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parts

In science and engineering, the parts-per notation is a set of pseudo-units to describe small values of miscellaneous dimensionless quantities, e.g. mole fraction or mass fraction. Since these fractions are quantity-per-quantity measures, they are pure numbers with no associated units of measurement. Commonly used are parts-per-million (ppm, 10−6), parts-per-billion (ppb, 10−9), parts-per-trillion (ppt, 10−12) and parts-per-quadrillion (ppq, 10−15). This notation is not part of the International System of Units (SI) system and its meaning is ambiguous.

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Recent contents
  1. Kyrsen

    Looking for ‘03-‘05 Yamaha R6 parts

      1. Want to Trade For
    • Corvallis
    • Oregon
    Like the title says, looking for parts or a parts bike. I have a couple of rifles or handguns to trade for the right deal. Also have ammo and some music gear.
  2. RobMa

    Jerks at Midwest Gun Works supplies refunded my money on an order I made several days ago.

    Not one word, no email. The money was just deposited back into my account. I legally purchased the items (non-serialized ) several days ago so they could've shipped it to me at no risk regardless of whether the ban gets signed tomorrow or not. Even if there is an injunction levied against this...
  3. boxof22

    AR uppers, Glock 17 slides, 10/22 parts

      1. Want to Buy
      2. Want to Trade For
    • vancouver
    • Washington
    looking for AR uppers, 17, 34 slides 10/22 parts or guns I have various things to trade, or trade with cash, or if you wanted to buy thats fine too I have a timney trigger alpha gen 3-4 (low round count, comes with box and all parts) 150msrp I hate a tri star KRX shotgun, ar style 12g, with 2...
    • Classified Ad in Parts & Accessories Wanted
    • boxof22
    • 10/22 10/22 parts ar parts ar upper glock parts glock slide magpull parts tigger timney trigger
    • Replies: 3
  4. tmanhawk

    Geissele Standard Lower Parts Kit

      1. For Sale
      2. For Trade
    • $95
    • Vancouver
    • Washington
    Brand new never installed. Not going to use them for builds anymore. The Geissele Standard Lower Parts Kit includes all the internal parts necessary to complete or rebuild your lower receiver. This quality mil-spec kit features an improved safety detent and specially designed Posi-Lock safety...
  5. CoffeeGun0314

    Magpul OD green MOE Stock and SL pistol grip.

      1. For Sale
    • $40
    • Bellevue
    • Washington
    basically new Magpul OD green in the box, plus an SL pistol grip(BLK) new in the box as well. Both as a package for $40 OBO. All sales final. Local only, no shipping.
  6. CoffeeGun0314

    Surefire QD Warden

      1. For Sale
    • $190
    • Bellevue
    • Washington
    Surefire QD Warden. It's still in working-good condition but has some scratches due to some training classes. Sold as the picture. No shipping, local only. All sales final. $190 OBO. **** THIS IS NOT A SILENCER/OR SUPPRESSOR.****
  7. CoffeeGun0314

    Law tactical folder Gen3 -M

      1. For Sale
    • $190
    • Bellevue
    • Washington
    Law tactical folder Gen3-M. Made in the USA. Good condition and sold as in the picture. Briefly mounted. No shipping, local only. All sales final. $190 OBO
  8. CoffeeGun0314

    surefire flashlight pressure pad

      1. For Sale
    • $80
    • bellevue
    • Washington
    Surefire Flashlight pressure pad, no cap. (SR07 WEAPONLIGHT SWITCH Remote Dual Switch for WeaponLights) Good condition. Sold as the picture. All sales final. $80 OBO. No shipping, local only. Thanks.
  9. Krinkov

    Yugoslavian M70AB2 Underfolder Parts Kit - Original Barrel, 1982, All Matching AK47

      1. For Sale
    • $800
    • portland
    • Oregon
    Yugo Underfolder parts kit $800 f2f $815 shipped Original Barrel, bore and bullet test pics below Zastava Kragujevac marked rear sight block Tapco G2 Double Hook trigger group All matching numbers Parts were also electro penciled with another number. All of those numbers match as well. It is...
  10. FreedomMyDoods

    Staccato / STI accessories/parts

      1. Want to Buy
      2. Want to Trade For
    • Tacoma
    • Washington
    Open to anything Staccato / STI. magazines, accessories, parts, guns, etc. Primarily in 9mm, 40sw, or a 38 super would be awesome too Offering ammo, parts, rifles, handguns, etc. Just shoot me a PM if you have anything youre trying to sell.
  11. M

    14.5” Complete Upper Build

      1. For Sale
      2. For Trade
    • $1000
    • Sherwood
    • Oregon
    Rosco 14.5” barrel, surefire war-comp muzzle device, mid length gas system, full length M-lock handguard. Tac latch charging handle, Bootleg black nitride gas adjustable BCG, streamlight with magpul in line mount and pressure pad/ button cap. Viper PST Gen 2 1-6 MOA. Vortex 30mm mount
  12. M

    10.5” Complete upper Build

      1. For Sale
    • $600
    • Sherwood
    • Oregon
    Complete upper. 10.5” Ballistic Advantage build with Midwest Industries Quad Rail. Black nitride BCG, Radian CH. Streamlight rifle light with pressure pad and arisaka mount. And alternate push button to swap pressure pad out. Flip up polymer iron sights, and crimson trace red dot. BCM vertical...
  13. Shootingred994

    Esstac 556 placard/miscellaneous parts

      1. For Sale
      2. For Trade
    • $1
    • Tualatin
    • Oregon
    • 5.56 Esstac Triple Daeodon Front Panel-Ranger green(30$) • Egw TRIJICON RMR / SRO, HOLOSUN 407C / 507C SIGHT MOUNT FOR GLOCK-(25$)
  14. rayrunspdx

    Ballistic Advantage Hanson 13.9

      1. For Sale
    • $175
    • Beaverton
    • Oregon
    Selling my Ballistic Advantage 13.9” Hanson Profile barrel. Very good condition with less than 250 rounds fired of strictly M193 Brass case 5.56 and 68 gr. BHTP’s. Comes with pinned low profile gas block from Ballistic Advantage. Properly gassed, soft shooting, and accurate barrel with 1:7...
  15. DangerDog

    AR15 small parts + PMAG dust covers

      1. For Sale
    • $25
    • Marietta
    • Other
    Like new basic parts for AR15. Don't remember brand but I think they're either DPMS or AR-Stoner. Little imperfections on the surfaces due to them being loose parts, but never used. Also PMAG dust covers: Two for Gen2 PMAGS and three for Gen3 PMAGS $25 shipped continental US only. PayPal or...
  16. IronSites2NS

    Sig Sauer P220 Equinox Nickel Parts!

      1. For Sale
    • $140
    • Oregon City
    • Oregon
    For Sale is a complete set of Sig P220 Nickel Parts. I received these in a deal, and want to pass these on for someone that has a project in mind. Either your own Equinox build or a Nightmare look. Comes with the Hammer, SRT Trigger, Decocker, take down lever, Magazine Release and Slide Catch...
  17. alelord

    Want to buy Remington model 8 parts

      1. Want to Buy
      2. Want to Trade For
    • Vancouver
    • Washington
    I recently acquired are old Remington model 8 in 30-30 rem It needs some new springs like the recoil spring and barrel springs. Also needs a new stock. Any one have parts they want to sell?
  18. officially5150

    Diamondback db9 complete slide and mags

      1. For Sale
    • $50
    • SALEM
    • Oregon
    Selling a complete db9 gen 1 slide, barrel and recoil spring as well as 2x 6rnd factory mags 1 with pinky extension. Lower round count probably less than 200rnds but does have pretty standard wear on slide.
  19. DylanR

    Spare parts clear out ar10/ar15

      1. For Sale
      2. For Trade
    • $300
    • Portland
    • Oregon
    Magpul moe fixed rifle stock new mounted never used tho will come with new buffer weight and spring 70$ Ballistic advantage black nitrade 308. Bcg 175$ Lbe ar10 308. Ext mil spec charging handle used for 1 range session 35$ We the people single stack mag carrier. Vg6 gamma 556 sl muzzle device...
  20. G

    M16A1 Clone Parts

      1. For Sale
    • Milwaukie
    • Oregon
    For sell is a parts set for an M16A1. Easier to list what's not included. No lower receiver , no upper receiver with rear sights, no magazine. Everything else to build a nice clone should be there. Most all is brand new from Brownells and not taken out of the bags. some of the small parts are...
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