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5.56x45 Rifle Parts

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Knights 31962 Upper Recver KIT SR15 MOD2 16"

Knights 31962 Upper Recver KIT SR15 MOD2 16"

Out of Stock
Aero Precision M4E1 Complete Upper, 16" 5.56 Mid-Length Barrel with 15" Enhanced M-LOK Handguard, VG6 Gamma 556, BREACH CH and 5.56 Black Nitride BCG - Anodized Black - APSL100391

Aero Precision M4E1 Complete Upper, 16" 5.56 Mid-Length Barrel with 15" Enhanced M-LOK Handguard, VG6 Gamma 556, BREACH CH and 5.56 Black Nitride BCG - Anodized Black - APSL100391

Out of Stock
Aero Precision M4E1 Complete Upper, 16" 5.56 Mid-Length Barrel with 15" Enhanced M-LOK Handguard, VG6 Epsilon 556, BREACH CH and 5.56 Black Nitride BCG - Anodized Black - APSL100425

Aero Precision M4E1 Complete Upper, 16" 5.56 Mid-Length Barrel with 15" Enhanced M-LOK Handguard, VG6 Epsilon 556, BREACH CH and 5.56 Black Nitride BCG - Anodized Black - APSL100425
Out of Stock
Aero Precision AR15 16" 5.56 M4 Carbine Length Complete Upper with M4 Handguard, 5.56 Phosphate BCG & Charging Handle - Anodized Black - APSL100382

Aero Precision AR15 16" 5.56 M4 Carbine Length Complete Upper with M4 Handguard, 5.56 Phosphate BCG & Charging Handle - Anodized Black - APSL100382

Out of Stock
Aero Precision 16" 5.56 CMV Barrel, Mid-Length with .750 Adjustable Gas Block, SS Mid-Length Gas Tube, & 5.56 BCG - APSL100331

Aero Precision 16" 5.56 CMV Barrel, Mid-Length with .750 Adjustable Gas Block, SS Mid-Length Gas Tube, & 5.56 BCG - APSL100331
Out of Stock
Aero Precision M4E1 Threaded 11.5" 5.56 Barrel Complete Upper Receiver wtih 10.3" M-LOK ATLAS R-ONE Handguard, Adjustable Gas Block, VG6 Epsilon Muzzle Device, BREACH Charging Handle, & PRO Series BCG - Anodized Black - APSL100384

Aero Precision M4E1 Threaded 11.5" 5.56 Barrel Complete Upper Receiver wtih 10.3" M-LOK ATLAS R-ONE Handguard, Adjustable Gas Block, VG6 Epsilon Muzzle Device, BREACH Charging Handle, & PRO Series BCG - Anodized Black - APSL100384

Out of Stock
Aero Precision M4E1 Threaded 16" 5.56 Mid-Length Complete Upper Receiver with ATLAS R-ONE Handguard, Adjustable Gas Block, VG6 Epsilon Muzzle Device, BREACH Charging Handle, & PRO Series BCG - Anodized Black - APSL100388

Aero Precision M4E1 Threaded 16" 5.56 Mid-Length Complete Upper Receiver with ATLAS R-ONE Handguard, Adjustable Gas Block, VG6 Epsilon Muzzle Device, BREACH Charging Handle, & PRO Series BCG - Anodized Black - APSL100388

Out of Stock
Aero Precision M4E1 Enhanced 12.5" 5.56 Carbine Length Complete Upper w/ 10.7" Enhanced HG, Adjustable Gas Block, VG6 Epsilon 556, BREACH Charging Handle, PRO BCG - Anodized Black - APSL100386

Aero Precision M4E1 Enhanced 12.5" 5.56 Carbine Length Complete Upper w/ 10.7" Enhanced HG, Adjustable Gas Block, VG6 Epsilon 556, BREACH Charging Handle, PRO BCG - Anodized Black - APSL100386

Out of Stock
Aero Precision M4E1 Threaded 16" 5.56 Mid-Length Complete Upper Receiver with ATLAS R-ONE Handguard, Adjustable Gas Block, VG6 Epsilon Muzzle Device, BREACH Charging Handle, & PRO Series BCG - Cerakote FDE - APSL100389

Aero Precision M4E1 Threaded 16" 5.56 Mid-Length Complete Upper Receiver with ATLAS R-ONE Handguard, Adjustable Gas Block, VG6 Epsilon Muzzle Device, BREACH Charging Handle, & PRO Series BCG - Cerakote FDE - APSL100389

Out of Stock
Aero Precision M4E1 Enhanced 16" 5.56 Mid-Length Complete Upper Receiver with 15" Enhanced M-LOK Handguard, Adjustable Gas Block, VG6 Epsilon 556, BREACH Charging Handle, & PRO Series BCG - Anodized Black - APSL100390

Aero Precision M4E1 Enhanced 16" 5.56 Mid-Length Complete Upper Receiver with 15" Enhanced M-LOK Handguard, Adjustable Gas Block, VG6 Epsilon 556, BREACH Charging Handle, & PRO Series BCG - Anodized Black - APSL100390

Out of Stock
Aero Precision 10.5" 5.56 CMV Barrel with Pinned FSB, Carbine Length - APRH100120C

Aero Precision 10.5" 5.56 CMV Barrel with Pinned FSB, Carbine Length - APRH100120C

Out of Stock
Aero Precision M4E1 Enhanced 14.5" 5.56 Mid-Length Complete Upper Receiver with 12" Quad Rail Handguard - Anodized Black - APAR640231Q5

Aero Precision M4E1 Enhanced 14.5" 5.56 Mid-Length Complete Upper Receiver with 12" Quad Rail Handguard - Anodized Black - APAR640231Q5

Out of Stock
Aero Precision M4E1 Threaded PRO Complete Upper with 12.5" 5.56 CHF Mid-Length Barrel and 10.3" ATLAS R-ONE Handguard - Anodized Black - APUG700703M103-1

Aero Precision M4E1 Threaded PRO Complete Upper with 12.5" 5.56 CHF Mid-Length Barrel and 10.3" ATLAS R-ONE Handguard - Anodized Black - APUG700703M103-1

Out of Stock
Aero Precision 12.5" 5.56 Cold Hammer Forged Barrel with Dimple, Mid-Length - APRH100821C

Aero Precision 12.5" 5.56 Cold Hammer Forged Barrel with Dimple, Mid-Length - APRH100821C

Out of Stock
HuxWrx Safety Co. QD 556 Flash Hider Long 2154 Black with 1/2"-28 tpi Threads, 2.70" OAL & 1.20" Diameter for 5.56x45mm NATO AR-Platform

HuxWrx Safety Co. QD 556 Flash Hider Long 2154 Black with 1/2"-28 tpi Threads, 2.70" OAL & 1.20" Diameter for 5.56x45mm NATO AR-Platform

Out of Stock
HuxWrx Safety Co. QD 556 Muzzle Brake 1599 Black with 1/2"-28 tpi Threads, 2.30" OAL, 5.56x45mm NATO AR-Platform

HuxWrx Safety Co. QD 556 Muzzle Brake 1599 Black with 1/2"-28 tpi Threads, 2.30" OAL, 5.56x45mm NATO AR-Platform

Out of Stock
Pioneer Arms - AK Thread Adapter 14x1LH to 1/2x28 5.56 AK-THREAD-ADAPTER-556

Pioneer Arms - AK Thread Adapter 14x1LH to 1/2x28 5.56 AK-THREAD-ADAPTER-556

Out of Stock
Bushmaster 0040011BLK Bravo Zulu Complete Upper 5.56x45mm NATO 16", Black, 14" BFI M-LOK Handgaurd, Snake Charmer Muzzle Brake

Bushmaster 0040011BLK Bravo Zulu Complete Upper 5.56x45mm NATO 16", Black, 14" BFI M-LOK Handgaurd, Snake Charmer Muzzle Brake

Out of Stock
CMMG 55BB40BMB Resolute MK4 5.56x45mm NATO 16.10", Midnight Bronze, M-LOK Free-Float Handguard for AR-Platform (No BCG or Charging Handle)

CMMG 55BB40BMB Resolute MK4 5.56x45mm NATO 16.10", Midnight Bronze, M-LOK Free-Float Handguard for AR-Platform (No BCG or Charging Handle)

Out of Stock
Ballistic Advantage 5.56x45mm Complete AR-15 Bolt Carrier Group - Nickel Boron - BAPA100002

Ballistic Advantage 5.56x45mm Complete AR-15 Bolt Carrier Group - Nickel Boron - BAPA100002

Out of Stock
Aero Precision M4E1 Threaded Complete Upper, 16" 5.56 HBAR Mid-Length Barrel with 15" ATLAS R-ONE M-LOK Handguard - FDE Cerakote - APAR700715M97

Aero Precision M4E1 Threaded Complete Upper, 16" 5.56 HBAR Mid-Length Barrel with 15" ATLAS R-ONE M-LOK Handguard - FDE Cerakote - APAR700715M97

Out of Stock
Aero Precision AR15 Complete Upper, 20" 5.56 with Pinned FSB & MOE Handguard - FDE - APAR502502M66

Aero Precision AR15 Complete Upper, 20" 5.56 with Pinned FSB & MOE Handguard - FDE - APAR502502M66

Out of Stock
Aero Precision M4E1 Complete Upper, 8" 5.56 Pistol Barrel with 7.3" Enhanced GEN 2 Handguard - Anodized Black - APAR640269M102

Aero Precision M4E1 Complete Upper, 8" 5.56 Pistol Barrel with 7.3" Enhanced GEN 2 Handguard - Anodized Black - APAR640269M102

Out of Stock
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

Out of Stock
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