AR-15 Complete Uppers

Aero Precision AR-15 16" 5.56 Carbine Complete Upper w/ Pinned FSB, MOE Carbine - Black The Aero Precision AR-15 16" 5.56 Carbine Complete Upper is a top-tier component designed for durability and performance. It features a 16" 5...

Aero Precision M4E1 Threaded 16" .223 Wylde Fluted Complete Upper Receiver with ATLAS R-ONE Handguard - Anodized Black This complete upper includes Aero Precision's new ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight...

Aero Precision M4E1 Threaded Complete Upper 16" 5.56 Mid Pencil Length Barrel, ATLAS R-ONE 15" M-LOK HG - Anodized This complete upper includes Aero Precision’s new ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in...

Dirty Bird 16" 5.56 NATO Govt M-LOK Upper Assembly V3 This Dirty Bird Industries Complete Upper features a Black Nitride 16" Sub-MOA Government Profile barrel chambered in 5.56 with a 1:7 twist. Built on a top-tier t-marked Forged Upper Receiver and...

Foxtrot Mike 16" 9mm Front Charging Complete Upper w/ 4-Port Micro Brake   The Foxtrot Mike Products MIKE-9 Complete 9x19mm Upper Receiver is built from the ground up to provideoutstanding reliability and accuracy with a host of top tier features...

Colt LE6920 Enhanced Complete Upper with Centurion Rail - 5.56 - 16" The Colt LE6920 Enhanced Complete Upper with Centurion Rail is a great option to upgrade your current AR-15 or for your next build. This upper receiver offers a free-floated barrel and...

Foxtrot Mike 16" Rear Charging 9mm Complete Upper w/ 4-Port Micro Brake This amazing 16" complete upper from Foxtrot Mike has all of the expensive features and high-quality workmanship that FM Products is quickly becoming famous for, but at a price tag...

Foxtrot Mike FM-15 Gen 2 16" .223 Wylde Lightweight Intermediate M-LOK Complete Upper This amazing 16" complete upper from Foxtrot Mike has all of the expensive features and high-quality workmanship that FM Products is quickly becoming famous for, but...

Aero Precision 5.56 Carbine Upper Assembly - Pinned FSB - MOE SL Handguard - 16" Embark on your next AR-15 project with Aero Precision's 5.56 Carbine Upper Assembly. This robust upper receiver comes with a 16” barrel, optimized for the 5.56 NATO...

Aero Precision AR-15 16" 5.56 Complete Upper w/ Pinned FSB, MOE Carbine - FDE The Aero Precision AR-15 16" 5.56 Complete Upper in FDE is a robust and versatile choice for AR-15 enthusiasts. This upper assembly includes a 16" 5.56 carbine barrel with a...

Aero Precision AR-15 16" 5.56 Midlength Complete Upper w/ Pinned FSB, MOE Midlength Handguard – Black Get started on your new AR-15 build with this Aero Precision Barreled Upper Receiver. It features a 16” barrel chambered in 5.56 NATO. It...

Aero Precision AR-15 Complete Upper, 16" 5.56 Carbine Barrel with Pinned FSB & M4 Handguard Elevate your AR-15 with the Aero Precision Complete Upper, a perfect blend of form and function. This unit features a standard AR15 upper receiver paired...

Aero Precision AR-15 Complete Upper, 16" 5.56 Mid-Length Barrel w/ Pinned FSB, M4 Handguard (Includes BCG & CH) This AR15 Complete Upper features a 16" 5.56 Mid-Length Barrel w/ Pinned FSB, Mid Handguard, BCG and Charging Handle Upper...

Aero Precision AR-15 Complete Upper, 16" 5.56 Mid-Length Barrel w/ Pinned FSB, MOE Mid-Length - FDE This AR15 Complete Upper features a 16" 5.56 Mid-Length Barrel w/ Pinned FSB and Magpul™ MOE® Mid-Length Handguard Upper...

Aero Precision EPC-9 Enhanced 16" 9mm Complete Upper Receiver w/ Enhanced 15" Handguard - Anodized Black This EPC-9 Complete Upper Receiver comes standard with our Enhanced Gen 2 Handguard. Our Enhanced M-LOK Handguards provide a lightweight free float...

Aero Precision M4E1 Complete Upper 16" .300 Blackout Barrel EM-15 Gen 2 Handguard - Anodized Black This Complete Upper includes Aero Precision's Gen 2 Enhanced Handguard! Key features include the addition of quick disconnect sling sockets, enhanced...

Aero Precision M4E1 Threaded Barreled Upper 5.56 Carbine Length ATLAS R-One - 16" This Aero Precision M4E1 Threaded upper receiver group comes completely assembled with 16” 5.56 barrel and the ATLAS R-ONE M-LOK handguard. This barreled upper...

Aero Precision M4E1 Threaded Complete Upper, 16" .300 Blackout Barrel, ATLAS R-ONE 15" M-LOK HG - Anodized The Aero Precision AR-15 barreled upper receiver is built around the M4E1 Threaded upper receiver designed for use with standard barrel nut setups...

Aero Precision M4E1 Threaded Complete Upper, 16" 5.56 Mid Pencil Length Barrel, 15" M-LOK ATLAS S-ONE Handguard - Anodized Black Protect your hands and rails from your muzzle with this Aero Precision M4E1 Threaded 5.56 Mid Pencil Barrel w/ ATLAS S-ONE...

Aero Precision M4E1 Threaded Complete Upper, 16" 5.56 Mid-Length Barrel, ATLAS R-ONE 15" M-LOK HG This Aero Precision M4E1 Threaded AR-15 upper receiver group comes completely assembled with 16” 5.56 barrel and the ATLAS R-ONE M-LOK handguard...

Aero Precision M4E1-T 16" 5.56 Carbine Complete Upper w/ 15? M-LOK ATLAS S-ONE Handguard The Aero Precision M4E1 Threaded AR-15 Barreled Upper Receiver is perfect for shooters who are looking for a little more out of their build. The unique receiver...

Aero Precision M4E1-T 16" 5.56 Midlength R-ONE Complete Upper - ODG Anodized This complete upper includes Aero Precision's new ATLAS R-ONE Handguard on their billet-style threaded M4E1 upper. R-ONE handguards are designed with size and weight in mind,...

Aero Precision M4E1-T Complete Upper, 16" .223 Wylde Fluted SS Barrel, 15" M-LOK ATLAS S-ONE HG - Anodized This complete upper includes our new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the...

Dirty Bird 16″ RECCE V2 .223 Wylde M-LOK Upper Assembly The Dirty Bird RECCE V2 Upper Assembly is the latest evolution of our popular 16" SMRS Upper Assembly. This upper is built to withstand extreme hard use while maintaining...

Dirty Bird 16" Side-Charging 5.56 NATO Govt M-LOK Complete Upper This Dirty Bird Industries 9mm Complete Upper features a Side-Charging upper receiver and pairs it with one of the best-selling 15″ Dirty Bird SMRS M-LOK Handguards. NEW: The...

Dirty Bird Slick-Side 16" 9mm 1:10 M-LOK Complete Upper This Dirty Bird Industries 9mm Complete Upper features a PCC (Pistol Caliber Carbine) upper receiver with a Last Round Bolt Hold Open (LRBHO) mechanism and pairs it with one of the best-selling...

Faxon ARAK-21 16” 5.56 Ambidextrous Piston Complete Upper The ARAK-21® is a gas piston actuated, complete upper receiver assembly designed to seamlessly interface with the standard AR-15 platform.  The total extent of the...

Foxtrot Mike 16" Rear Charging .45 AR-15 Complete Upper, 15" Handguard, CA Compliant Brake, Includes BCG The Foxtrot Mike Products Complete .45 AR upper is the package you have been waiting for to finish your Glock mag AR-45 build. This .45 upper...

Foxtrot Mike Products 16" Forward Charging .45 AR-15 Complete Upper The Foxtrot Mike Products FM-9 Complete .45 AR-15 Upper Receiver is built from the ground up to provide outstanding reliability and accuracy with a host of top tier features. The...

Foxtrot Mike Products 16″ Forward Charging 45 ACP AR-15 Complete Upper Precision, Reliability, and Performance in a Forward-Charging .45 ACP Upper. The Foxtrot Mike Products 16" Forward Charging .45 ACP AR-15 Complete Upper is a high-performance,...

Foxtrot Mike Products 16" Forward Charging 9mm AR-15 Complete Upper The Foxtrot Mike Products FM-9 Complete 9mm AR-15 Upper Receiver is built from the ground up to provide outstanding reliability and accuracy with a host of top tier features. The...

Foxtrot Mike Products 16" Rear Charging .45 AR-15 Complete Upper The Foxtrot Mike Products Complete .45 AR upper is the package you have been waiting for to finish your Glock mag AR-45 build. This .45 upper receiver comes with all the features...

Geissele Automatics Duty AR-15 Complete Upper Receiver Mid-length - OD Green - 16" The Geissele Super Duty Upper (Complete) features the latest in weapon technology available exclusively from Geissele Automatics. This 16” complete upper chambered...

Geissele Automatics Super Duty MOD1 AR-15 Complete Upper Receiver Mid-length - DDC - 16" The Geissele Super Duty Upper (Complete) features the latest in weapon technology available exclusively from Geissele Automatics. This 16” complete upper...

Sons Of Liberty Gun Works East India Starter Kit 5.56 Barreled Upper - 16" At Sons of Liberty Gun Works we believe in Quality Mil-Spec or better parts. We believe there is no substitute for quality and that your gun should be built right the first time,...

Aero Precision AR-15 Complete Upper, 16" 5.56 Carbine Barrel with Pinned FSB & M4 Handguard This AR-15 Complete Upper features a 16" 5.56 Carbine Length Barrel w/ Pinned FSB, M4 Handguard Features: Upper: Standard AR-15 Upper Receiver Barrel:...