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. 1,148 results
    Calibers: 5.56x45 (5.56 NATO)

Sale!
Used
Used ZEV Technologies AR-15 Core Elite 223/5.56 AR15CE556105B
Used ZEV Technologies AR-15 Core Elite 223/5.56...

$1,826.72 $1,649.00 Out of Stock
Palmetto State Armory PSA Classic Freedom AR-15 508052
Palmetto State Armory PSA Classic Freedom AR-15...

$495.00 Out of Stock
Sale!
LWRC IC-A5 556 Nato M6A5-IC 16" Barrel Magpul Sights ICA5R5B16MS
LWRC IC-A5 556 Nato M6A5-IC 16" Barrel Magpul S...
(1)

$2,499.00 $1,869.00 Out of Stock
Diamondback DB15 556 Nato 16" Barrel 10 Round Capacity DB15USB-CA
Diamondback DB15 556 Nato 16" Barrel 10 Round C...

$799.00 Out of Stock
Diamondback DB15 556 Nato AR Pistol 10" Barrel DB15PD10B
Diamondback DB15 556 Nato AR Pistol 10" Barrel ...

$999.00 Out of Stock
Sale!
Colt 6920 A3 M4 Carbine 556 Nato AR 15 16" Barrel CR6920
Colt 6920 A3 M4 Carbine 556 Nato AR 15 16" Barr...
(13)

$1,195.00 $999.00 Out of Stock
Diamondback DB15 556 Nato AR Pistol 7" Barrel DB15PD7B
Diamondback DB15 556 Nato AR Pistol 7" Barrel D...

$999.00 Out of Stock
BCM Bravo Company RECCE-16 KMR-A 556 Nato KeyMod 16" Barrel BCM750-790
BCM Bravo Company RECCE-16 KMR-A 556 Nato KeyMo...
(1)

$1,549.00 Out of Stock
Sale!
Used
Used Eagle Arms Eagle 15 AR15 223 Wylde 16" 1:8 30 rd
Used Eagle Arms Eagle 15 AR15 223 Wylde 16" 1:8...

$699.00 $649.00 Out of Stock
Used
Colt LE6920 Law Enforcement Carbine Restricted Mark LE Prefix
Colt LE6920 Law Enforcement Carbine Restricted ...

$2,999.00 Out of Stock
Diamondback DB-15 Pistol 556 Nato 10" Barrel W/ SBA3 DB15PCML10SB3
Diamondback DB-15 Pistol 556 Nato 10" Barrel W/...

$999.00 Out of Stock
H&K Heckler & Koch MR556 556 Nato 16" Barrel MLok Handguard 81000533
H&K Heckler & Koch MR556 556 Nato 16" Barrel ML...

$3,999.00 Out of Stock
  • « First
  • ‹ Prev
  • …
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • …
  • 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!
43% off MSRP
Bul Armory Cherokee Compact 9mm 17 Round Capacity 30101CH
Bul Armory Cherokee Compact 9mm 17 Round Capaci...
(45)

$379.96 $299.00 Add to Cart
Sale!
27% off MSRP
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/ D...
(1)

$763.00 $439.00 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

Ruger 57 Pistol 5.7X28mm 20 Round Capacity Five-Seven 16401
Ruger 57 Pistol 5.7X28mm 20 Round Capacity Five-Seven 16401
$389.00

STI Staccato XC 9mm Optics Ready CS Frame DLC Compensated Barrel
STI Staccato XC 9mm Optics Ready CS Frame DLC Compensated Barrel
$4,299.00

Kimber 1911 Stainless LW Night Guard 9mm + FREE HOLSTER $69 Value
Kimber 1911 Stainless LW Night Guard 9mm + FREE HOLSTER $69 Value
$559.00

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 with Red Dot Optic AR1256
$799.00

Kel-tec Sub 2000 Gen 2 9mm Glock 17 Keltec Sub2000
Kel-tec Sub 2000 Gen 2 9mm Glock 17 Keltec Sub2000
$366.00

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

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.