Gunprime Logo
  • Login
  •  
  • Firearms
    • Pistols
    • Rifles
    • Shotguns
    • Receiver
    • Class 3
    • SBR
  • Deals
  • AK-47
  • Ammo
  • AR-15
  • Best Concealed Carry Guns
  • Collectible
  • Competition
  • Home Defense
  • Rebates
  • Shop All Guns
  • 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. 1,152 results
    Calibers: 5.56x45 (5.56 NATO)

Sale!
COPY OF Ruger AR-556 556 Nato Magpul FDE 16" Barrel 8507
COPY OF Ruger AR-556 556 Nato Magpul FDE 16" Ba...
1 stars
2 stars
3 stars
4 stars
5 stars
(1)

$699.00 $648.00 Out of Stock
Sig Sauer MCX Rattler 5.56 5.5" .223 PMCX-5B-TAP-NB New Free shipping
Free Shipping!
Sig Sauer MCX Rattler 5.56 5.5" .223 PMCX-5B-TA...

$2,499.99 Out of Stock
Sale!
Used
LMT 10.5" Upper with quad rail 5.56 Lewis Machine and Tool Used
LMT 10.5" Upper with quad rail 5.56 Lewis Machi...

$989.00 $799.99 Out of Stock
7% off MSRP
Colt Defense M4 Carbine .223 16.1" Barrel Geissele 13" MK4 Rail LE6920-FBP2
Colt Defense M4 Carbine .223 16.1" Barrel Geiss...

$1,699.00 $1,579.00 Out of Stock
Sale!
 Springfield Armory Saint 5.56 AR-15 ST916556BMALC
Springfield Armory Saint 5.56 AR-15 ST916556BMALC

$1,099.00 $949.00 Out of Stock
Colt M4 Carbine Black Magpul CR6920MPS-B 6920 5.56 .223
Colt M4 Carbine Black Magpul CR6920MPS-B 6920 5...

$1,199.99 Out of Stock
Sale!
25% off MSRP
Ruger mini 14 Speckled brown 5.56 hardwood mini-14 5889 New
Ruger mini 14 Speckled brown 5.56 hardwood mini...

$1,339.00 $999.00 Out of Stock
GRIFFIN ARMAMENT M4SD 2
GRIFFIN ARMAMENT M4SD 2

$995.00 Out of Stock
Sale!
Radical Firearms RF-15 556 Nato 16" Barrel Optics Ready RF01622
Radical Firearms RF-15 556 Nato 16" Barrel Opti...
1 stars
2 stars
3 stars
4 stars
5 stars
(32)

$599.00 $399.00 Out of Stock
Sale!
BCM Bravo Company RECCE-16 KMR-A 556 Nato BRONZE KeyMod BCM750-790-BRZ
BCM Bravo Company RECCE-16 KMR-A 556 Nato BRONZ...

$1,799.00 $1,649.00 Out of Stock
Andro Corp Trump Cerakote Tungsten distress 5.56 16" Bravo AR15 55616BBTRMP
Andro Corp Trump Cerakote Tungsten distress 5.5...

$1,299.00 Out of Stock
CGS HELIOS QD Ti 5.56/.223 SUPPRESSOR
CGS HELIOS QD Ti 5.56/.223 SUPPRESSOR

$1,650.00 Out of Stock
  • « First
  • ‹ Prev
  • …
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • Next ›
  • Last »

Featured Products

Sale!
51% off MSRP
Ruger 57 Pistol 5.7X28mm 20 Round Capacity Five-Seven 16401
Ruger 57 Pistol 5.7X28mm 20 Round Capacity Five...
1 stars
2 stars
3 stars
4 stars
5 stars
(21)

$599.00 $389.00 Add to Cart
Sale!
43% off MSRP
Bul Armory Cherokee Compact 9mm 17 Round Capacity 30101CH
Bul Armory Cherokee Compact 9mm 17 Round Capaci...
1 stars
2 stars
3 stars
4 stars
5 stars
(46)

$379.96 $299.00 Add to Cart
Sale!
Kimber 1911 Stainless LW Night Guard 9mm + FREE HOLSTER $69 Value
Kimber 1911 Stainless LW Night Guard 9mm + FREE...
1 stars
2 stars
3 stars
4 stars
5 stars
(10)

$799.00 $559.00 Add to Cart
Sale!
39% off MSRP
Kel-tec Sub 2000 Gen 2 9mm Glock 17 Keltec Sub2000
Kel-tec Sub 2000 Gen 2 9mm Glock 17 Keltec Sub2...
1 stars
2 stars
3 stars
4 stars
5 stars
(59)

$549.00 $366.00 Add to Cart
Recommended for You

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

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

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

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.