Gunprime Logo
  • Login
  •  
  • Firearms
    • Pistols
    • Revolvers
    • Semi Auto
    • Single Shot
    • Other
    • Rifles
    • Bolt Action
    • Lever Action
    • Pump Action
    • Semi Auto
    • Single Shot
    • Other
    • Shotguns
    • Bolt Action
    • Lever Action
    • Over Under
    • Pump Action
    • Semi Auto
    • Side By Side
    • Single Shot
    • Other
    • Receiver
    • Class 3
    • SBR
  • Deals
  • AK-47
  • Ammo
  • AR-15
  • Best Concealed Carry Guns
  • Collectible
  • Competition
  • Home Defense
  • Search
  • Login
  1. Home  
  2. Products  
  3. Caliber  
  4. 5.56x45 (5.56 NATO)  
Filters

Filter by Condition

Filter by Availability

Filter by Price

  • 0
    3500
  • $
  • $

Filter by Categories

Filter by Manufacturer

    View All
    Show Less

Filter by Caliber

    View All
    Show Less

Price Range

Pages

  • A Guide to FN Herstal Firearms
  • Your Guide to Beretta Firearms
  • A Quick Guide to Smith & Wesson
  • Your Guide to KelTec Firearms
  • A Guide to Walther Arms
  • Your Guide to Century Arms Firearms
  • Current FFL
  • CMMG
  • About

  1. 1,147 results
    Calibers: 5.56x45 (5.56 NATO)

Sale!
Winchester USA 5.56x45 Ammo 55 grain M193 FMJ Case of 1000 Rounds Bulk WM193K
Winchester USA 5.56x45 Ammo 55 grain M193 FMJ C...
(1)

$599.00 $569.00 Out of Stock
Sale!
Used
USED Palmetto State Armory 5.56 10.5" AR Pistol SBA3 Brace
USED Palmetto State Armory 5.56 10.5" AR Pistol...

$449.00 $419.00 Out of Stock
Sale!
Sig Sauer M400 556 Nato Tread AR Pistol PM400-11B-TRD
Free Shipping!
Sig Sauer M400 556 Nato Tread AR Pistol PM400-1...
(3)

$999.99 $899.00 Out of Stock
Winchester USA 5.56x45 (5.56 NATO) Ammo 55 grain M193 FMJ 150 Rounds (5-30 rd boxes) WM193CP
Winchester USA 5.56x45 (5.56 NATO) Ammo 55 grai...

$109.99 Out of Stock
Sale!
Winchester USA Valor Series 5.56x45 Ammo 62 grain M855 Green Tip FMJ 1000 Rounds Bulk (8 Boxes of 125) USA855125
Winchester USA Valor Series 5.56x45 Ammo 62 gra...
(2)

$629.00 $599.00 Out of Stock
Sale!
Winchester Lake City 5.56 NATO Ammo 62 grain M855 Green Tip FMJ Case of 840 Rounds Stripper Clips (2-420 rd Ammo Cans) Bulk WM855420CS
Winchester Lake City 5.56 NATO Ammo 62 grain M8...
(5)

$499.00 $475.00 Out of Stock
Sale!
44% off MSRP
G.P. Bundle Radical Firearms RF-15 556 Nato 7"  FP7.5-5.56M4-7RPR AR15 Pistol Red Dot Light 3x30rd Mags
G.P. Bundle Radical Firearms RF-15 556 Nato 7" ...

$519.00 $417.00 Out of Stock
Sale!
Ruger AR-556 AR Pistol 556 Nato 10.5" Barrel 9" MLOK Handguard 8570 AR-15
Ruger AR-556 AR Pistol 556 Nato 10.5" Barrel 9"...
(3)

$1,199.00 $899.00 Out of Stock
Sale!
Used
(1) Used Rock River LAR-15 A3 M4 556 NATO 16" Barrel Restricted Government Markings
(1) Used Rock River LAR-15 A3 M4 556 NATO 16" B...
(1)

$699.00 $499.00 Out of Stock
Sale!
Radical Firearms RF-15 556 Nato 16" Barrel Optics Ready RF01622
Radical Firearms RF-15 556 Nato 16" Barrel Opti...
(52)

$599.00 $399.00 Out of Stock
Ruger AR 556 CFDE 5.56 NATO MAGPUL 08509 AR-556 AR556
Ruger AR 556 CFDE 5.56 NATO MAGPUL 08509 AR-556...

$999.99 Out of Stock
Sale!
Used
Used HK Heckler & Koch MR556A1 556 Nato Aimpoint CompM4 3X Magnifier Geissele SMR
Used HK Heckler & Koch MR556A1 556 Nato Aimpoin...
(1)

$3,799.00 $3,549.00 Out of Stock
  • « First
  • ‹ Prev
  • …
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • …
  • Next ›
  • Last »

Featured Products

Sale!
Ruger LCP 380 ACP 2.75" 03701
Ruger LCP 380 ACP 2.75" 03701
(22)

$249.00 $229.00 Add to Cart
Sale!
Henry Golden Boy Silver Youth 22 LR H004SY
Henry Golden Boy Silver Youth 22 LR H004SY
(2)

$549.00 $449.00 Add to Cart
Sale!
Rock River LAR-15 Entry Tactical 556 NATO AR-15 with Red Dot Optic AR1256
Rock River LAR-15 Entry Tactical 556 NATO AR-15...
(1)

$1,299.00 $799.00 Add to Cart
Sale!
Factory Blem Beretta M9A4-G Centurion 9mm FDE 18 Round Capacity J92QM9A4G18BLM
Factory Blem Beretta M9A4-G Centurion 9mm FDE 1...
(18)

$1,099.00 $749.00 Add to Cart
Recommended for You

Bul Armory Cherokee Compact 9mm 17 Round Capacity 30101CH
Bul Armory Cherokee Compact 9mm 17 Round Capacity 30101CH
$299.00

Henry Golden Boy Silver Youth 22 LR H004SY
Henry Golden Boy Silver Youth 22 LR H004SY
$449.00

CCI Blazer 9mm Luger Ammo 115 grain FMJ Case of 1000 Rounds 5200
CCI Blazer 9mm Luger Ammo 115 grain FMJ Case of 1000 Rounds 5200
$229.00

Ruger LCP 380 ACP 2.75" 03701
Ruger LCP 380 ACP 2.75" 03701
$229.00

Kel-tec Bundle Sub 2000 Gen 2 9mm Glock 17 w/ Drago Pro Gear Backpack & 2 35 Round Mags Sub2000
Kel-tec Bundle Sub 2000 Gen 2 9mm Glock 17 w/ Drago Pro Gear Backpack & 2 35 Round Mags Sub2000
$439.00

Factory Blem Beretta M9A4-G Centurion 9mm FDE 18 Round Capacity J92QM9A4G18BLM
Factory Blem Beretta M9A4-G Centurion 9mm FDE 18 Round Capacity J92QM9A4G18BLM
$749.00

Buy With Confidence

All firearms ship from our APPROVED FFL Dealers.
Contact Us

info@gunprime.com
Gunprime
Contact Us
‪(205) 649-1664‬
Links

Privacy Policy

Terms of Use

Sell your gun

Sell on Gunprime

Current FFL

Important information regarding ammo orders

Hours

Monday - Friday: 9am - 5pm

Saturday & Sunday: Closed

Subscribe to our mailing list

Blog

Meet the Q Boombox: The Loudest Statement in 8.6 Blackout

Meet the Smith & Wesson SPEC SERIES V: M&P®9 METAL HD

Meet the Mossberg 990 Aftershock: The Semi-Auto Shockwave Redefined

Meet the CZ Shadow 2 Carry: Born from Sport, Built for EDC

Warzone Meta Build of the Month: SWAT 5.56


View more articles

Manufacturers
Benelli , Beretta , Browning , Colt , CZ , FN , Glock , HK , IWI , Kel-tec , Kriss , LWRC , Mossberg , Sig Sauer , Smith & Wesson , Springfield Armory , Steyr Arms , Walther
While every effort is made to include accurate and correct images, descriptions and pricing for all products, inadvertent errors may occur. Gunprime reserves the right to modify or change pricing information or descriptions without notice. If you have a question about an item, please call or e-mail for more information before placing your order. In store pick-ups will have a transfer fee.
Copyright © 2025 | GUNPRIME.COM

Send us a Message.