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AR-15 Upper Receivers

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Filtered By: 300 Blackout

In Stock

Bravo Company Manufacturing MK2 300 Blackout Barreled Upper MCMR-8 - 9"

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$806.49

In Stock

Maxim Defense PDX-SD Integrally Suppressed 300 BLK Complete Upper Receiver - 5.5"

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$2,155.50

In Stock

Noveske Rifleworks Gen 4 N4 Shorty Stainless 300BLK Complete Upper Receiver - 10.5" - Bazooka Green

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$1,520.00

Out of Stock

Sons of Liberty Gun Works M4-L89 300 BLK Barreled Upper Receiver - 8.5"

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$1,000.00
No Longer Available

Q Sugar Weasel 300 Blackout Complete Upper Receiver - 7"

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Out of Stock

Q Sugar Weasel 300 Blackout Complete Upper Receiver - 13"

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$1,250.00

Out of Stock

Sons of Liberty Gun Works East India 300 Blackout Barreled Upper Receiver - 8.5"

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$475.00
No Longer Available

Sons of Liberty Gun Works M4-L89 300 Blackout Barreled Upper Receiver - 8.5"

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Out of Stock

Maxim Defense PDX .300BLK Complete Barreled Upper with Stock - 5.5"

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$1,615.50

Out of Stock

Noveske Rifleworks Gen 4 N4 Diplomat Stainless 300BLK Complete Upper Receiver - 8" - Bazooka Green

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$1,472.50
No Longer Available

Noveske Rifleworks Gen 4 N4 Shorty Stainless 300BLK Complete Upper Receiver - 10.5"

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Out of Stock

Noveske Rifleworks Gen 4 N4 Diplomat Stainless 300 Blackout Complete Upper Receiver - 8"

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$1,353.75

Out of Stock

Geissele Automatics Super Duty Mod 1 .300 Blackout AR-15 Complete Upper Receiver - 8" - DDC

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$1,480.00

Out of Stock

Geissele Automatics Super Duty MOD 1 300 Blackout Complete Upper - 8" - Black

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$1,330.00
No Longer Available

Andro Corp 300 Blackout AR-15 Barreled Upper Receiver - 10"

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No Longer Available

Andro Corp 300 Blackout AR-15 Barreled Upper Receiver - 8"

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No Longer Available

Andro Corp 300 Blackout AR-15 Barreled Upper Receiver - 16"

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Out of Stock

KAK Industries 16" 300 Blackout Complete Upper Receiver - 13" KAK M-LOK Handguard

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$433.49

Out of Stock

Andro Corp 300 BLK AR-15 Complete Upper - M-LOK - 8"

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$429.99
No Longer Available

Radical Firearms 10.5" 300 Blackout 1:8 Pistol Length Barreled Upper - 10" RPR Handguard

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No Longer Available

Radical Firearms 8.5" 300 Blackout 1:7 Pistol Length Barreled Upper - 7" MHR Handguard

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No Longer Available

Radical Firearms 10.5" 300 Blackout 1:8 Pistol Length Barreled Upper - 9" MHR Handguard

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No Longer Available

Radical Firearms 8.5" 300 Blackout 1:8 Pistol Length Barreled Upper - 7" RPR Handguard

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No Longer Available

Radical Firearms .300 BLK Heavy Barreled AR-15 Upper - RPR Handguard - 16"

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