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5.56x45 Rifle Parts

Unlock the full potential of your 5.56x45 rifle with our expertly curated selection of rifle parts, designed to enhance performance and reliability in any scenario. Whether you're upgrading for precision shooting or optimizing for rugged field use, our components deliver unmatched durability and accuracy. Explore the precision-engineered offerings from Aero Precision, known for their meticulous craftsmanship and seamless integration. For those seeking versatility and adaptability, Magpul provides innovative solutions that cater to both novice and seasoned shooters. Additionally, our range includes the versatile .22 ARC components, perfect for those looking to expand their arsenal with precision and efficiency. Each part is crafted to withstand the rigors of extensive use, ensuring your rifle remains a reliable companion in any environment. Elevate your shooting experience with parts that promise superior performance and longevity.

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Franklin Armory - BFSIII M4 - Complete AR-15 Lower, M4 Stock, A2 Pistol Grip, 30 Rd Mag, Binary Trigger Factory Installed, Black Anodized Finish, - 00-20016-BLK

Franklin Armory - BFSIII M4 - Complete AR-15 Lower, M4 Stock, A2 Pistol Grip, 30 Rd Mag, Binary Trigger Factory Installed, Black Anodized Finish, - 00-20016-BLK
$431 99
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Aero Precision 14.5" 5.56 Gov CMV Barrel, Mid-Length with Pinned Gamma 556SL - APRH100067C

Aero Precision 14.5" 5.56 Gov CMV Barrel, Mid-Length with Pinned Gamma 556SL - APRH100067C

$149 99 $249.99
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Rosco Manufacturing K9 11.5" 5.56 NATO Nitride 416R Stainless Barrel for AR-15

Rosco Manufacturing K9 11.5" 5.56 NATO Nitride 416R Stainless Barrel for AR-15

$180 00
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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)

$485 45
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HuxWrx Safety Co. QD 556 Muzzle Brake 1599 Black with 1/2"-28 tpi Threads, 2.30" OAL, 5.56x45mm NATO AR-Platform

HuxWrx Safety Co. QD 556 Muzzle Brake 1599 Black with 1/2"-28 tpi Threads, 2.30" OAL, 5.56x45mm NATO AR-Platform

$143 00
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Aero Precision 13.7" 5.56 Cold Hammer Forged Barrel with Dimple, Mid-Length - APRH100822C

Aero Precision 13.7" 5.56 Cold Hammer Forged Barrel with Dimple, Mid-Length - APRH100822C

$219 99 $279.99
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Aero Precision M4E1 Threaded PRO Complete Upper with 16.3" 5.56 CHF Mid-Length Barrel and 15" ATLAS S-ONE Handguard - Anodized Black - APUG700105M103-1

Aero Precision M4E1 Threaded PRO Complete Upper with 16.3" 5.56 CHF Mid-Length Barrel and 15" ATLAS S-ONE Handguard - Anodized Black - APUG700105M103-1
$1029 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

$109 14
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Aero Precision M4E1 Threaded 8" 5.56 Complete Upper Receiver with 7" M-LOK ATLAS R-ONE Handguard - Anodized Black - APAR700701M102

Aero Precision M4E1 Threaded 8" 5.56 Complete Upper Receiver with 7" M-LOK ATLAS R-ONE Handguard - Anodized Black - APAR700701M102

$509 99
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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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Radian Weapons R0435 Builder Kit Radian Black, AX556 Ambi Lower, 8.50" Handgaurd, Includes Most Lower Parts

Radian Weapons R0435 Builder Kit Radian Black, AX556 Ambi Lower, 8.50" Handgaurd, Includes Most Lower Parts

$1219 95
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Radian Weapons R0436 Builder Kit Radian Gray, AX556 Ambi Lower, 8.50" Handgaurd, Includes Most Lower Parts

Radian Weapons R0436 Builder Kit Radian Gray, AX556 Ambi Lower, 8.50" Handgaurd, Includes Most Lower Parts

$1219 95
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Radian Weapons R0428 Builder Kit Radian Gray, AX556 Ambi Lower, 10" Handgaurd, Includes Most Lower Parts

Radian Weapons R0428 Builder Kit Radian Gray, AX556 Ambi Lower, 10" Handgaurd, Includes Most Lower Parts

$1254 95
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Radian Weapons R0427 Builder Kit Radian Black, AX556 Ambi Lower, 10" Handgaurd, Includes Most Lower Parts

Radian Weapons R0427 Builder Kit Radian Black, AX556 Ambi Lower, 10" Handgaurd, Includes Most Lower Parts

$1254 95
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Aero Precision M4E1 Threaded Complete Upper, 14.5" 5.56 Carbine Length Barrel, 12" M-LOK ATLAS S-ONE Handguard - FDE Cerakote - APAR700314M32

Aero Precision M4E1 Threaded Complete Upper, 14.5" 5.56 Carbine Length Barrel, 12" M-LOK ATLAS S-ONE Handguard - FDE Cerakote - APAR700314M32

$604 99
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Aero Precision M4E1 Threaded 20" 5.56 Complete Upper Receiver with 15" ATLAS S-ONE Handguard - Cerakote FDE - APAR700315M48

Aero Precision M4E1 Threaded 20" 5.56 Complete Upper Receiver with 15" ATLAS S-ONE Handguard - Cerakote FDE - APAR700315M48

$644 99
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Aero Precision M4E1 Threaded 20" 5.56 Complete Upper Receiver with 15" ATLAS S-ONE Handguard - Anodized Black - APAR700305M48

Aero Precision M4E1 Threaded 20" 5.56 Complete Upper Receiver with 15" ATLAS S-ONE Handguard - Anodized Black - APAR700305M48

$609 99
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FightLite Industries MCR060 Dual-Feed AR-15/M16 Upper 5.56x45mm NATO 16.25" Black

FightLite Industries MCR060 Dual-Feed AR-15/M16 Upper 5.56x45mm NATO 16.25" Black

$5899 99
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Fightlite Industries MCR060M Dual-Feed AR-15 Upper, 5.56x45mm NATO, 16.25" Barrel, Black Finish.

Fightlite Industries MCR060M Dual-Feed AR-15 Upper, 5.56x45mm NATO, 16.25" Barrel, Black Finish.

$5899 99
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Patriot Ordnance Factory Minuteman Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard Lo Pro DI Gas Block (Mid Length)

Patriot Ordnance Factory Minuteman Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard Lo Pro DI Gas Block (Mid Length)

$1040 00
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Patriot Ordnance Factory Minuteman Complete Upper 5.56x45mm NATO 16.50" Black Nitride Barrel Aluminum Black Anodized 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 Black Anodized Receiver 14.50" M-LOK Handguard Lo Pro DI Gas Block (Mid Length)

$1040 00
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Patriot Ordnance Factory P415 Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard (Piston Driven)

Patriot Ordnance Factory P415 Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard (Piston Driven)

$1359 00
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DPMS Kitty Kat AR-15 Upper, 5.56 NATO, 7.5" Barrel, Black Nitride Finish, 6.5" Quad Rail, DP51655207090.

DPMS Kitty Kat AR-15 Upper, 5.56 NATO, 7.5" Barrel, Black Nitride Finish, 6.5" Quad Rail, DP51655207090.

$415 66
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Lead & Steel LS556PEN-MID-13.9 5.56mm 13.9" 4150 Nitride AR15 Barrel

Lead & Steel LS556PEN-MID-13.9 5.56mm 13.9" 4150 Nitride AR15 Barrel

$99 89
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