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Shop By 5.56 NATO


The .223 Wylde and 5.56 NATO are the most popular calibers for the AR-15 platform. These rounds are great for a wide range of uses from military and self defense to small game hunting. It's also a very affordable option for range days.

Top Sellers

Recoil Technologies AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group *Made In The USA*
Recoil Technologies AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group *Made In The USA*
$89.99 $64.99
US Tactical Ind. Enhanced Stainless Steel 5.56/9mm Firing Pin Retainer
US Tactical Ind. Enhanced Stainless Steel 5.56/9mm Firing Pin Retainer
$4.99 $2.99
Recoil Technologies AR-15 .300 BlackOut Complete Bolt Carrier Group
Recoil Technologies AR-15 .300 BlackOut Complete Bolt Carrier Group
$99.99 $64.99
Gauntlet Arms
Gauntlet Arms "Sandel" AR-15 5.56 NATO 10.5" Inch 1-8 T Phosphate Cryo Treated Barrel
$59.99 $44.99
Gauntlet Arms
Gauntlet Arms "Sickle" AR-15 .223 Wylde 16'' HBAR Carbine-Length Gas Barrel, 4150 CMV, Manganese Phosphate, 1:8T
$69.99 $49.99
Mercury Precision
Mercury Precision "Satellite" 5.56x45mm 16.5" QPQ Nitride Medium Profile AR-15 Barrel
$84.99 $64.99
Bear Creek Arsenal
Bear Creek Arsenal "Gael" 7.5" AR-15 Pistol Barrel 5.56 NATO Stainless Steel 1-7 Twist
$54.99 $39.99
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Magpul PMAG GEN M3 AR-15 Magazine - 30 Round
Magpul PMAG GEN M3 AR-15 Magazine - 30 Round
$19.99 $14.99
MMC 'Ammophilia V2' 16-inch AR-15 5.56 NATO Nitride Rifle Full Build Kit
MMC 'Ammophilia V2' 16-inch AR-15 5.56 NATO Nitride Rifle Full Build Kit
$384.99 $289.99
Gauntlet Arms
Gauntlet Arms "Alamo" AR-15 20" 5.56 NATO, Rifle Gas, Heavy Profile, 1:7T, Phosphate Barrel
$79.99 $59.99
Davidson Defense Premium Left Handed M16 AR-15 Black Nitride Finish Bolt Carrier Group BCG
Davidson Defense Premium Left Handed M16 AR-15 Black Nitride Finish Bolt Carrier Group BCG
$279.99 $124.99
MMC Combos Adaptive Tactical AR-15 Finish Your Rifle Build Kit - 5.56/.223/.300/.350
MMC Combos Adaptive Tactical AR-15 Finish Your Rifle Build Kit - 5.56/.223/.300/.350
$274.99 $174.99
Gauntlet Arms
Gauntlet Arms "Tactical Match" AR-15 16" M4 Contour .223 Wylde 1:8 Twist Carbine Phosphate Barrel (Cryo-Treated)
$249.99 $84.99
ELD Performance AR-15 10.5
ELD Performance AR-15 10.5" "Needle" 5.56 NATO, SS, Carbine Gas, M4 Contour, 1-7 T Barrel
$59.99 $44.99

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  3. Shop By 5.56 NATO
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  • Muzzle Devices > 5.56 NATO Compatible
  • Barrels > 5.56 NATO Compatible
  • Bolt Carrier Groups > 5.56 NATO Compatible
  • Magazines > 5.56 NATO Compatible
  • Finish Your Build Kits > 5.56 NATO Compatible
  • Upper Builds > 5.56 NATO Compatible
  • Upper Build Starter Kits > 5.56 NATO Compatible

Products [187]

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Davidson Defense
Davidson Defense "Gnop!" AR-15 Left Handed Upper Receiver 16.5" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$334.99 $254.99 Sale
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Davidson Defense
Davidson Defense "Santa Fe" 16.5" AR-15 5.56 Nitride Upper Build Kit
$399.99 $249.99 Sale
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ELD Performance
ELD Performance "Moss" AR-15 18" .223 Wylde Mid Gas M4 1:7T Stainless Steel Spiral Fluted Barrel
$229.99 $174.99 Sale
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Gauntlet Arms
Gauntlet Arms "Alamo" AR-15 20" 5.56 NATO, Rifle Gas, Heavy Profile, 1:7T, Phosphate Barrel
$79.99 $59.99 Sale
In Stock
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Lancer L5AWM .223 Rem/5.56 NATO FDE AR-15 30 Round Mag, Flat Dark Earth
Lancer L5AWM .223 Rem/5.56 NATO FDE AR-15 30 Round Mag, Flat Dark Earth
$19.99 $17.99 Sale
Out of Stock
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MMC Combos MOAB Stock Finish Your Rifle Build Kit - 5.56/.223/.300/.350
MMC Combos MOAB Stock Finish Your Rifle Build Kit - 5.56/.223/.300/.350
$209.99 $154.99 Sale
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MMC Combos CQB Stock Finish Your Rifle Build Kit - 5.56/.223/.300/.350
MMC Combos CQB Stock Finish Your Rifle Build Kit - 5.56/.223/.300/.350
$199.99 $154.99 Sale
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MMC Combos Luth MBA 5 Stock Finish Your Rifle Build Kit - 5.56/.223/.300/.350
MMC Combos Luth MBA 5 Stock Finish Your Rifle Build Kit - 5.56/.223/.300/.350
$259.99 $159.99 Sale
In Stock
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Davidson Defense 'Firehound' 16-inch AR-15 5.56 NATO Parkerized Rifle Upper Build Kit
Davidson Defense 'Firehound' 16-inch AR-15 5.56 NATO Parkerized Rifle Upper Build Kit
$454.99 $344.99 Sale
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Davidson Defense 'Vali' 7.5
Davidson Defense 'Vali' 7.5" AR-15 5.56 NATO Nitride Pistol Upper Build Kit
$219.99 $164.99 Sale
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Davidson Defense 'Vali' 7.5
Davidson Defense 'Vali' 7.5" AR-15 5.56 NATO Nitride Pistol Complete Upper Build Kit
$314.99 $234.99 Sale
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MMC 'Anchor' 16
MMC 'Anchor' 16" AR-15 5.56 NATO Stainless Rifle Complete Upper Build Kit
$344.99 $259.99 Sale
In Stock
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ELD Performance 7.5
ELD Performance 7.5" 5.56, Pistol Gas, 1:7T, Nitride, 4150 CMV, Nitride Barrel
$129.99 $99.99 Sale
In Stock
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Davidson Defense 'Lightshow III - Black' 16.5
Davidson Defense 'Lightshow III - Black' 16.5" AR-15 5.56 NATO Nitride Rifle Complete Upper Build Kit
$339.99 $254.99 Sale
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Davidson Defense 'Lightshow III - Black' 16.5
Davidson Defense 'Lightshow III - Black' 16.5" AR-15 5.56 NATO Nitride Rifle Upper Build Kit
$244.99 $184.99 Sale
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Davidson Defense 'Strigoi' 16.5
Davidson Defense 'Strigoi' 16.5" AR-15 5.56 NATO Nitride Left Handed Rifle Complete Upper Build Kit
$399.99 $299.99 Sale
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Davidson Defense 'Plunker' 7.5
Davidson Defense 'Plunker' 7.5" AR-15 5.56 NATO Nitride Pistol Upper Build Kit
$239.99 $184.99 Sale
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Davidson Defense 'Plinky' 7.5
Davidson Defense 'Plinky' 7.5" AR-15 5.56 NATO Nitride Pistol Full Build Kit
$414.99 $314.99 Sale
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Davidson Defense 'El Diablo' 7.5
Davidson Defense 'El Diablo' 7.5" AR-15 5.56 NATO Nitride Pistol Upper Build Kit
$199.99 $149.99 Sale
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Davidson Defense 'El Diablo' 7.5
Davidson Defense 'El Diablo' 7.5" AR-15 5.56 NATO Nitride Pistol Complete Upper Build
$294.99 $224.99 Sale
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Davidson Defense 'Mullet' 7.5
Davidson Defense 'Mullet' 7.5" AR-15 5.56 NATO Nitride Pistol Upper Build Kit
$219.99 $164.99 Sale
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Davidson Defense 'Donlon' 10.5
Davidson Defense 'Donlon' 10.5" AR-15 5.56 NATO Nitride Drop-In Pistol Full Build Kit
$534.99 $404.99 Sale
In Stock
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Davidson Defense 'Boss Hog' 10.5
Davidson Defense 'Boss Hog' 10.5" AR-15 5.56 NATO Nitride Drop-In Pistol Full Build Kit
$534.99 $404.99 Sale
In Stock
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Davidson Defense 'Ancient One' 10.5
Davidson Defense 'Ancient One' 10.5" AR-15 5.56 NATO Nitride Drop-In Pistol Full Build Kit
$534.99 $404.99 Sale
In Stock
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