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brn

BRN-3 is a group of related transcription factors in the POU family.There are three BRN-3 proteins encoded by the following genes:

BRN3A (POU4F1, POU4F1)
BRN3B (POU4F2, POU4F2)
BRN3C (POU4F3, POU4F3)

View More On Wikipedia.org
Recent contents
  1. J

    WTS/WTT BRN - 4/ HK416D clone

      1. For Sale
    • $1200
    • Seattle
    • Washington
    10.4 BRN4 with heavy profile barrel. 500 rounds It comes with Black Ops Defense Gessele SMR rail https://blackopsdefense.com/product/hk-416-cag-geissele-style-rail-foregrip-handguard-tan-long/ SMR light mount BRN4 BCG Milspec CH BOD quad rail...
  2. doncheeto

    BRN 180 - 10.5 with extras

      1. For Sale
    • $400
    • Portland
    • Oregon
    Hello! Looking to part ways with my Brn-180 upper. Also comes with some nice extras. - KNS picatinny stick adaptor (some damage) - PMM Kate moss stock - JMAC skeleton Tube - Sig 1913 hinge
  3. .45's and .38's

    Brownells BRN 4 upper (HK416 clone )

      1. For Trade
    • Portland
    • Oregon
    Here is a Brownells upper that I've decided to give up on finishing due to having other HK uppers. BRN4 upper BRN4 16" heavy profile barrel Factory HK Gen 2 Norwegian adjustable side valve gas block for suppressor use. I call it the Norwegian because it's the same gas block they use on the 416N...
  4. I

    BRN -180 7.62 upper!

      1. Want to Buy
    • Portland
    • Oregon
    I’m looking for a BRN 180 upper in 7.62 only! Can be unmodified or modified to take AKM magazines . Prefably take PayPal in person .
  5. ASH503

    BRN rifle

      1. For Sale
      2. For Trade
    • $900
    • Eugene
    • Oregon
    Selling my 16 inch rifle with gen 2 brn upper. Larue trigger, jmac stock, locks folded. Heat wrap, angled grip, extended pins and mag release, and griffin muzzle device. Asking $900 for the rifle I'll add the AEMS for $1200 total Trades: tanfoglio, CZ sp01 or shadow 2, threaded 357 lever, or...
  6. af306

    BRN 180 16" upper in .223 Wylde. FDE.

      1. For Sale
    • $600
    • Lake Oswego
    • Oregon
    About the BRN 180… The new Brownells BRN-180® Gen2 upper receivers were designed in conjunction with PWS and FM Products to incorporate many improvements AR-15 creator Eugene Stoner made in the AR-18/AR-180 rifles originally introduced in the 1960s. Key features that make the BRN-180® the...
  7. af306

    BRN 180 16" upper on a S&W M&P 15 lower with side folding stock

      1. For Sale
    • $750
    • Lake Oswego
    • Oregon
    BRN 180 upper on a S&W M&P 15 lower with side folding stock Lower has a few thousand rounds of .22LR, upper is unfired. Two Magpul magazines, either 10 round Magpul or 30 round aluminum, buyer's choice Magpul CTR stock in FDE, Ares black stock also included Magpul MOE grip in black, black A2...
  8. wingman33

    BRN 180 Gen 2 10.5" .223 Wylde

      1. For Sale
      2. For Trade
    • $600
    • Beaverton
    • Oregon
    About 6 mags through it then sat in the safe. Some light scuffs from safe but overall 9.9/10 shape. Looking for $600 cash or trade/partial trade. Meet at sportsmans warehouse off 185th. Some trade interests are: Wheel guns (no black powder) .458 socom ammo .38sp/357 mag ammo .556 ammo .44 mag...
  9. PhillipeC

    AR9 - Bufferless Upper BRN clone

      1. For Sale
      2. For Trade
    • $550
    • Damascus
    • Oregon
    For sale is my Matador Arms MAT9. For those who don't know, Matador Arms makes the BRN9 uppers and you will notice they are pretty much the same. What I have here is: PSA PX9 lower - takes Glock mags - $120 Mil-spec parts kit with polished trigger - $70 Strike Industries Picatinny Adapter - $50...
  10. eldbillbo

    AGP ARMS Folding Stock for AR22 or other AR lowers that use buffer tubeless uppers like the BRN 180

      1. For Sale
    • $100
    • Oregon City
    • Oregon
    This uses a really solid locking mech which is really easy to use. It is new and cost $130 new plus another $15 for the rubber buttpad that actually has a bit of cushion to it. I have 2 of these at $100 each https://agparms.com/agp-arms-ar-15-folding-stock/ To see...
  11. thedude

    BRN 180 Gen2 300 BLK, Alpha Stock, KNS Adapter,

      1. For Sale
    • Tacoma
    • Washington
    BRN 180 300 BLK upper, MI Alpha Stock, DD Irons, LPM Muzzle Device, KNS Adapter Timestamp: View: https://imgur.com/a/looCWN3 All brand new except the DD Irons. OT defense bumper also included. Muzzle Brake is Rearden / Plan B compatible. It is also not torqued and Rocksett on. Not keen...
  12. Jimmyod1

    Random stuff, ORW handguard, BRN proto mags, M92V light, and more

      1. For Sale
    • $140
    • Portland
    • Oregon
    Handguard is in like new condition. Hasn’t t been mounted I believe it’s 13” -70$ BRN 25rd mags unused 3x-140$ M952V IR/Vis light without mount-150$ PWS ratcheting castle nut and endplate 30$ Onyx 660 light body clone, takes dual fuel heads ext.-65$ Unknown 6.5 Grendel Bolt (MPI marked)-45$
  13. tenthousand

    Brownells BRN 180 FORGED Lower - WTB

      1. Want to Buy
    • Portland
    • Oregon
    Looking for a Brownells Forged BRN 180 lower. Prefer a Portland local FFL for transfer. Thank you.
  14. Z

    WTB BRN 180 300BLK Upper

      1. Want to Buy
    • Bellevue
    • Washington
    Looking to buy a BRN-180 S or gen 2. Prefer 300blk 10.5" one.
  15. .45's and .38's

    BRN 180S Pistol - 10.3” 5.56

      1. For Sale
      2. For Trade
    • $1000
    • Portland
    • Oregon
    Brownells BRN 180S pistol upper 10.3” Paired with a spikes unicorn lower Plugged the back with KNS 1913 rail adaptor This is all unfired and this gun is truly buttery smooth. Very cool with the upwards dogleg charging handle. These are my favorite as they are short stroke piston operated and do...
  16. Larsoc

    BRN 180 upper

      1. Want to Buy
      2. Want to Trade For
    • Portland
    • Oregon
    Hey looking for a brn 180 upper, preferably 10.5 in 5.56.
  17. Ruggedbert

    BRN 180S 10.5” .223 Wylde Gen 2 Complete Upper w/ extras

      1. For Sale
    • $700
    • Clackamas
    • Oregon
    Ran 240 rounds without issue. Included are a 2A Armament T3 Titanium compensator (installed via shims), BCM angled foregrip, BCM rail panels, and factory box/papers. Factory flash hider included as well. $750 picked up from Clackamas/Happy Valley. $700 without the titanium compensator, AFG...
  18. F

    Brownells Brn 605 dissapator Retro 1965

      1. For Sale
    • $1200
    • Hillsboro
    • Oregon
    Looks exactly like this… posted this a few weeks ago but got the model wrong Xfer near Beaverton Pm phone number for more pics
  19. HANKYPANKY

    BRN 180S Gen2 10.5inch 223 Wylde

      1. For Sale
    • $700
    • Roseburg
    • Oregon
    This is a BRN-180S GEN-2 complete upper receiver it has a 223 Wylde barrel, it also includes: *SB tactical folding buffer tube adaptor *buffer tube picatinny adaptor (lower receiver, buffer tube and brace not included) I fired two 30 round mags through without issue and then moved on to my next...
  20. HANKYPANKY

    BRN 180s Upper 10.5 223 wylde

      1. For Sale
    • $750
    • Roseburg
    • Oregon
    Here it is, The BRN 180s in 223 Wylde with a 10.5 inch barrel. I have only shot two 30 rounds mags with this upper.
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