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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 $59.99
Davidson Defense
Davidson Defense "Satellite" 5.56x45mm 16.5" QPQ Nitride Medium Profile AR-15 Barrel
$89.99 $64.99
Bear Creek Arsenal
Bear Creek Arsenal "Irithyll" AR-15 AR Pistol Barrel 7.5" Contour Barrel 1-7 Twist 5.56 NATO Manganese Phosphate Finish
$69.99 $49.99
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
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
$379.99 $284.99
Bear Creek Arsenal
Bear Creek Arsenal "Spriggan" AR-15 7.5" Pistol Barrel, 1:7 Twist .223 Wylde, Contour Barrel with Phosphate Finish
$54.99 $39.99
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
$149.99 $109.99
Davidson Defense AR-15 Complete 5.56 NATO BCG, Radius Cut, 9310 Bolt, Nitride Gas Key, Flash Nitride Firing Pin, TiN Gold Finish
Davidson Defense AR-15 Complete 5.56 NATO BCG, Radius Cut, 9310 Bolt, Nitride Gas Key, Flash Nitride Firing Pin, TiN Gold Finish
$134.99 $89.99
LANCER L5AWM AR-15 .223REM/5.56NATO 30RD TRANSLUCENT SMOKE Magazine - 3 Pack
LANCER L5AWM AR-15 .223REM/5.56NATO 30RD TRANSLUCENT SMOKE Magazine - 3 Pack
$79.99 $59.99

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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 [106]

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Faxon Firearms AR-15 11.5
Faxon Firearms AR-15 11.5" Gunner, 5.56 NATO, Mid-Length, .625 Gas, 4150 QPQ, 1-8T Barrel
$159.99 $119.99 Sale
Out of Stock
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Faxon Firearms AR-15 16
Faxon Firearms AR-15 16" Gunner, 5.56 NATO, Mid-Length, .625 Gas, 4150 QPQ, 1-8T Barrel
$224.99 $169.99 Sale
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Faxon Firearms AR-15 18
Faxon Firearms AR-15 18" Gunner, 5.56 NATO, Rifle-Length, .625 Gas, 4150, Nitride, 1-8T Barrel
$189.99 $139.99 Sale
Out of Stock
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Davidson Defense 18
Davidson Defense 18" 223 Wylde 416R Stainless Steel Spiral Fluted Heavy Barrel, Mid-Length Gas 1:8 Twist, 1/2x28
$154.99 $114.99 Sale
In Stock
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Davidson Defense
Davidson Defense "Zero Motivation" AR-15 Pistol Upper Receiver 7.5" 5.56 NATO 416R Stainless 1-7T Barrel 7" Smooth Tube Handguard (Assembled or Unassembled)
$169.99 $124.99 Sale
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Ballistic Advantage 10.5
Ballistic Advantage 10.5" 5.56 Government Profile Carbine Length Barrel
$179.99 $134.99 Sale
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3 Gun Labs Inc. AR-15 LMB Low Mass Aluminum 5.56 Nato .223 Rem 300 BLK OUT (BCG) Bolt Carrier Group **Very Durable Plasma Finish- Gold**
3 Gun Labs Inc. AR-15 LMB Low Mass Aluminum 5.56 Nato .223 Rem 300 BLK OUT (BCG) Bolt Carrier Group **Very Durable Plasma Finish- Gold**
$299.99 $139.99 Sale
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Magpul AR-15 MOE Stock and Grip Finish Your Rifle Build Kit - 5.56/.223/.300/.350
Magpul AR-15 MOE Stock and Grip Finish Your Rifle Build Kit - 5.56/.223/.300/.350
$314.99 $199.99 Sale
In Stock
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ELD Performance
ELD Performance "Magnum" AR-15 24" .223 Wylde, Rifle Gas, .875 Gas, HBar, 1-8 T, Bull Barrel
$139.99 $119.99 Sale
Out of Stock
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MMC Arms
MMC Arms "Rat-Tat-Tat" AR-15 Pistol Featuring Davidson Defense Upper Receiver 7.5" 5.56 NATO 416R Stainless 1-7T Barrel 7" M-Lok Handguard (Assembled or Unassembled)
$294.99 $224.99 Sale
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Lancer, Magazine, AR-15 L5 Advanced Warfighter, .223/5.56, 30Rd, Translucent Purple
Lancer, Magazine, AR-15 L5 Advanced Warfighter, .223/5.56, 30Rd, Translucent Purple
$29.99 $21.99 Sale
Out of Stock
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Davidson Defense
Davidson Defense "Scaup" AR-15 Pistol Upper Receiver 7.5" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 7" M-Lok Handguard (Assembled or Unassembled)
$234.99 $179.99 Sale
Out of Stock
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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 Sale
In Stock
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Magpul Industries, M2 With Window, .223 Rem/5.56 NATO, 30Rd Magazine
Magpul Industries, M2 With Window, .223 Rem/5.56 NATO, 30Rd Magazine
$19.99 $15.99 Sale
In Stock
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MMC Arms Top Shelf
MMC Arms Top Shelf "Lynx" AR-15 Featuring Davidson Defense Upper Receiver 18" Faxon Firearms 5.56 NATO 4150 CMV QPQ Nitride 1-8T Barrel 17.5" KeyMod ODIN Works Handguard (Assembled or Unassembled)
$494.99 $374.99 Sale
Out of Stock
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Davidson Defense
Davidson Defense "Fregata" AR-15 Pistol Upper Receiver 10.5" 5.56 NATO 4150 CMV 1-7T Barrel 12" M-Lok Handguard (Assembled or Unassembled)
$214.99 $159.99 Sale
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Davidson Defense
Davidson Defense "Giga Wing" AR-15 Pistol Upper Receiver 10.5" 5.56 NATO 4150 CMV 1-8T Barrel 12" M-Lok Handguard (Assembled or Unassembled)
$199.99 $149.99 Sale
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Davidson Defense
Davidson Defense "Regiment" AR-15 Pistol Upper Receiver 11.5" 5.56 NATO 4150 CMV 1-7T Barrel Carbine Length Drop-In Handguard (Assembled or Unassembled)
$179.99 $134.99 Sale
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Davidson Defense
Davidson Defense "Blade Eagle" AR-15 Upper Receiver 24" 5.56 NATO 416R Stainless 1-9T Target Crowned Bull Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$254.99 $189.99 Sale
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Davidson Defense
Davidson Defense "Joust" Side Charging AR-15 Upper Receiver 20" 5.56 NATO 416R Stainless 1-9T Target Crowned Bull Barrel 15" KeyMod Handguard (Assembled or Unassembled)
$444.99 $334.99 Sale
Out of Stock
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Davidson Defense
Davidson Defense "Themis" AR-15 Upper Receiver 24" 5.56 NATO 416R Stainless 1-9T Target Crowned Bull Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$249.99 $189.99 Sale
Out of Stock
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Mercury Precision
Mercury Precision "Pod" AR-15 7.5" 5.56 NATO 4150 CMV QPQ Nitride Barrel
$84.99 $64.99 Sale
Out of Stock
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MMC Arms Top Shelf
MMC Arms Top Shelf "Hognose" AR-15 Featuring Aero Precision Upper Receiver 18" Faxon Firearms 5.56 NATO 4150 CMV QPQ Nitride 1-8T Barrel 15" Unique AR Handguard (Assembled or Unassembled)
$844.99 $634.99 Sale
Out of Stock
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Davidson Defense
Davidson Defense "Huckleberry" AR-15 Upper Receiver 20" 5.56 NATO 4150 CMV QPQ Nitride 1-9T Heavy Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$289.99 $219.99 Sale
Out of Stock
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