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Receiver Parts

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Aero Precision M5E1 Enhanced Upper Receiver - FDE Cerakote - BLEM - APAR308506BAC

Aero Precision M5E1 Enhanced Upper Receiver - FDE Cerakote - BLEM - APAR308506BAC

Out of Stock
Aero Precision M5 (.308) Assembled Upper Receiver - OD Green Anodized - BLEM - APAR308631BAC

Aero Precision M5 (.308) Assembled Upper Receiver - OD Green Anodized - BLEM - APAR308631BAC

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 M5 18" .308 Rifle Length Complete Upper with 15" ATLAS R-ONE Handguard, Adjustable Gas Block, VG6 GAMMA 762, BREACH Charging Handle, Black Nitride BCG - Anodized Black - APUG308705M25-1

Aero Precision M5 18" .308 Rifle Length Complete Upper with 15" ATLAS R-ONE Handguard, Adjustable Gas Block, VG6 GAMMA 762, BREACH Charging Handle, Black Nitride BCG - Anodized Black - APUG308705M25-1

Out of Stock
Aero Precision M4E1 Carbine Complete Freedom Lower with Nickel Boron Trigger, Magpul MOE Grip, No Stock - Anodized Black - APAR600192

Aero Precision M4E1 Carbine Complete Freedom Lower with Nickel Boron Trigger, Magpul MOE Grip, No Stock - Anodized Black - APAR600192
Out of Stock
Aero Precision M5 Carbine Complete Lower with Nickel Boron Trigger & Magpul MOE Grip, No Stock - Anodized Black - APAR308294

Aero Precision M5 Carbine Complete Lower with Nickel Boron Trigger & Magpul MOE Grip, No Stock - Anodized Black - APAR308294

Out of Stock
Battle Arms Development Ultralight Chevron Carbon Fiber Pistol Grip - BAD-CF-PG

Battle Arms Development Ultralight Chevron Carbon Fiber Pistol Grip - BAD-CF-PG

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
Aero Precision AR15 Complete Lower Receiver with Magpul MOE Grip & PRS LITE Stock - FDE Cerakote - APAR501200

Aero Precision AR15 Complete Lower Receiver with Magpul MOE Grip & PRS LITE Stock - FDE Cerakote - APAR501200
Out of Stock
Fostech AR Anti-Walk Pin Set - 2506

Fostech AR Anti-Walk Pin Set - 2506

Out of Stock
Aero Precision M4E1 Threaded 16" 5.56x45mm Mid-Length Complete Upper Receiver with ATALS R-ONE Handguard - OD Green Anodized - APAR700178M7

Aero Precision M4E1 Threaded 16" 5.56x45mm Mid-Length Complete Upper Receiver with ATALS R-ONE Handguard - OD Green Anodized - APAR700178M7

Out of Stock
Aero Precision M5 16" .308 CMV Complete Upper Receiver with ATLAS R-ONE Handguard - OD Green Anodized - APAR538772M22

Aero Precision M5 16" .308 CMV Complete Upper Receiver with ATLAS R-ONE Handguard - OD Green Anodized - APAR538772M22

Out of Stock
Aero Precision M5 20" .308 CMV Complete Upper Receiver with 15" ATLAS R-ONE Handguard - Kodiak Brown Anodized - APAR538817M27

Aero Precision M5 20" .308 CMV Complete Upper Receiver with 15" ATLAS R-ONE Handguard - Kodiak Brown Anodized - APAR538817M27

Out of Stock
Aero Precision M4E1 Complete Lower Receiver with MOE Grip & CTR Carbine Stock - Kodiak Brown Anodized - APAR600573

Aero Precision M4E1 Complete Lower Receiver with MOE Grip & CTR Carbine Stock - Kodiak Brown Anodized - APAR600573

Out of Stock
Aero Precision M5 Carbine Complete Lower Receiver with A2 Grip, No Stock - Kodiak Brown Anodized - APAR308292

Aero Precision M5 Carbine Complete Lower Receiver with A2 Grip, No Stock - Kodiak Brown Anodized - APAR308292

Out of Stock
Aero Precision M5 Complete Lower Receiver with MOE Grip & PRS Rifle Stock - Kodiak Brown - APAR308288

Aero Precision M5 Complete Lower Receiver with MOE Grip & PRS Rifle Stock - Kodiak Brown - APAR308288
Out of Stock
Rock River Arms BLK0592 LAR-15M Coyote Carbine Complete Upper, 300 Blackout 16", Black, Aluminum Rec, 12.50" M-LOK Handgaurd, Smith Vortex Flash Hider

Rock River Arms BLK0592 LAR-15M Coyote Carbine Complete Upper, 300 Blackout 16", Black, Aluminum Rec, 12.50" M-LOK Handgaurd, Smith Vortex Flash Hider

Out of Stock
Rock 350L0326 350 Legend CAR SS Halfhp Upper

Rock 350L0326 350 Legend CAR SS Halfhp Upper

Out of Stock
Rock River Arms AR0784 LAR-15M NM A4 Complete Upper, 223 Wylde 20" Stainless Heavy Match Barrel, Black Rec/12.50" M-LOK Handgaurd, Railed Gas Block, A2 Flash Hider

Rock River Arms AR0784 LAR-15M NM A4 Complete Upper, 223 Wylde 20" Stainless Heavy Match Barrel, Black Rec/12.50" M-LOK Handgaurd, Railed Gas Block, A2 Flash Hider

Out of Stock
Aero Precision M5 Complete Upper with 16" .308 Mid-Length Barrel, Adjustable Gas Block, & 15" ATLAS R-ONE Handguard - Anodized Black - APSL100458

Aero Precision M5 Complete Upper with 16" .308 Mid-Length Barrel, Adjustable Gas Block, & 15" ATLAS R-ONE Handguard - Anodized Black - APSL100458

Out of Stock
Aero Precision M5 Complete Upper with 16" .308 Mid-Length Barrel, Adjustable Gas Block, & 15" ATLAS S-ONE Handguard - Anodized Black - APSL100459

Aero Precision M5 Complete Upper with 16" .308 Mid-Length Barrel, Adjustable Gas Block, & 15" ATLAS S-ONE Handguard - Anodized Black - APSL100459

Out of Stock
Aero Precision M5 Complete Upper with 16" .308 SS Mid-Length Barrel, Adjustable Gas Block & 15" ATLAS R-ONE Handguard - Anodized Black - APSL100457

Aero Precision M5 Complete Upper with 16" .308 SS Mid-Length Barrel, Adjustable Gas Block & 15" ATLAS R-ONE Handguard - Anodized Black - APSL100457

Out of Stock
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Build a better rifle with uppers, lowers, and receiver parts from popular brands like Aero Precision, CMMG, and Strike Industries. Shop with confidence when you buy receiver parts online at Classic Firearms!

 
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