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5.56x45 Flat Base Smooth Rifle Parts

1-24 of 36 Products
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FightLite MCR-556-DFRS Upper Receiver 5.56 NATO 12.5" Black

FightLite MCR-556-DFRS Upper Receiver 5.56 NATO 12.5" Black

$6599 99
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Rosco Manufacturing K9 11.5" 5.56 NATO Nitride 416R Stainless Barrel for AR-15

Rosco Manufacturing K9 11.5" 5.56 NATO Nitride 416R Stainless Barrel for AR-15

$180 00
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Rosco Manufacturing Husky 12.5" 5.56 NATO Chrome Lined Phosphate 4150 CMV Barrel, AR-15 Compatible

Rosco Manufacturing Husky 12.5" 5.56 NATO Chrome Lined Phosphate 4150 CMV Barrel, AR-15 Compatible

$185 40
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Cobalt Kinetics CK-Pro URG AR-15 Compatible 5.56 NATO 13.7" Barrel Black Cerakote Finish

Cobalt Kinetics CK-Pro URG AR-15 Compatible 5.56 NATO 13.7" Barrel Black Cerakote Finish

$775 99
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Sig Sauer 8901314 Sig MCX 5.56 NATO Black

Sig Sauer 8901314 Sig MCX 5.56 NATO Black

$866 27
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Rosco Manufacturing Bloodline BL-16-M4-556-7-C 16" 5.56 NATO Nitride 4150 CMV Barrel for AR-15 M4

Rosco Manufacturing Bloodline BL-16-M4-556-7-C 16" 5.56 NATO Nitride 4150 CMV Barrel for AR-15 M4

$152 10
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Cobalt Kinetics CK-Pro Urg 5.56x45mm NATO 16" Black Cerakote Upper Receiver Group - CKPROURG55616BBLK

Cobalt Kinetics CK-Pro Urg 5.56x45mm NATO 16" Black Cerakote Upper Receiver Group - CKPROURG55616BBLK

$1230 35
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Cobalt Kinetics CK-Pro Urg 5.56x45mm NATO 14.50" Black Cerakote Upper Receiver Group - CKPROURG556145BLK

Cobalt Kinetics CK-Pro Urg 5.56x45mm NATO 14.50" Black Cerakote Upper Receiver Group - CKPROURG556145BLK

$1230 35
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Fightlite Industries MCR060M Dual-Feed AR-15 Upper, 5.56x45mm NATO, 16.25" Barrel, Black Finish.

Fightlite Industries MCR060M Dual-Feed AR-15 Upper, 5.56x45mm NATO, 16.25" Barrel, Black Finish.

$5899 99
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Gemtech 13833 Gvac Upper Receiver 5.56x45mm NATO 16.10", Black, 15" M-LOK Handguard, ETM Flash Hider, BCG Included

Gemtech 13833 Gvac Upper Receiver 5.56x45mm NATO 16.10", Black, 15" M-LOK Handguard, ETM Flash Hider, BCG Included

$879 00
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CMMG 55BB40BAB Resolute MK4 5.56x45mm NATO 16.10", Armor Black, M-LOK Free-Float Handguard for AR-Platform (No BCG or Charging Handle)

CMMG 55BB40BAB Resolute MK4 5.56x45mm NATO 16.10", Armor Black, M-LOK Free-Float Handguard for AR-Platform (No BCG or Charging Handle)

$479 93
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Patriot Ordnance Factory Renegade + Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard Adjustable Block

Patriot Ordnance Factory Renegade + Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard Adjustable Block

$984 96
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Patriot Ordnance Factory Renegade + Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard Adjustable Block

Patriot Ordnance Factory Renegade + Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard Adjustable Block

$984 96
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Patriot Ordnance Factory P415 Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard (Piston Driven)

Patriot Ordnance Factory P415 Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard (Piston Driven)

$1359 00
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Patriot Ordnance Factory Minuteman Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard Lo Pro DI Gas Block (Mid Length)

Patriot Ordnance Factory Minuteman Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Black Anodized Receiver 9" M-LOK Handguard Lo Pro DI Gas Block (Mid Length)

$1040 00
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Tacfire AR-15 Upper Receiver with Dust Cover and Forward Assist - UP01-C

Tacfire AR-15 Upper Receiver with Dust Cover and Forward Assist - UP01-C
Out of Stock
Cobalt Kinetics CK-Pro Urg 5.56x45mm NATO 11.50" Black Cerakote Upper Receiver Group - CKPROURG556115BBLK

Cobalt Kinetics CK-Pro Urg 5.56x45mm NATO 11.50" Black Cerakote Upper Receiver Group - CKPROURG556115BBLK

Out of Stock
Aero Precision - M4E1 Complete Upper Receiver - 16" Barrel - .223/5.56 - APAR712705M7

Aero Precision - M4E1 Complete Upper Receiver - 16" Barrel - .223/5.56 - APAR712705M7
Out of Stock
Aero Precision M4E1 Threaded 12.5" 5.56 Carbine Length Complete Upper Receiver w/ ATLAS S-ONE Handguard - APAR700304M30

Aero Precision M4E1 Threaded 12.5" 5.56 Carbine Length Complete Upper Receiver w/ ATLAS S-ONE Handguard - APAR700304M30
Out of Stock
Cobalt Kinetics CK-Pro 6.75" Stripped Upper Receiver Group - CKPROURG675SBLK

Cobalt Kinetics CK-Pro 6.75" Stripped Upper Receiver Group - CKPROURG675SBLK

Out of Stock
DPMS Panther Arms Kitty Kat 5.56 NATO 7.5" Upper Receiver Black Nitride

DPMS Panther Arms Kitty Kat 5.56 NATO 7.5" Upper Receiver Black Nitride

Out of Stock
DPMS Kitty Kat AR-15 Upper, 5.56 NATO, 7.5" Barrel, Black Nitride Finish, 6.5" Quad Rail, DP51655207090.

DPMS Kitty Kat AR-15 Upper, 5.56 NATO, 7.5" Barrel, Black Nitride Finish, 6.5" Quad Rail, DP51655207090.

Out of Stock
Patriot Ordnance Factory P415 Complete Upper 5.56x45mm NATO 16.50" Black Nitride Barrel Aluminum Black Anodized Receiver 14.50" M-LOK Handguard (Piston Driven)

Patriot Ordnance Factory P415 Complete Upper 5.56x45mm NATO 16.50" Black Nitride Barrel Aluminum Black Anodized Receiver 14.50" M-LOK Handguard (Piston Driven)

Out of Stock
Patriot Ordnance Factory Minuteman Complete Upper 5.56x45mm NATO 16.50" Black Nitride Barrel Aluminum Black Anodized Receiver 14.50" M-LOK Handguard Lo Pro DI Gas Block (Mid Length)

Patriot Ordnance Factory Minuteman Complete Upper 5.56x45mm NATO 16.50" Black Nitride Barrel Aluminum Black Anodized Receiver 14.50" M-LOK Handguard Lo Pro DI Gas Block (Mid Length)

Out of Stock
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