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223 556

The .223 Remington is a rifle cartridge, originally developed in 1957 as a commercial hunting bullet for small mid-western varmints; with the first rifle chambered for it coming out in 1963. It has continued to be a popular civilian hunting cartridge.
A military version, M193, with a 55-gr full metal jacket bullet was used by the United States Army in the M16 rifle. The 5.56×45mm NATO was also developed from the .223 Remington.

View More On Wikipedia.org
Recent contents
  1. C

    223 and 556 ammo

      1. For Sale
    • $2400
    • Post Falls
    • Idaho
    3400 rounds looking to get $2400 pick up in Post Falls Idaho
  2. S4Lifer

    New - PSA PA-15 W/ Stainless Steel Barrel, Magpul Sights, Keymod Free Float Rail

      1. For Sale
      2. For Trade
    • $450
    • Portland / Happy Valley
    • Oregon
    Best $480 AR you’ll find. Not a blem build. Super clean and ready to go with not a whole lot to say. Just an extra rifle for me that I never took out to the range. Cash only. We can work out which FFL to meet at for the transfer. Buyer covers their transfer cost of course. 18” Stainless Barrel...
  3. S4Lifer

    New - PSA PA-15 W/ Stainless Steel Barrel, Magpul Sights, Keymod Free Float Rail

      1. For Sale
      2. For Trade
    • $600
    • Portland / Happy Valley
    • Oregon
    Like the title states. Not a blem build. Super clean and ready to go with not a whole lot to say. Just an extra rifle for me that I never took out to the range. Cash only. We can work out which FFL to meet at for the transfer. Buyer covers their transfer cost of course. I would take a trade...
  4. Glockstar

    5.56 and 223 $10 per box of 20 or $13 per box of 30 rounds

      1. For Sale
    • $10
    • Portland
    • Oregon
    30 round boxes (see Photos) $13 each 5.56 (18 available) generic white box. 20 round boxes American Eagle/PMC 55gr FMJ (8 available) I’m trying to sell these as quickly as possible. If you could share this link with your friends that would be awesome!
  5. Gotyoursix

    IOR Valdada 3x25 Illuminated 3x Scope With Mount

      1. For Sale
    • $5
    • potland
    • Oregon
    Hello All, I have a lightly used IOR Valdada 3x25 Illuminated 3x Scope With Mount & Scope for sale. What you see is what you are buying. Fantastic Scope very clear glass and excellent 3/4 horseshoe retical with The illumination settings are excellent. Very similar to an ACOG in form and use...
  6. taku1946

    Make fair offer - BATCH AMMO 223 / 5.56 AMMO $10 ea 5.56 and $20 ea for match grade 223 BATCH FOR ALL $160 Has to be first come.

      1. For Sale
    • $160
    • Oregon City
    • Oregon
    Another Batch. Getting low now. 10 Boxes total. Batch Sale 4 Boxes of 5.56 M193 Ball 55gr Boat Tail XM193F AND 6 Boxes 223 Gold Medal Match. 69 gr Boat Tail Hollow Point These normally retail for about $27 each in good times. Outstanding match grade ammo. Anyway 200 RDS total and all good...
  7. taku1946

    223 / 5.56 AMMO $10 ea 5.56 and $20 ea for match 223 BATCH FOR ALL $80

      1. For Sale
    • $80
    • Oregon City
    • Oregon
    6 Boxes total. Batch Sale 4 Boxes of 5.56 M193 Ball 55gr Boat Tail XM193F AND 2 Boxes 223 Gold Medal Match. 69 gr Boat Tail Hollow Point These retail for about $27 each.
  8. shlo812

    Magpul D-60 223-5.56 drum

      1. For Sale
    • $100
    • Chehalis
    • Washington
    For sale is 1 Magpul D-60 drum in 223/5.56 caliber. It's brand new in the packaging. $100 cash price. Meet in Centralia/Chehalis.
  9. B

    Ar15 with a 16inch barrel 223/556

      1. For Sale
    • $550
    • Portland
    • Oregon
    Ar15 with a 16 inch barrel, bush bell red dot and tacticon magnifier, only been fired a couple of times. I just need to pay my rent. Thank you.. buyer pays for transfer

  10. 1000 small rifle primers and 1000 223 556 brass cci no. 41 $150

      1. For Sale
    • $150
    • Battle Ground
    • Washington
    1000 cci no. 41 1000 223/556 brass mix of comercial and military. Brass is cleaned but not polished. Brass count by weight 14 1/4 lbs $150 for both. Firm price Pickup is in Battle Ground wa or exit 11 and I5. Could also meet M-thurs at 530pm in longview or along I5. I do sometimes travel to...
  11. bgrace5506

    Colt HBAR match target comp

      1. For Sale
    • $800
    • Albany
    • Oregon
    I have a 6700 series Colt Match Target Competition HBAR for sale. Flat top upper with removable carry handle. 100% factory rifle with a versa pod bipod adapter and 4" pic rail added under the handguard. Very accurate and reliable. $900 no trades Priced for quick sale as I just got hit with an...
  12. wavebywave

    *** SJC Titan Extreme - 556 / 223 Compensator ***

      1. For Sale
    • $120
    • Tigard
    • Oregon
    Hello all, Up for sale is a practically new (only 60 rounds fired) SJC Titan Extreme compensator. I paid $180 including shipping in mid-21. If you do some digging/research on this comp, you'll see its performance is remarkable. I would say unmatched; however, I don't know if anything else has...
  13. J

    Fiocci/GGG 55gr FMJ-Boat tail brass $25 per 50 round box.

      1. For Sale
    • $25
    • Hillsboro
    • Oregon
    All OEM/factory new. $25 per box. 800 rounds left of GGG 500 rounds left of Fiocci
  14. Kyrsen

    581**** Ruger Mini 14 Ranch

      1. For Sale
    • $1100
    • Corvallis
    • Oregon
    Mini 14 ranch, 1 mag, 100+ rounds factory brass ammo. $1100 I have two other current listings: https://www.northwestfirearms.com/threads/beretta-m9a1-upgraded.406466/ https://www.northwestfirearms.com/threads/sig-emperor-scorpion.406455/ Buy all three together and get a deal: $2400 for...
  15. Dan8989

    .556 for 9mm 500 for 500

      1. For Trade
    • $0
    • Troutdale
    • Oregon
    I have 556 green tip winchester some hornady and 40 rounds 223 federal looking to trade for 9mm round for round "NO RELOADS" factory new only defensive or fmj brass local pick up in troutdale or gresham only. 500 rounds for 500 rounds.
  16. M

    223 & 45APC brass for 9mm

      1. For Trade
    • Vancouver
    • Washington
    want to trade 223 & 45 APC Brass for 9mm Brass FTF meet up in east Vancouver Thanks Mike
  17. P

    Moving Sale - M855 62gr and freebies

      1. For Sale
    • $400
    • Kirkland
    • Washington
    Title says it all, moving, would like to lighten the move and give some freebies to those that need it in WA. Local pick up only. - At least 800 rnds of M855 (rounding down, I shot about 30, saving 100 and selling the rest with the can) - $400 - Glock locks - free - Tac belt - free - BCM hat $5...
  18. J

    .223/5.56 55gr Tulammo steel - $.40 CRP!

      1. For Sale
    • $400
    • Beaverton
    • Oregon
    .223 55gr Tulammo (steel cartridges) Factory new. Making some room in the closet. Full 1k case - $400 Or Individual 20 round boxes - $8 ea
  19. D

    340 Rounds of 223 556 AMMO /Military rounds/ hollow point

      1. For Sale
    • $280
    • Portland
    • Oregon
    340 rounds total All Brass 200 Rounds of 223 REM brass 40 Rounds of Military 556 non standard ammunition 40 Rounds of PMC Hollow Points 223 20 Rounds of Frontier 556 40 Rounds of American Eagle 223
  20. ukcatman

    Like new complete Anderson 5.56/.223/300Black BCG

      1. For Sale
    • $100
    • Redmond
    • Washington
    Like new complete Anderson 5.56/.223/300Black BCG Approximately 100 Rounds fired with it and it works perfectly. Just decided on doing something different and so I've taken that build apart. This is the unit: https://andersonmanufacturing.com/packaged-bolt-carrier-group-assembly-ar15.html...
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