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Complete Upper Receivers

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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

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Rock River Arms

Rock River Arms Tactical Carbine, Complete Upper Receiver, 458 SOCOM, 16" Barrel, RRA Operator Muzzle Brake, RRA 15" Free Float M-LOK Handguard

Luth-AR 16" Lightweight Barrel Complete Upper Receiver, 223 Remington, Black Finish, 15" Palm Handguard Keymod, 1:9 Twist

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Luth-AR 16" Lightweight Barrel Complete Upper Receiver, 223 Remington, Black Finish, 15" Palm Handguard Keymod, 1:9 Twist

Noveske N4 Recon, Complete Upper Receiver, 5.56 NATO, 16" Stainless Steel Barrel, 1/2X28 Thread Pitch, Fits AR-15, Cerakote Finish, Black

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Noveske N4 Recon, Complete Upper Receiver, 5.56 NATO, 16" Stainless Steel Barrel, 1/2X28 Thread Pitch, Fits AR-15, Cerakote Finish, Black

Rock River Arms Coyote Carbine, Complete Upper Receiver, 300 Blackout, 16" Barrel, Smith Vortex Flash Hider, RRA 12.5" Free Float M-LOK Handguard

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Rock River Arms

Rock River Arms Coyote Carbine, Complete Upper Receiver, 300 Blackout, 16" Barrel, Smith Vortex Flash Hider, RRA 12.5" Free Float M-LOK Handguard

Black Rain Ordnance 458 SOCOM Complete Upper, 16" 4150 Chrom-Moly Vanadium Steel Barrel, 1:14 Twist, Forged, 15" MLOK Rail, Nitride Coated BCG

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Black Rain Ordnance

Black Rain Ordnance 458 SOCOM Complete Upper, 16" 4150 Chrom-Moly Vanadium Steel Barrel, 1:14 Twist, Forged, 15" MLOK Rail, Nitride Coated BCG

Noveske N4 Afghan, Complete Upper Receiver, 5.56 NATO, 14.5" Stainless Steel Barrel, 1/2X28 Thread Pitch, Pinned and Welded Muzzle Device (16" OAL)

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Noveske N4 Afghan, Complete Upper Receiver, 5.56 NATO, 14.5" Stainless Steel Barrel, 1/2X28 Thread Pitch, Pinned and Welded Muzzle Device (16" OAL)

Radian Weapons Complete Upper, 6MM ARC, 14.5" Pinned (16" OAL), Barrel, 1:7 Twist, Dead Air KeyMo Flash Hider, Mid-Length Gas, 14" MLOK Handguard

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Radian Weapons Complete Upper, 6MM ARC, 14.5" Pinned (16" OAL), Barrel, 1:7 Twist, Dead Air KeyMo Flash Hider, Mid-Length Gas, 14" MLOK Handguard

Radian Weapons Complete Upper, 6MM ARC, 14.5" Pinned (16" OAL), Barrel, 1:7 Twist, Dead Air KeyMo Flash Hider, Mid-Length Gas, 14" MLOK Handguard

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Radian Weapons Complete Upper, 6MM ARC, 14.5" Pinned (16" OAL), Barrel, 1:7 Twist, Dead Air KeyMo Flash Hider, Mid-Length Gas, 14" MLOK Handguard

Battle Arms Development Authority Elite, Complete Upper Receiver, 5.56 NATO, 16" Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Black

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Battle Arms Development

Battle Arms Development Authority Elite, Complete Upper Receiver, 5.56 NATO, 16" Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Black

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WMD Guns Complete Upper Receiver, 350 Legend, 16" Barrel, Low Profile Gas Block, Fits AR-15 Upper Receiver, 15" M-LOK Free Float Handguard

Spike's Tactical Complete Upper Receiver, 223 Remington/5.56 NATO, 14.5" Barrel (16" OAL with Pinned Brake), Mid-length Gas System, Fits AR Rifles

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Spike's Tactical

Spike's Tactical Complete Upper Receiver, 223 Remington/5.56 NATO, 14.5" Barrel (16" OAL with Pinned Brake), Mid-length Gas System, Fits AR Rifles

$905.99$1,006.00

Radian Weapons Complete Upper, 6MM ARC, 18" Barrel, 1:7 Twist, Dead Air KeyMo Muzzle Brake, Rifle-Length Gas, 17" M-LOK Handguard

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Radian Weapons Complete Upper, 6MM ARC, 18" Barrel, 1:7 Twist, Dead Air KeyMo Muzzle Brake, Rifle-Length Gas, 17" M-LOK Handguard

Radian Weapons Complete Upper, 6MM ARC, 18" Barrel, 1:7 Twist, Dead Air KeyMo Muzzle Brake, Rifle-Length Gas, 17" M-LOK Handguard

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Radian Weapons Complete Upper, 6MM ARC, 18" Barrel, 1:7 Twist, Dead Air KeyMo Muzzle Brake, Rifle-Length Gas, 17" M-LOK Handguard

Radian Weapons Complete Upper, 6MM ARC, 18" Barrel, 1:7 Twist, Dead Air KeyMo Muzzle Brake, Rifle-Length Gas, 17" M-LOK Handguard

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Radian Weapons Complete Upper, 6MM ARC, 18" Barrel, 1:7 Twist, Dead Air KeyMo Muzzle Brake, Rifle-Length Gas, 17" M-LOK Handguard

Radian Weapons Complete Upper, 6MM ARC, 18" Barrel, 1:7 Twist, Dead Air KeyMo Muzzle Brake, Rifle-Length Gas, 17" M-LOK Handguard

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Radian Weapons Complete Upper, 6MM ARC, 18" Barrel, 1:7 Twist, Dead Air KeyMo Muzzle Brake, Rifle-Length Gas, 17" M-LOK Handguard

Radian Weapons Complete Upper, 6MM ARC, 14.5" Pinned (16" OAL), Barrel, 1:7 Twist, Dead Air KeyMo Flash Hider, Mid-Length Gas, 14" MLOK Handguard

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Radian Weapons Complete Upper, 6MM ARC, 14.5" Pinned (16" OAL), Barrel, 1:7 Twist, Dead Air KeyMo Flash Hider, Mid-Length Gas, 14" MLOK Handguard

Noveske N4 Infidel, Complete Upper Receiver, 5.56 NATO, 13.7" Stainless Steel Barrel, 1/2X28 Thread Pitch, Pinned and Welded Muzzle Device (16" OAL)

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Noveske N4 Infidel, Complete Upper Receiver, 5.56 NATO, 13.7" Stainless Steel Barrel, 1/2X28 Thread Pitch, Pinned and Welded Muzzle Device (16" OAL)

Battle Arms Development Authority Elite, Complete Upper Receiver, 5.56 NATO, 16" Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Black

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Battle Arms Development

Battle Arms Development Authority Elite, Complete Upper Receiver, 5.56 NATO, 16" Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Black

Radian Weapons Complete Upper, 6MM ARC, 14.5" Pinned (16" OAL), Barrel, 1:7 Twist, Dead Air KeyMo Flash Hider, Mid-Length Gas, 14" MLOK Handguard

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Radian Weapons Complete Upper, 6MM ARC, 14.5" Pinned (16" OAL), Barrel, 1:7 Twist, Dead Air KeyMo Flash Hider, Mid-Length Gas, 14" MLOK Handguard

CMMG Resolute MK4, Upper Receiver, 350 Legend, 16.1" Barrel, Cerakote Finish, Armor Black

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CMMG Resolute MK4, Upper Receiver, 350 Legend, 16.1" Barrel, Cerakote Finish, Armor Black

Primary Weapons Systems MK116 MOD 2-M, Upper Receiver, 762x39, 16.1" Barrel, Triad30 Muzzle Device, Anodized Finish, Black

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Primary Weapons Systems

Primary Weapons Systems MK116 MOD 2-M, Upper Receiver, 762x39, 16.1" Barrel, Triad30 Muzzle Device, Anodized Finish, Black

$1,399.99$1,499.95

Primary Weapons Systems MK116 MOD 2-M, Upper Receiver, Fits AR-15, 223 Wylde, 16.1" Barrel, 1:8" Twist, FSC 556 Muzzle Device

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Primary Weapons Systems

Primary Weapons Systems MK116 MOD 2-M, Upper Receiver, Fits AR-15, 223 Wylde, 16.1" Barrel, 1:8" Twist, FSC 556 Muzzle Device

$1,399.99$1,499.95

Radian Weapons Complete Upper, 6MM ARC, 18" Barrel, 1:7 Twist, Dead Air KeyMo Muzzle Brake, Rifle-Length Gas, 17" M-LOK Handguard

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Radian Weapons Complete Upper, 6MM ARC, 18" Barrel, 1:7 Twist, Dead Air KeyMo Muzzle Brake, Rifle-Length Gas, 17" M-LOK Handguard

Rise Armament Complete Upper, 22 ARC, 18" Stainless Steel Barrel, 1:7 Twist, 1/2X28 Threaded, Rifle-Length Gas System

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Rise Armament Complete Upper, 22 ARC, 18" Stainless Steel Barrel, 1:7 Twist, 1/2X28 Threaded, Rifle-Length Gas System

$999.99$1,199.00

Primary Weapons Systems MMK116 MOD 1-M, Upper Receiver, 762X39, 16.1" Barrel, Triad30 Muzzle Device, Anodized Finish, Black

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Primary Weapons Systems

Primary Weapons Systems MMK116 MOD 1-M, Upper Receiver, 762X39, 16.1" Barrel, Triad30 Muzzle Device, Anodized Finish, Black

$1,209.99$1,299.95

Battle Arms Development WORKHORSE, Upper Receiver Assembly, 223 Remington/5.56 NATO, 16" Barrel, Mid-length Gas System, Anodized Finish, Black

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Battle Arms Development

Battle Arms Development WORKHORSE, Upper Receiver Assembly, 223 Remington/5.56 NATO, 16" Barrel, Mid-length Gas System, Anodized Finish, Black

Battle Arms Development WORKHORSE, Complete Upper Receiver, 5.56 NATO, 16" Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Black

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Battle Arms Development

Battle Arms Development WORKHORSE, Complete Upper Receiver, 5.56 NATO, 16" Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Black

Battle Arms Development WORKHORSE, Complete Upper Receiver, 5.56 NATO, 16" Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Black

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Battle Arms Development

Battle Arms Development WORKHORSE, Complete Upper Receiver, 5.56 NATO, 16" Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Black

Spike's Tactical Complete Upper Receiver, 223 Remington/5.56 NATO, 16" Chrome Lined Barrel, 1:7 Twist, Fits AR Rifles, Flat Top Receiver

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Spike's Tactical

Spike's Tactical Complete Upper Receiver, 223 Remington/5.56 NATO, 16" Chrome Lined Barrel, 1:7 Twist, Fits AR Rifles, Flat Top Receiver

FightLite Mission Configurable Rifle, 5.56 NATO, 16.25", Black, Includes (100)-M27 Links

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FightLite Mission Configurable Rifle, 5.56 NATO, 16.25", Black, Includes (100)-M27 Links

$5,899.99$6,399.99

FightLite Mission Configurable Rifle, 5.56 NATO, 16.25", Black, Includes (100)-M27 Links

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FightLite Mission Configurable Rifle, 5.56 NATO, 16.25", Black, Includes (100)-M27 Links

$5,899.99$6,399.99

Rock River Arms RRAge 3G, Complete Upper Receiver, 223 Remington/5.56 NATO, 16" Barrel, A2 Flash Hider, RRA 15" Free Float M-LOK Handguard

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Rock River Arms

Rock River Arms RRAge 3G, Complete Upper Receiver, 223 Remington/5.56 NATO, 16" Barrel, A2 Flash Hider, RRA 15" Free Float M-LOK Handguard

Radical Firearms Complete Upper Assembly, 223 Remington/5.56 NATO, 16" Barrel, 1:7 Twist, Black, MLOK Handguard, A2 Flash Hider

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Radical Firearms

Radical Firearms Complete Upper Assembly, 223 Remington/5.56 NATO, 16" Barrel, 1:7 Twist, Black, MLOK Handguard, A2 Flash Hider