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10.5 upper

The Ultra 5 (code-named Otter) and Ultra 10 (code-named Sea Lion) are 64-bit Sun Microsystems workstations based on the UltraSPARC IIi microprocessor available since January 1998 and last shipped in November 2002. They were introduced as the Darwin line of workstations.

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Recent contents
  1. G

    Aero Kodiak 5.56 upper 300 shipped

      1. For Sale
      2. For Trade
    • $300
    • Woodland
    • Washington
    Got a aero 10.5” upper in the Kodiak anodized finish. Atlas R one handguard, no forward assist upper and can’t remember the muzzle device came from but its pretty nice. About 300 rounds thru it.. give or take. No bcg or ch Mostly looking to sell but open to trades, partial Or full...
  2. cfour

    zev 10.5 upper in 556

      1. For Sale
    • $850
    • Gig harbor
    • Washington
    Selling my zev 10.5 upper in 556 with a Noveske barrel, and radian CH. sub 60rds through it, currently has an Eotech 1-8 HC3 in green that can be included for 750.
  3. chromeanimal

    Aero m4e1 10.5 upper

      1. For Sale
    • $275
    • Portland
    • Oregon
    Less than 400 rounds. Comes with atlas r-one handguard. Has been rock solid for me, just changed my tastes a bit. No BCG but milspec handguard included.
  4. tmess33

    10.5' 300blk upper *price drop*

      1. For Sale
    • $475
    • Bremerton
    • Washington
    Hk416-ish/car-15ish clone I am looking to fund other projects. Minor salt Suppressor host Sub 200 rounds More pics on request Build: Faxon 10.5in barrel Troy industries 7.5in quad rail Handguard w/heat shield Evolve industries bcg & ch Midwest Industries Adjustable Combat Rifle Sight Aim...
  5. ashreg98

    unfired Brownells BRN-601/m16a1 Upper

      1. For Sale
      2. For Trade
    • $500
    • bellevue
    • Washington
    Colt Block II Upper : Colt Cage Coded Upper Receiver with Colt Cage Coded 14.5" 1/7 SOCOM profile Barrel with a Pin/welded Surefire Warcomp that is neutral timed. Daniel Defense RIS II FSB installed. Lightly Used/rarely shot. SPF Brownells M16a1 (BRN-601) Upper: unfired, 1/12 twist chromed lined...
  6. jerhine23

    Radian model 1 upper with surefire flash hider, 11.5 criterion core

      1. For Sale
      2. For Trade
    • $1
    • Milwauie
    • Oregon
    Radian model 1 upper with criterion core 11.5, ripcord gas block and surefire closed flash hider, no bcg or ch.
  7. jerhine23

    Aero precision 10.5 upper 5.56 (factory built, only shot under 200 rounds) selling for cheap

      1. For Sale
      2. For Trade
    • $260
    • Milwaukie
    • Oregon
    Selling for cheap, Aero precision 10.5 upper 5.56 (factory built, only shot under 200 rounds), no bcg or ch.. selling for $260 Trade to optics
  8. jerhine23

    Aero precision 10.5 upper 5.56 (factory built, only shot under 200 rounds)

      1. For Sale
      2. For Trade
    • $300
    • Milwaukie
    • Oregon
    Aero precision 10.5 upper 5.56 (factory built, only shot under 200 rounds), no bcg or charging handle. Trade to eotech xps, vortex uh1, aimpoint pro or eps/509t x2.
  9. E

    solgw starter 10.5 upper with geissele 9.3 handguard, luth ar bcg

      1. For Sale
    • $650
    • clackamas
    • Oregon
    unfired solgw starter 10.5 upper with geissele 9.3 handguard, luth ar bcg since im new, i prefer to do in person meet up for now.
  10. PDXdouble

    *Price Drop* Criterion/Geissele Upper

      1. For Sale
    • $1000
    • oregon city
    • Oregon
    Selling my 10.5 upper build. Had this built for me by Steve over at Ripcord industries. Haven't got out to the range to shoot it, so as it sits now, it has maybe 5-10 rounds through it from Steve testing it. Specs below. Criterion CORE 10.5 Surefire Warcomp TDX .625 gas block Geissele MK8 9.5"...
  11. PDXdouble

    Criterion/Geissele 10.5 upper

      1. For Sale
    • $1150
    • oregon city
    • Oregon
    Selling my 10.5 upper build. Had this built for me by Steve over at Ripcord industries. Haven't got out to the range to shoot it, so as it sits now, it has maybe 5-10 rounds through it from Steve testing it. Specs below. Criterion CORE 10.5 Surefire Warcomp TDX .625 gas block Geissele MK8 9.5"...
  12. jerhine23

    Lwrc 10.5 upper on lmt mars lower

      1. For Sale
      2. For Trade
    • $1600
    • Milwaukie
    • Oregon
    Selling my 10.5 lwrc di upper (factory built) on lmt mars lower (bcm part kits, hiperfire edt trigger) Comes with troy sight, holosun 403b. Suppressor not included.. Trade interest: galil ace 7.62 Buyer pays for transfer
  13. Jbsheepdog

    Psa 10.5 upper A2 front sight

      1. For Sale
    • $300
    • Washougal
    • Washington
    I got this for my wife but we decided to go 12.5 she wanted a longer barrel. It’s got maybe one mag through it. Comes stripped, no bcg/ch, optic/sights or light.
  14. jerhine23

    Lwrc 10.5 Di upper with or without bcg/ch.

      1. For Sale
      2. For Trade
    • $700
    • Milwaukie
    • Oregon
    Selling my lwrc 10.5 Di upper .. Selling for 700 without ch and bcg or 900 with bcg/ch Only had like 100 rounds down the pipe Partial trade to closed emitter pistol red dot
  15. T

    BRN-180 10.5 Upper

      1. For Sale
      2. For Trade
    • $900
    • Tigard
    • Oregon
    Brownells BRN-180 10.5" 5.56 Upper Great shape, comes with box and an SB brace. Upper will mount to any AR lower. Will need a separate piece to fit brace to a standard lower. Lower and Holosun are not for sale. $900/OBO
  16. Aromans

    Ar15 10.5 upper

      1. For Sale
    • $150
    • Tacoma
    • Washington
    10.5 Ar15 upper built from parts from local gun shop only markings ar square forge mark on upper mlok rail no bcg or charging handle 150$ local or 150+ the ride shipped
  17. Foggy3

    Once fired 10.5 upper w/ extras *KAC, Matech, BA, extra 14.5” barrel

      1. For Sale
    • $550
    • Puyallup
    • Washington
    Stag 14.5” upper that was rebarreled to a new Ballistic Advantage 10.5 barrel. Once fired. New Troy quad rail, new matech rear sight, new KAC vert grip and newer A2 bird cage and Milspec CH. Not looking to trade or separate. Located in Puyallup, WA. Thanks for looking.
  18. Animalmutha

    Colt 13629 10.5 upper. Built out

      1. For Sale
    • $900
    • Olympia
    • Washington
    Colt 13629 upper Colt 13629 10.5 socom barrel Surefire 3 prong Giessele MK13 9.5 rail FDE Discontinued rare Giessele airborne charging handle FDE FN full auto carrier colt MPC bolt KAC irons Upper with BCG has about 40 rounds through it with a warden attached. Not a cheap build. Well over...
  19. O

    10.5in JP Enterprises, Zev, Adams Arms piston AR upper...

      1. For Sale
    • $800
    • Bend
    • Oregon
    10.5 upper - Zev billet receiver, JP Enterprises cryo supermatch 1:7twist 10.5in barrel, JP Enterprises bolt, Adams Arms P series piston system, JL Billet JLB-MLA-9 mlok handguard, Forward Controls forward assist, Lantac cam pin, SI dust cover. No muzzle device and no charging handle. Got this...
  20. corsar66

    Complete PSA 556/223 10.5 AR Upper w/red dot

      1. For Sale
      2. For Trade
    • $340
    • Happy Valley
    • Oregon
    Back for sale is my used PSA 10.5 Phosphate Upper barrel with PSA BCG, charging handle, a Midwest Industries Rear sight and a Bushnell TRS-25 Red dot. Less than 300 rounds trough it $340 Only trade interested would be a Sig 365XL or Glock 20 (adding money from my side ) Local (FTF) sale or...
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