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"Upper Receivers & Conversion Kits"
Rock River Arms Coyote Carbine, Complete Upper Receiver, 300 Blackout, 16" Barrel, Smith Vortex Flash Hider, RRA 12.5" Free Float M-LOK Handguard, Anodized Finish, Black,...
model:
BLK0592
category:
Upper Receivers & Conversion Kits
subcategory:
Complete Upper Receivers
type:
Upper
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Rock River Arms Tactical Carbine, Complete Upper Receiver, 458 Socom, 16" Barrel, RRA Operator Muzzle Brake, RRA 15" Free Float M-LOK Handguard, Anodized Finish, Black, F...
model:
SOC0564
category:
Upper Receivers & Conversion Kits
subcategory:
Complete Upper Receivers
type:
Upper
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Primary Weapons Systems UXR Elite, Conversion Kit, 308 Winchester, 16" Barrel, Black, Includes Bolt and Barrel U2E16YC01-1F
model:
U2E16YC01-1F
category:
Upper Receivers & Conversion Kits
subcategory:
Conversion Kits
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Primary Weapons Systems UXR Elite, Conversion Kit, .223 Wylde, 16" Barrel, Black, Includes Bolt and Barrel U2E16YA01-1F
model:
U2E16YA01-1F
category:
Upper Receivers & Conversion Kits
subcategory:
Conversion Kits
click to learn more