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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. G

    [WTS] Arsenal Bulgaria AK Quad rail - railed handguards $100-$200

      1. For Sale
    • Las vegas
    • Nevada
    For sale: All prices include USPS Frist class s/h. Items always ship within 24 hours of receiving payment. Several brand new items made by Arsenal Inc. of Bulgaria. All made for milled rifle(SAM): -Arsenal lower handguard with triple picatinny rail and heat shield $170. -Arsenal lower handguard...
  2. Donman

    New AR15 parts for sale!

      1. For Sale
    • $25
    • Peoria
    • Arizona
    New AR15 parts sale! 1. Round Carbine black hand guards with heat shields: $20.00 2. Round Mid-length Dark Earth hand guards with heat shields: $25.00 3. GUNTEC USA Airlite Series Minimalist Stock in blue: $100.00 4. Magpul BTR pistol brace with buffer tube: SOLD!! 5. IMI OD Green pistol...
  3. J

    Hk-91 complete with buffer, bipod, mags, carry handle, spare parts kit....

      1. For Sale
    • $5000
    • Pueblo West
    • Colorado
    Excellent condition, it's been a safe gun, not a shooter..... although I have shot it for function check and it functions flawlessly as one would expect. Many extra mags (5 steel, 7 aluminum plus 2 aftermarket high capacity) , comes with everything you would want..... buffer, carry handle...
  4. Donman

    New AR15 parts & Mini-14 rifle stock for sale!

      1. For Sale
    • $25
    • Peoria
    • Arizona
    New AR15 parts & Hogue Mini-14 rifle stock for sale! 1. Retro Round Carbine black hand guards: $20.00 each 2. Retro Round Mid-length Dark Earth hand guards: $25.00 3. GUNTEC USA Airlite Series Minimalist Stock in blue: $100.00 4. Magpul BTR pistol brace with buffer tube: $60.00 5. IMI OD...
  5. Tonybigtman

    Ar parts ,grips , springs , hand guards , buttstocks

      1. For Trade
    • $10
    • Glendale
    • Arizona
    I have various AR parts for trade or sale . Just let me know what you need maybe I can help ? 7604132388 I can also help you 3D print custom parts within reason.
  6. LVLouisCyphre

    Nevada  AB286; "unfinished firearms" illegal in Nevada

    NV Gov Silly signed AB286. The Firearm Policy Coalition filed the lawsuit within 24 hours of it being signed into law. This over reaching legislation bans unfinished receivers, firearm parts and even serialized receivers by non-FFL holders. That's right, your caliber conversion kits are now...
  7. Donman

    Selling AR15 parts, plus Hogue rifle stock & top handguard for Mini-14

      1. For Sale
    • $65
    • Peoria
    • Arizona
    Selling AR15 parts, plus Hogue rifle stock & top handguard for Mini-14 1. New Magpul MOE OD Green Rifle Length Handguards: $30.00 2. New Guntec USA AR-15 Drop-In M-LOK Carbine Handguard FDE: $65.00 3. New AR15 pistol grip: $6.00 4. Ruger Mini-14 ventilated fiberglass top handguard: $20.00...
  8. Donman

    AR 15 parts and Mini-14 rifle stock for sale!

      1. For Sale
    • $15
    • PEORIA
    • Arizona
    AR15 Parts and Hogue Mini-14 stock for sale! 1. New Guntec USA AR-15 Drop-In M-LOK Carbine Handguard FDE: $65.00 2. New AR15 pistol grip: $6.00 3. AR15 charging handle SOLD!!! 4. New set of AR15 Hogue Red Lava rifle length butt stock and grip: SOLD!! 5. New Hogue Rubber molded Mini-14 rifle...
  9. J

    Large lot of gun parts and accessories.

      1. For Sale
      2. For Trade
    • $1234
    • Flagstaff
    • Arizona
    I have a bunch of misc gun parts, triggers sights grips, 10/22 receiver (moa), 10/22 magnum stock and barrel, ak74 mags, 10/22 mags and a ton more would like to sell as a lot. I will be traveling to Phoenix from flagstaff today around 2pm so call or text 928-606-4629 Matthew
  10. Donman

    AR15 parts & Hogue Mini 14 rifle stock for sale!

      1. For Sale
    • $25
    • Peoria
    • Arizona
    AR15 parts & Hogue Mini 14 rifle stock for sale! 1. New AR15 OD Green rifle length round handguards: SOLD!! 2. New AR15 OD Green BlackHawk Knoxx pistol grip: $18.00 3. New AR15 M4 FDE Carbine length free float tubular handguards: SOLD!! 4. New AR15 Foliage Green rifle length round...
  11. Donman

    M1 Garand clips, AR15 & AK47 parts, Arisaka parts, Tokarev Magazine, and Beretta 92 mags for sale!

      1. For Sale
    • $25
    • Peoria
    • Arizona
    M1 Garand clips, AR15 & AK47 parts, Tokarev Magazine for sale! 1. M1 Garand clips: $12.00 (for set of 6 clips) 2. Original Russian Pistol Tokarev (7.62x25) 8-round magazine: $25.00 3. New AR15 AB Arms Mod1 Carbine length two piece hand guards in Tan-FDE color: 4. New AR15 Flash hider A2...
  12. Donman

    AR15 parts, Hogue Mini 14 stock for sale!!

      1. For Sale
    • $20
    • Peoria
    • Arizona
    AR15 parts, Hogue Mini 14 stock for sale!! 1. New AR15 AB Arms Mod1 Carbine length two piece hand guards in Tan-FDE color: $25.00 2. New AR15 OD Green Hera pistol grip: SOLD!! 3. New AR15 OD Green BlackHawk Knoxx pistol grip: $20.00 4. New AR15 Commercial Carbine Butt stock tube (6-position)...
  13. J

    Remington Mod 7 and 700 Parts

      1. For Sale
      2. For Trade
    • Tucson
    • Arizona
    1 New Remington OEM Model 700 Short Action Varmint Profile Synthetic Stock- $60.00 All items avail in Tucson or will ship if needed. Buyer pays actual shipping.
  14. A

    Dillon press parts 550

      1. For Sale
    • $40
    • Glendale
    • Arizona
    UPDATED THE AD One complete conversion for a 550 in 38SPL/357 Mag. $40 Like new $20.00 and #B shellplate fits Belted Magnums
  15. T

    Mega Arms Parts!!!

      1. Want to Buy
    • Prescott
    • Arizona
    I'am a huge Mega Arms enthusiast and looking for any and all parts you may have!!! -Upper's -Lower's -Rail's -Barrel's -Charging Handle's ***WHATEVER YOU GOT ILL TAKE IT!!! also interested in Umbrella Corp parts also (UCWRG)*** )
  16. Donman

    Selling FN-P magazines, AR15 parts, AK47 Grips, Hogue Mini 14 stock, Magpul 1911 Grips!!

      1. For Sale
    • $25
    • Peoria
    • Arizona
    AR15 parts, AK47 grips, Walther P38 grips, Hogue Mini 14 stock for sale!! ALL PRICES INCLUDED SHIPPING COSTS!!!! 1. New Phoenix Technology AK47 black Polymer Grips $12.00 each 2. Brand New AR15 M16 military grips black A2 style: $7.00 3. New AR15 AB Arms Mod1 Carbine length two piece hand...
  17. Donman

    Selling AR15 parts & tools, Hogue Mini 14 stock, Springfield 1911 Grips

      1. For Sale
    • $1
    • Peoria
    • Arizona
    Selling FNP & Browning Hi Power magazines, AR15 parts, AK47 Grips, Hogue Mini 14 stock, Springfield 1911 Grips ALL PRICES INCLUDED SHIPPING COSTS!!!! 1. Brand New FN-P 9mm magazines, 10-round: $20.00 each 2. Brand New Browning Hi Power 9mm Metgar 13-round magazines: $20.00 each 3. New AR 15...
  18. C

    Ar15 parts miscellaneous

      1. For Sale
    • $1
    • Scottsdale
    • Arizona
    Miscellaneous AR15 parts. Make offer!
  19. Wess13

    Beretta 1951 & Helwan - The problems are fixed!

    Good day Fellow gun owners, I'm Wess and I'm a gun parts designer from The Netherlands ( You know ...Amsterdam ) and I specialize in hard to find.. basically unicorn parts. My first successful project is the locking block for the Beretta 1951 & Helwan line of pistols. It has taken me 2 years to...
    • Discussion Thread in Handgun Discussion
    • Wess13
    • 9mm 9x19 beretta berettas custom dutch egyptian helwan parts surplus
    • Replies: 3
  20. wifininja021

    Aero Precison Lowers Stripped and Complete

    I just wanted to share with you guys a deal I saw from surplusammo.com under weekend deals. A complete lower (Aero) is $109.99. Stripped lowers (Aero) are $44.99 with a DPMS parts kit it's $74.99. I have 4 stripped lowers so I need parts kits. I wish I could just get the parts kits for $30...
    • Discussion Thread in Great Deals
    • wifininja021
    • aero ar-15 build kit lower parts precision receiver
    • Replies: 0
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