No issues, good ejection, will continue to run the gun as is until I get a stoppage or failure or I hit 1000 rounds without cleaning or re-lubing.
    E-man, if you do some polishing as noted in my thread a while back, you'll see some additional insurance against short stroking. I lightly polished the sides of the carrier key, the 'pads' on the carrier that constitute the carrier rails, and the bottom of the carrier where the hammer rides. You could use a felt dremel tip with no compound on low speed, or a shop rag, some jeweler's rouge, and some elbow grease. It really made a difference for me.

    Still, as Jon noted, this setup is to be taken on a gun-by-gun basis as it clearly did not work for him.

    Keep us updated?
    "That thing looks about as enjoyable as a bowl of exploding dicks." - Magic_Salad0892

    "The body cannot go where the mind has not already been."

  10. #60
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    I forgot to mention polishing the bearing surfaces is SOP for me...
    Will keep everyone in the loop, I think I'm pushing my luck with a -3 buffer based on ejected brass hitting the outer edge of the shell deflector but I want to see how far it will go.

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