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5.56x45 Flat Base Smooth Rifle Parts

1-24 of 44 Products
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Ballistic Advantage Performance Series 11.3" 5.56x45mm Hanson Profile Carbine Barrel with Low Profile Gas Block - BABL556032F

Ballistic Advantage Performance Series 11.3" 5.56x45mm Hanson Profile Carbine Barrel with Low Profile Gas Block - BABL556032F
$199 50
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Rock River Arms BB0470 LAR-15M Rrage 3G Complete Upper, 5.56x45mm NATO 16", Black, Aluminum Rec, 15" M-LOK Handguard, A2 Flash Hider, No Forward Assist

Rock River Arms BB0470 LAR-15M Rrage 3G Complete Upper, 5.56x45mm NATO 16", Black, Aluminum Rec, 15" M-LOK Handguard, A2 Flash Hider, No Forward Assist

$523 52
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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

$759 58
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Cobalt Kinetics CK-Pro 6.75" Stripped Upper Receiver Group - CKPROURG675SBLK

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

$759 58
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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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Cobalt Kinetics CK-Pro Urg 5.56x45mm NATO 13.70" Black Cerakote Upper Receiver Group - CKPROURG556137BLK

Cobalt Kinetics CK-Pro Urg 5.56x45mm NATO 13.70" Black Cerakote Upper Receiver Group - CKPROURG556137BLK

$1230 35
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Cobalt Kinetics CK-Pro Urg 5.56x45mm NATO 11.50" Flat Dark Earth Cerakote Upper Receiver Group - CKPROURG556115BFDE

Cobalt Kinetics CK-Pro Urg 5.56x45mm NATO 11.50" Flat Dark Earth Cerakote Upper Receiver Group - CKPROURG556115BFDE

$1230 35
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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

$1230 35
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Fightlite Industries MCR-556-DFR 5.56 NATO 16.25" Upper Receiver Assembly

Fightlite Industries MCR-556-DFR 5.56 NATO 16.25" Upper Receiver Assembly

$6599 99
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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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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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Spikes Tactical Midlength Complete 5.56x45mm NATO 16", Black, 12" Picatinny Handguard, A2 Flash Hider

Spikes Tactical Midlength Complete 5.56x45mm NATO 16", Black, 12" Picatinny Handguard, A2 Flash Hider

$809 27
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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)

$481 93
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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 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)

$1359 00
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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)

$1040 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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LBE Unlimited ARUPPER AR-15 Upper Receiver 5.56x45mm NATO 7075-T6 Aluminum Black Finish 0" Barrel

LBE Unlimited ARUPPER AR-15 Upper Receiver 5.56x45mm NATO 7075-T6 Aluminum Black Finish 0" Barrel

$116 63
In Stock
Sharps Bros SBUR04 Billet Upper Stripped with Forward Assist & Dust Cover Black Anodized Aluminum Receiver for AR-15

Sharps Bros SBUR04 Billet Upper Stripped with Forward Assist & Dust Cover Black Anodized Aluminum Receiver for AR-15

$213 75
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FightLite Industries MCR060 Dual-Feed AR-15/M16 Upper 5.56x45mm NATO 16.25" Black

FightLite Industries MCR060 Dual-Feed AR-15/M16 Upper 5.56x45mm NATO 16.25" Black

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
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