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5.56x45 AR Parts

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Patriot Ordnance Factory Minuteman Complete Upper 5.56x45mm NATO 16.50" Black Nitride Barrel Aluminum Patriot Brown Receiver 14.50" M-LOK Handguard Lo Pro DI Gas Block (Mid Length)

Patriot Ordnance Factory Minuteman Complete Upper 5.56x45mm NATO 16.50" Black Nitride Barrel Aluminum Patriot Brown Receiver 14.50" M-LOK Handguard Lo Pro DI Gas Block (Mid Length)

$927 70
In Stock
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TacFire .223/5.56 NATO 16" AR-15 Complete Upper Receiver with BCG

TacFire .223/5.56 NATO 16" AR-15 Complete Upper Receiver with BCG
$294 99 $339.99
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Tacfire AR-15 Pistol Kit 5.56x45mm 7.5" Barrel - PK556-LPK-7

Tacfire AR-15 Pistol Kit 5.56x45mm 7.5" Barrel - PK556-LPK-7
$299 99 $349.99
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CMMG S5CA642 Zeroed Lower Parts Kit Black Grip, Ambi Safety & Mag Catch, Mil-Spec Trigger, Fits AR-Platform/Mk4

CMMG S5CA642 Zeroed Lower Parts Kit Black Grip, Ambi Safety & Mag Catch, Mil-Spec Trigger, Fits AR-Platform/Mk4

$99 08
In Stock
FightLite MCR-556-DFRS Upper Receiver 5.56 NATO 12.5" Black

FightLite MCR-556-DFRS Upper Receiver 5.56 NATO 12.5" Black

$6599 99
In Stock
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Yankee Hill 431528A Mini QD Flash Hider Black Phosphate Steel with 1/2"-28 tpi Threads & 2.13" OAL for 5.56x45mm NATO AR-Platform

Yankee Hill 431528A Mini QD Flash Hider Black Phosphate Steel with 1/2"-28 tpi Threads & 2.13" OAL for 5.56x45mm NATO AR-Platform

$99 75
In Stock
Yankee Hill 431536A Mini QD Flash Hider Black Phosphate Steel with 1/2"-36 tpi Threads & 2.13" OAL for 5.56x45mm NATO AR-Platform

Yankee Hill 431536A Mini QD Flash Hider Black Phosphate Steel with 1/2"-36 tpi Threads & 2.13" OAL for 5.56x45mm NATO AR-Platform

$95 18
In Stock
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Yankee Hill 4315M13LA Mini QD Flash Hider Black Phosphate M13x1 LH Threads & 2.13" OAL for 5.56x45mm NATO AR-Platform

Yankee Hill 4315M13LA Mini QD Flash Hider Black Phosphate M13x1 LH Threads & 2.13" OAL for 5.56x45mm NATO AR-Platform
$99 75
In Stock
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LBE ARA2FH AR15 AR Bird Cage Flash Hider 556

LBE ARA2FH AR15 AR Bird Cage Flash Hider 556

$10 08
In Stock
Tacfire 5.56x45mm 10.5" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, M-LOK Handguard - BU-556-10

Tacfire 5.56x45mm 10.5" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, M-LOK Handguard - BU-556-10
$279 99 $319.99
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LBE Unlimited ARUPPER AR-15 Upper Receiver 5.56x45mm NATO 7075-T6 Aluminum Black Finish 0" Barrel

LBE Unlimited ARUPPER AR-15 Upper Receiver 5.56x45mm NATO 7075-T6 Aluminum Black Finish 0" Barrel

$104 99 $119.99
In Stock
CMMG 55BB40BAB Resolute MK4 5.56x45mm NATO 16.10", Armor Black, M-LOK Free-Float Handguard for AR-Platform (No BCG or Charging Handle)

CMMG 55BB40BAB Resolute MK4 5.56x45mm NATO 16.10", Armor Black, M-LOK Free-Float Handguard for AR-Platform (No BCG or Charging Handle)

$479 93
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Gemtech 13833 Gvac Upper Receiver 5.56x45mm NATO 16.10", Black, 15" M-LOK Handguard, ETM Flash Hider, BCG Included

Gemtech 13833 Gvac Upper Receiver 5.56x45mm NATO 16.10", Black, 15" M-LOK Handguard, ETM Flash Hider, BCG Included

$879 00
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Diamondback DB Barrel 556C16H50B8NYR 16" 5.56x45mm NATO Chrome Moly Vanadium Black Nitride AR-15 Compatible

Diamondback DB Barrel 556C16H50B8NYR 16" 5.56x45mm NATO Chrome Moly Vanadium Black Nitride AR-15 Compatible

$98 80
In Stock
Diamondback DB Barrel 556C16M50B8R 16" 5.56x45mm NATO Black Nitride 4150 CMV Steel AR-15 Carbine-Length

Diamondback DB Barrel 556C16M50B8R 16" 5.56x45mm NATO Black Nitride 4150 CMV Steel AR-15 Carbine-Length
$98 80
In Stock
Diamondback DB Barrel 556C16MF50B8R 16" 5.56x45mm NATO 4150 Chrome Moly Vanadium Black Nitride AR-15

Diamondback DB Barrel 556C16MF50B8R 16" 5.56x45mm NATO 4150 Chrome Moly Vanadium Black Nitride AR-15

$98 80
In Stock
Diamondback DB Barrel 556P7H50B8R 7" 5.56x45mm NATO 4150 Chrome Moly Black Nitride AR-15 Pistol-Length

Diamondback DB Barrel 556P7H50B8R 7" 5.56x45mm NATO 4150 Chrome Moly Black Nitride AR-15 Pistol-Length

$81 93
In Stock
Diamondback DB Barrel 556C10M50B8R 10" 5.56x45mm NATO 4150 CMV Black Nitride AR-15 Carbine-Length

Diamondback DB Barrel 556C10M50B8R 10" 5.56x45mm NATO 4150 CMV Black Nitride AR-15 Carbine-Length

$93 98
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CMC Triggers AR Barrel BBL556003 16" 5.56 NATO 4150 CrMoV Black Nitride AR-15 Compatible.

CMC Triggers AR Barrel BBL556003 16" 5.56 NATO 4150 CrMoV Black Nitride AR-15 Compatible.

$224 10
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Gemtech 13815 5.56 ETM Flash Hider 1/2-28

Gemtech 13815 5.56 ETM Flash Hider 1/2-28

$69 00
In Stock
Gemtech 13816 5.56 ETM Muzzle Brake 1/2-28

Gemtech 13816 5.56 ETM Muzzle Brake 1/2-28

$69 00
In Stock
CMC Triggers BBL556001 7.5" 5.56 NATO Chrome Moly Vanadium Steel Button Rifled Blacknitride Barrel AR-15.

CMC Triggers BBL556001 7.5" 5.56 NATO Chrome Moly Vanadium Steel Button Rifled Blacknitride Barrel AR-15.

$162 00
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Cobalt Kinetics CK-Pro 6.75" Stripped Upper Receiver Group - CKPROURG675SBLK

Cobalt Kinetics CK-Pro 6.75" Stripped Upper Receiver Group - CKPROURG675SBLK

$775 99
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Lead & Steel LS556PEN-MID-16 16" 5.56mm Pencil Profile 4150 CMV QPQ Nitride Mid-Length AR-15 Barrel

Lead & Steel LS556PEN-MID-16 16" 5.56mm Pencil Profile 4150 CMV QPQ Nitride Mid-Length AR-15 Barrel

$99 89
In Stock
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