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Sons Of Liberty Gun Works M4-89 300 Blackout AR-15 Barreled Upper Receiver - 13.9"
Knights Armament Company SR-30 MOD 2 300 BLK Complete Upper Receiver - 9.5"
CMMG Dissent Mk4 300 Blackout Upper - 6.5" - Midnight Bronze
E-Lander .300 Blackout AR-15 20 Round Steel Magazine
SIG Sauer MCX Rattler 300 Blackout Pistol - 5.5"
Radical Firearms 300 BLK AR-15 Barreled Upper Receiver - M-LOK Skinny Hybrid Rail - 16"
Radical Firearms FR16 300 Blackout AR-15 Rifle - 16" - SHR Handguard
Radical Firearms 16" 300 Blackout 1:8 Pistol Length Barreled Upper - 12" MHR Handguard
Radical Defense MK1 MOD1 PDW .300 BLK Short Barrel Rifle with XPD Suppressor and 7" Hybrid M-LOK Rail - Law Enforcement Only
Ghost Firearms Vital 300 Blackout AR-15 Barreled Upper Receiver - 10.5"
Ghost Firearms Vital 300 Blackout AR-15 Barreled Upper Receiver - 7.5"
Ghost Firearms Elite 300 Blackout AR-15 Barreled Upper Receiver - 16"
Sig Sauer MCX SPEAR-LT 300 Blackout Pistol - 9"
Radical Firearms 10.5" 300 Blackout 1:8 Pistol Length Barreled Upper - 10" RPR 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
KAK Barreled AR-15 Upper Receiver with 7.2" M-LOK Handguard - .300 Blackout - 8.5"
KAK Barreled AR-15 Upper Receiver - 9.8" M-LOK Handguard - 300AAC - 10.5"
KAK Complete AR-15 Upper Receiver - 9.8" M-LOK Handguard - 300AAC - 10.5"
Noveske Rifleworks N4-PDW 300BLK Short Barrel Rifle Gen 4 - 8"
Tacfire AR-15 .300BLK Rifle Build Kit with Lower Parts Kit - 16"
Tacfire .300 Blackout Pistol Build Kit - 10.5"
Thompson Center Encore Pro Hunter 26" Fluted 300 Blackout Barrel
Thompson Center Encore Pro Hunter 28" Fluted 300 Blackout Barrel - Stainless
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