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Rock River Arms BLK0592 LAR-15M Coyote Carbine Complete Upper, 300 Blackout 16", Black, Aluminum Rec, 12.50" M
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Rock 350L0326 350 Legend CAR SS Halfhp Upper
Rock River Arms AR0784 LAR-15M NM A4 Complete Upper, 223 Wylde 20" Stainless Heavy Match Barrel, Black Rec/12.50&qu
Aero Precision M5 Complete Upper with 16" .308 Mid-Length Barrel, Adjustable Gas Block, & 15" ATLAS R-ONE
Aero Precision M5 Complete Upper with 16" .308 Mid-Length Barrel, Adjustable Gas Block, & 15" ATLAS S-ONE
Aero Precision M5 Complete Upper with 16" .308 SS Mid-Length Barrel, Adjustable Gas Block & 15" ATLAS R-ON
Aero Precision M5 Complete Upper with 18" .308 Rifle Length Barrel, Adjustable Gas Block & 15" ATLAS S-ONE
Aero Precision M5 Complete Upper with 18" .308 Rifle Length Barrel, Adjustable Gas Block & 15" ATLAS R-ONE
Aero Precision M4E1 Enhanced Gas Piston Complete Upper with 18" .223 Wylde Rifle Length Barrel & 15" Enhan
Faxon Firearms FX700SA-308-01-7F1BC8N24N24Q FX7 Barreled Action 65CM 24" M24 Barrel Profile Matte DLC
ATI ATIGLOW200BFG Omni Hybrid AR15 Stripped Polymer Lower Receiver Green
ATI ATIGLOW200SG Omni Hybrid AR15 Stripped Polymer Lower Receiver Grey
New Frontier Armory C5LOWER Frontier C-5 Lower Recvr MP5 Stripped Billet Black
New Frontier Armory G10LOWER Frontier G10 Lower Recvr AR10 Stripped Billet Black
New Frontier Armory G9MMLOWER Frontier C-9 Lower Recvr 9/40 Stripped Billet Black
Bushmaster 0020005BLK M4 Lower Black Rec Black Polymer 6 Position Collapsible Carbine/A2 Pistol Grip for AR-15
Primary Weapons 22-2M100SM1B MK1 Mod 2-M Black Anodized Stripped Lower for AR-15, Oversized Ambi Bolt Release/Catch
Desert Tech QTR-LR-15-B53 Quattro-15 Black Accepts AR-15 & Quadmag-53 Magazines for AR-15 Uppers
Radian Weapons R0166 AX556 Lower Receiver - Radian Black
Geissele Automatics Super Duty Stripped Lower Receiver DDC for AR-15
Aero Precision AR15 Complete Upper with 8" .300 Blackout Pistol QPQ Barrel & LOGIC 7" M-LOK Handguard - An
Aero Precision AR15 Complete Upper with 16" 5.56 Mid-Length HBAR CHM/PH Barrel & Logic 15" M-LOK Handguard
Aero Precision AR15 Complete Upper with 12.5" 5.56 Carbine Length Gov QPQ Barrel & Logic 9" M-LOK Handguar
Aero Precision M5 (.308) Stripped Lower Receiver, Special Edition: Texas - Anodized Black - APAR308038C
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!