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27 Products
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Color
Attachment System
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Customer Rating
Thread Pattern
In Stock
Andro Corp 300 BLK AR-15 Complete Upper - M-LOK - 8"
Noveske Rifleworks Gen 4 N4 Diplomat Stainless 300BLK Complete Upper Receiver - 8" - Bazooka Green
Noveske Rifleworks Gen 4 N4 Shorty Stainless 300BLK Complete Upper Receiver - 10.5"
Ghost Firearms 16" 300 BLK 1:8 HBAR Elite Barreled Upper - 14" M-LOK Rail - Olive Drab Green
Out of Stock
Sons of Liberty Gun Works East India 300 Blackout Barreled Upper Receiver - 8.5"
Maxim Defense PDX .300BLK Complete Barreled Upper with Stock - 5.5"
Noveske Rifleworks Gen 4 N4 Diplomat Stainless 300 Blackout Complete Upper Receiver - 8"
CMMG Dissent Mk4 300 Blackout Upper - 6.5" - Midnight Bronze
Andro Corp 300 Blackout AR-15 Barreled Upper Receiver - 10"
Andro Corp 300 Blackout AR-15 Barreled Upper Receiver - 8"
Andro Corp 300 Blackout AR-15 Barreled Upper Receiver - 16"
KAK Industries 16" 300 Blackout Complete Upper Receiver - 13" KAK M-LOK Handguard
Radical Firearms 10.5" 300 Blackout 1:8 Pistol Length Barreled Upper - 10" RPR Handguard
Radical Firearms 8.5" 300 Blackout 1:7 Pistol Length Barreled Upper - 7" MHR Handguard
Radical Firearms 10.5" 300 Blackout 1:8 Pistol Length Barreled Upper - 9" MHR Handguard
Radical Firearms 8.5" 300 Blackout 1:8 Pistol Length Barreled Upper - 7" RPR Handguard
Radical Firearms .300 BLK Heavy Barreled AR-15 Upper - RPR Handguard - 16"
Daniel Defense DDM4-300-S .300 Blackout Compete Upper with Vertical Grip - Black - 10.3"
Aero Precision M4E1 Enhanced AR-15 Barreled Upper .300 BLK - 16"
Aero Precision M4E1 Threaded AR-15 Barreled Upper 300 BLK Atlas R-One - 16"
Aero Precision M4E1 Threaded Barreled AR-15 Upper Receiver .300 BLK Pistol - ATLAS R-ONE - 10"
Aero Precision M4E1 Threaded Barreled Upper Receiver .300 BLK Pistol - Atlas R-One - 8"
Bravo Company Manufacturing MK2 300 Blackout Barreled Upper MCMR-8 - 9"
Aero Precision M4E1 Threaded AR-15 Barreled Upper Receiver .300 BLK Pistol Length - ATLAS S-ONE - 16"
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