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Thread: Buffer Tube

  1. #11
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    It's not that it's not a legitimate question, it's just easily found by searching. If you can't find it with the orange search button, try Google followed with m4carbine.net and it should come up for you.

    Also, anytime there's a better material involved, it's usually worth buying the better of the two.
    Last edited by jonconsiglio; 03-12-11 at 17:17.

  2. #12
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    It is absolutely worth the little bit of extra money to buy the 7075 tube. Buy right the first time! Not only that, you're telling the company that you want mil-spec products, so there will be incentive for them to carry better products.

    Like I said, buy BCM and be done with it. You can never go wrong with BCM.

  3. #13
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    Quote Originally Posted by Abull View Post
    This is a very confusing board to say the least. Usually delete a thread where someone asks a legitimate question? I just want an opinion on whether it's worth the extra to buy a 7075 tube or a 6061 tube. If this is wrong by all means delete. This is only the second time I have posted something here, I understand the professionals here, guess I will just go back to the "read only mode".
    DSA receiver extensions are likely to be hit or miss on quality, and of odd-ball varying diameter... this had been my experience, and why i don't get anything from DSA, or several other unknown sources. the LMT tubes are very consistent, and on the higher side of the tolerance- generally fitting snugger is more stocks.

    as far as material... who knows. REs dont break very often, and they last a really, realy long time- so aside from perhaps the ability to get tighter tolerances with one material (?), i don't see how it could possibly make a difference.

  4. #14
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    I went to a local gun show looking for a tube and came across a go-fast booth with a load of cool looking AR parts. He had a pile of tubes so I asked him what grade aluminum they were made of. He said, "they're mil-spec." I said yeah but what grade of aluminum? He replied with "mil-spec is mil-spec." I walked away and bought a Vltor a couple rows away. I figure if something happens to the tube (dropped, slip and fall, butt check), and the tube fails... well, I now have a 6 1/2lb club instead of a rifle.

    Spend a few bucks more and go with one of the higher quality previously mentioned brands.

  5. #15
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    I have a "mil-spec" Armalite receiver extention, and all I can say is... it's NOT mil-spec. My MOE stock wobbles a lot on it and the inside is rougher than hell. It's made from 6061 aluminium.

    I didn't stake the castle nut when I assembled it, I'll change the RE as soon as I can find a good one. Up here it's pretty damn rare and usually very expensive.

  6. #16
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    Quote Originally Posted by justin_247 View Post
    Order a BCM M4 Stock Kit with an H-buffer for $77 and be done with it:
    http://www.bravocompanyusa.com/M4-St...ec%20black.htm ...
    Couldn't agree more. I have two BCM kits and couldn't be more impressed with the quality. Much smoother operation than a Del-Ton and Bushmaster I compared them against. And it's great to have six adjustments instead of the standard milspec four.

    No need to look any further...

  7. #17
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    [QUOTE=Abull;937199 Then I see a complete kit, DSA tube, buffer, spring, plate and nut for just $5 more than I can get the LMT tube. Guess I'm just looking for confirmation that I'm going the right way! Thanks.

    Alan[/QUOTE]
    Are you looking for the furniture as well or just the hardware? DSG sells Magpul furniture kits that include the hardware for a great price. Downside is that the hardware is DSA. Charlie will upgrade the hardware for a reasonable increase in cost. Still works out to be a helluva deal.

  8. #18
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    I've little experience with AR receiver extensions, but I can tell you that tubes made from 7075 will take much more abuse before failing than tubes made from 6061
    INSIDE PLAN OF BOX
    1. ROAD-RUNNER LIFTS GLASS OF WATER- PULLING UP MATCH
    2. MATCH SCRATCHES ON MATCH-BOX
    3. MATCH LIGHTS FUSE TO TNT
    4. BOOM!
    5. HA-HA!!

    -WILE E. COYOTE, AUTHOR OF "EVERYTHING I NEEDED TO KNOW IN LIFE, I LEARNED FROM GOLDBERG & MURPHY"

    http://i115.photobucket.com/albums/n289/SgtSongDog/AR%20Carbine/DSC_0114.jpg
    I am American

  9. #19
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    Quote Originally Posted by Artiz View Post
    I have a "mil-spec" Armalite receiver extention, and all I can say is... it's NOT mil-spec. My MOE stock wobbles a lot on it and the inside is rougher than hell. It's made from 6061 aluminium.

    I didn't stake the castle nut when I assembled it, I'll change the RE as soon as I can find a good one. Up here it's pretty damn rare and usually very expensive.
    EXACTLY!!! You'll find that a real COLT RE will be very smooth on the inside which is less friction during cycling.

  10. #20
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    I like the LMT extensions and how they have the little extra step where it contacts the detent. That's one thing I miss with the A5. 1/16" of a turn with the A5 and the detent is flying across the room.

    I wouldn't buy one that wasn't 7075. The cost difference between crap and good stuff really isn't all that high here, buy the good stuff.

    LMT/COLT

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