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buffer tube

A buffer amplifier (sometimes simply called a buffer) is one that provides electrical impedance transformation from one circuit to another, with the aim of the signal source being unaffected by ("buffered from") whatever currents (or voltages, for a current buffer) that the load may produce. Two main types of buffer exist: the voltage buffer and the current buffer.

View More On Wikipedia.org
Recent contents
  1. .45's and .38's

    Pistol buffer tube w QD mount

      1. For Sale
    • $25
    • Happy Valley
    • Oregon
    Really good like new condition. Has a QD sling mount built into the end Selling for what I snatched it off the forum for, it's made for all sorts of braces the guy was telling me. $25 firm
  2. K

    WTS/WTT WA  AR, AK, 10/22, and more parts

    -
  3. Jcon268

    WTS OR  Pistol buffer tube works for Tailhook

    ***Sold**** pickup in Gresham. Will ship flat rate on buyers dime. No trades. Damage Industries pistol tube basically brand new. Installed to check function, then removed. Bought this and another tube decided to go with a different one because of my specific buffer system. Tube has an outer...
  4. Liberty19

    WTS OR  LMT buffer tube mil spec

    Installed and removed $43 shipped PayPal friends and family or add 4%
  5. T

    pistol brace with buffer tube

      1. For Sale
    • $40
    • Beaverton
    • Oregon
    This is a Century Arms branded pistol brace and Midwest Industries pistol buffer tube. I'd like $50 for the combo. Meet me in Beaverton (Murray & Allen area).
  6. T

    WTS WA  SB Tactical SBM4, Norinco AK Top Cover Pic Rail, AK Pistol Buffer Tube Adapter

    First off, the SB Tactical SBM4 brace. This was mounted on a pistol and includes a pistol buffer tube. Castle nut is split from being backed out too far past the threads, so that will need to be taken off in a vise, but the tube is still perfectly useful. $SOLD Norinco AK top cover with pic...
  7. Liberty19

    WTS/WTT OR  Geissele DDC buffer tube

    TRADE: for same buffer tube in black or sell for $65
  8. Liberty19

    WTS/WTT OR  ODG MOE stock and grip w/PSA lpk and mil spec buffer tube assembly.

    $70 at cabelas or trade for Radian BCG
  9. BATTERY

    Tailhook brace w buffer tube

      1. For Sale
    • $100
    • Kalama
    • Washington
    Selling my tailhook brace with buffer tube, castle nut and plate. It worked great but I went the SBR route and now I have no need for it. $100 Respond with PM if interested.
  10. eldbillbo

    WTB OR  ar 15 commercial buffer tubes

    Looking for a low cost to buy or trade for commercial buffer tube or tubes. I will consider complete stock assembies if that is the only way you will part with it. I have lots of different parts for ar15, ruger 10/22 and hk g3 or cetme and 8mm ammo to trade.
  11. J

    WTS OR  KAK Shockwave AR 15 Pistol Stabilizer and Buffer Tube

    [SOLD] I am selling a KAK Shockwave Stabilizer and Buffer Tube with indentations made for the stabilizer. These are lightly used because I decided to change them out for a SBA3 brace. Redmond/Bend Area I am asking $40
  12. cowboykid8

    AR10 buffer tube assembly

      1. For Sale
    • $60
    • Aloha
    • Oregon
    Unopened buffer kit for AR10/308 from brownells, Luth-ar brand. $60 obo
  13. Vavrespa

    WTS WA  SB Tactical SBM4 Brace w/ Pistol Buffer Tube

    SOLD.
  14. P

    WTS OR  Shockwave Blade & KAK Buffer Tube, Strike Industries Dust Cover

    All parts came of previous builds and are used 2 x Black shockwaves with KAK schockwave buffer tube- $35 each 2 x Strike Industries AR enhanced Dust Cover - $10 each 1 x KAK dimpled AR pistol buffer tube - $25 ( does have some scuffs)
  15. bspidell

    WTS OR  CZ Scorpion Pistol Brace and Buffer Tube Mount

    SOLD! I have an SB Tactical PSB model pistol brace for the CZ Scorpion Evo pistol. It will also come with a CZ USA AR buffer tube mount and spare buffer tube that came with the mount. These normally retail for about $125 and $45 respectively, so I'm basically throwing in the mount for free...
  16. Joe Link

    Trinity Force A2 Stock and Buffer Tube

      1. For Sale
      2. For Trade
    • $40
    • Portland
    • Oregon
    This kit came with a build kit I bought and I don't need it. The stock is brand new in the box and includes the buffer tube, stock extension, and screw. This isn't what I'd call a true A2 kit, more like an "A2 style" kit. Seems like it's well made. $40, and I'm willing to ship at buyers expense.
  17. Celtic Red

    WTS/WTT WA  SB tactical SBM4 AR Pistol Brace and buffer tube.

    As stated sbm4 with a fitted buffer tube for sale. Never shot or used. Parts off my ar pistol that i havent finished. Going a different route. These are going for 90 on optics planet so ill ask 80 for every thing. Im in the vanport area. Thanks Christian
  18. Liberty19

    WTS OR  SB Tactical mil spec buffer tube

    Very few rounds. Less than 20 $10 picked up
  19. J

    WTB WA  WTB OR TOO: AR pistol upper/ buffer tube

    just seeing what is out there, I have the other parts but i need a buffer tube for a ar pistol as well as a completed upper. I have a charging handle and bcg so those are not necessary. Let me know what you have.
  20. HaynProdigy808

    WTS OR  CZ Scorpion Evo 3 S1 Pistol Buffer Tube Kit w/Sig Sauer "SBX" Arm Brace

    I have one (1) CZ Scorpion Evo 3 S1 Pistol Buffer Tube kit with a Sig Sauer "SBX" arm brace already installed. This was part of a set I purchased from Prepper Gun Shop. I no longer have a need for this set-up. This is ready to install onto your CZ Scorpion pistol and is 100% legal to own (check...
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