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.300 Blackout Receiver Parts

Unlock the full potential of your .300 Blackout build with our precision-engineered receiver parts, designed to enhance performance and reliability in every shot. Whether you're upgrading your existing setup or starting a new project, these components are crafted to deliver exceptional accuracy and durability. The .300 Blackout caliber is renowned for its versatility, offering superior performance in both suppressed and unsuppressed configurations. Our selection includes top-tier options from trusted manufacturers like Anderson and Aero Precision, ensuring you find the perfect fit for your firearm. Explore the seamless integration and robust construction that these parts provide, making them ideal for both recreational shooting and more demanding scenarios. For those interested in exploring other calibers, consider our .22 ARC options, offering a different dimension of performance. Elevate your shooting experience with receiver parts that are as reliable as they are innovative, ensuring your firearm operates at peak efficiency.

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Patriot Ordnance Factory Renegade + Complete Upper 300 Blackout 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard Adjustable Block

Patriot Ordnance Factory Renegade + Complete Upper 300 Blackout 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard Adjustable Block

$1192 00
In Stock
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Patriot Ordnance Factory P415 Complete Upper 300 Blackout 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard (Piston Driven)

Patriot Ordnance Factory P415 Complete Upper 300 Blackout 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard (Piston Driven)

$1359 00
In Stock
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CMMG 30BC40AMB Resolute MK4 300 Blackout 16.10", Midnight Bronze, M-LOK Free-Float Handguard for AR-Platform (No BCG or Charging Handle)

CMMG 30BC40AMB Resolute MK4 300 Blackout 16.10", Midnight Bronze, M-LOK Free-Float Handguard for AR-Platform (No BCG or Charging Handle)

$460 24
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CMMG 30BC40AAB Resolute MK4 300 Blackout 16.10", Armor Black, M-LOK Free-Float Handguard for AR-Platform (No BCG or Charging Handle)

CMMG 30BC40AAB Resolute MK4 300 Blackout 16.10", Armor Black, M-LOK Free-Float Handguard for AR-Platform (No BCG or Charging Handle)

$479 10
In Stock
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Tacfire .300 Blackout 5" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, M-LOK Handguard - BU-300-5

Tacfire .300 Blackout 5" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, M-LOK Handguard - BU-300-5

$239 99 $349.99
In Stock
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Tacfire .300 Blackout 16" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, and M-LOK Handguard - BU-300-16

Tacfire .300 Blackout 16" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, and M-LOK Handguard - BU-300-16
$370 59
In Stock
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Aero Precision M4E1 Threaded 16" .300 Blackout Complete Upper Receiver with 15" ATLAS S-ONE Handguard - Anodized Black - APAR700305M14

Aero Precision M4E1 Threaded 16" .300 Blackout Complete Upper Receiver with 15" ATLAS S-ONE Handguard - Anodized Black - APAR700305M14
Out of Stock
Q LLC ACCSW30013INUPPER Sugar Weasel 300 Blackout 13"

Q LLC ACCSW30013INUPPER Sugar Weasel 300 Blackout 13"

Out of Stock
Rock River Arms BLK0592 LAR-15M Coyote Carbine Complete Upper, 300 Blackout 16", Black, Aluminum Rec, 12.50" M-LOK Handgaurd, Smith Vortex Flash Hider

Rock River Arms BLK0592 LAR-15M Coyote Carbine Complete Upper, 300 Blackout 16", Black, Aluminum Rec, 12.50" M-LOK Handgaurd, Smith Vortex Flash Hider

Out of Stock
CMMG 30B0E67AB Dissent MK4 300 Blackout 6.50", Left Side Charging Handle, Armor Black, OEM Zeroed Linear Comp, 4.60" M-LOK Handguard for AR-Platform, Picatinny End Plate

CMMG 30B0E67AB Dissent MK4 300 Blackout 6.50", Left Side Charging Handle, Armor Black, OEM Zeroed Linear Comp, 4.60" M-LOK Handguard for AR-Platform, Picatinny End Plate

Out of Stock
CMMG 30BC239AB Dissent MK4 300 Blackout 10.50", Left Side Charging Handle, Armor Black, OEM Zeroed Linear Comp, 9.60" M-LOK Handguard for AR-Platform, Picatinny End Plate

CMMG 30BC239AB Dissent MK4 300 Blackout 10.50", Left Side Charging Handle, Armor Black, OEM Zeroed Linear Comp, 9.60" M-LOK Handguard for AR-Platform, Picatinny End Plate

Out of Stock
Tacfire .300 Blackout 10" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, and M-LOK Handguard - BU-300-10

Tacfire .300 Blackout 10" AR-15 Complete Upper Receiver with Bolt Carrier Group, Charging Handle, and M-LOK Handguard - BU-300-10
Out of Stock
Aero Precision M4E1 Enhanced 16" .300 Blackout Complete Upper Receiver with 15" Enhanced M-LOK Handguard - Cerakote FDE - APAR640252M14

Aero Precision M4E1 Enhanced 16" .300 Blackout Complete Upper Receiver with 15" Enhanced M-LOK Handguard - Cerakote FDE - APAR640252M14
Out of Stock
Aero Precision M4E1 Threaded 16" .300 Blackout Complete Upper Receiver with 16" ATLAS R-ONE Handguard - Anodized Black - APAR700705M14

Aero Precision M4E1 Threaded 16" .300 Blackout Complete Upper Receiver with 16" ATLAS R-ONE Handguard - Anodized Black - APAR700705M14

Out of Stock
Aero Precision M4E1 Threaded 16" .300 Blackout Complete Upper Receiver with 15" ATLAS S-ONE Handguard - Cerakote FDE - APAR700315M14

Aero Precision M4E1 Threaded 16" .300 Blackout Complete Upper Receiver with 15" ATLAS S-ONE Handguard - Cerakote FDE - APAR700315M14

Out of Stock
Radian Weapons R0027 Complete Upper 9" 300 Blackout Black

Radian Weapons R0027 Complete Upper 9" 300 Blackout Black

Out of Stock
Aero Precision M4E1 Enhanced 16" .300 Blackout Complete Upper Receiver with 15" Enhanced M-LOK Handguard - Anodized Black - APAR640251M14

Aero Precision M4E1 Enhanced 16" .300 Blackout Complete Upper Receiver with 15" Enhanced M-LOK Handguard - Anodized Black - APAR640251M14

Out of Stock
Aero Precision M4E1 Threaded 10" .300 Blackout Complete Upper Receiver with 9" ATLAS R-ONE Handguard - Anodized Black - APAR700702M4

Aero Precision M4E1 Threaded 10" .300 Blackout Complete Upper Receiver with 9" ATLAS R-ONE Handguard - Anodized Black - APAR700702M4
Out of Stock
Aero Precision M4E1 Threaded 10" .300 Blackout Complete Upper Receiver with 9" ATLAS S-ONE Handguard - Cerakote FDE - APAR700312M4

Aero Precision M4E1 Threaded 10" .300 Blackout Complete Upper Receiver with 9" ATLAS S-ONE Handguard - Cerakote FDE - APAR700312M4
Out of Stock
Aero Precision M4E1 Threaded 10" .300 Blackout Complete Upper Receiver with 9" ATLAS S-ONE Handguard - Anodized Black - APAR700302M4

Aero Precision M4E1 Threaded 10" .300 Blackout Complete Upper Receiver with 9" ATLAS S-ONE Handguard - Anodized Black - APAR700302M4
Out of Stock
Aero Precision M4E1 Threaded 8" .300 Blackout Complete Upper Receiver with ATLAS S-ONE Handguard - Anodized Black - APAR700301M1

Aero Precision M4E1 Threaded 8" .300 Blackout Complete Upper Receiver with ATLAS S-ONE Handguard - Anodized Black - APAR700301M1
Out of Stock
Aero Precision M4E1 Enhanced 10" .300 Blackout Complete Upper Receiver with 9" Enhanced M-LOK Handguard - Cerakote FDE - APAR640222M4

Aero Precision M4E1 Enhanced 10" .300 Blackout Complete Upper Receiver with 9" Enhanced M-LOK Handguard - Cerakote FDE - APAR640222M4
Out of Stock
Aero Precision M4E1 Complete Upper, 10" .300 Blackout Barrel, EM-9 Gen 2 Handguard - Anodized Black - APAR640221M4

Aero Precision M4E1 Complete Upper, 10" .300 Blackout Barrel, EM-9 Gen 2 Handguard - Anodized Black - APAR640221M4

Out of Stock
Aero Precision M4E1 Enhanced 8" .300 Blackout Complete Upper Receiver - Anodized Black - APAR640211M1

Aero Precision M4E1 Enhanced 8" .300 Blackout Complete Upper Receiver - Anodized Black - APAR640211M1
Out of Stock
1-24 of 25 Products
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