Foxtrot Mike Products Mike 15 Gen 2 5.56 Upper Receivers - Gen 2 Complete Upper 16" Intermediate Gas

Aero Precision M4E1 Complete Upper Receiver 16in 5.56 M4 Carbine Barrel EM-15 HG Gen 2 Anodized Black APAR640251M6

Aero Precision M4E1 Complete Upper Receiver 16in 5.56 M4 Carbine Barrel EM-15 HG Gen 2 Anodized Black APAR640251M6. This is a streamlined design that only needs eight screws to mount a free-floating handguard making these AR15 Upper Receivers a more... ... more

Aero Precision Complete Upper Receiver M4E1 14.7in 5.56 Mid Pencil Barrel EM-12 HG Gen 2 Anodized Black APAR640231M38

Aero Precision Complete Upper Receiver M4E1 14.7in 5.56 Mid Pencil Barrel EM-12 HG Gen 2 Anodized Black APAR640231M38. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual appeal and a new... ... more

Aero Precision Complete Upper Receiver M4E1 14.7in 5.56 Mid Pencil Barrel EQ-12 HG Gen 2 Anodized Black APAR640231Q38

Aero Precision Complete Upper Receiver M4E1 14.7in 5.56 Mid Pencil Barrel EQ-12 HG Gen 2 Anodized Black APAR640231Q38. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual appeal and a new... ... more

Foxtrot Mike Products Mike 15 Gen 2 5.56 Upper Receivers - Gen 2 Complete Upper 12.5" Midlength Gas

Foxtrot Mike is well known for its innovative 9MM PCC, as it has been a go to for competitive PCC shooters and consumers alike, for more than 6 years. The Foxtrot Mike Products AR-15 Gen 2 Upper Receiver is a premium quality upper receiver designed... ... more

Aero Precision M4E1 Threaded No Forward Assist Complete Upper Receiver 10.5in 5.56 Carbine RM9.2 Anodized Black APAR712702M2

Aero Precision M4E1 Threaded No Forward Assist Complete Upper Receiver 10.5in 5.56 Carbine RM9.2 Anodized Black APAR712702M2. The included ATLAS R-ONE Handguard is designed with size and weight in mind while still providing plenty of real-estate to... ... more

Aero Precision M4E1 Complete Upper Receiver 16in 5.56 M4 Carbine Barrel EM-15 HG Gen 2 FDE Cerakote APAR640252M6

Aero Precision M4E1 Complete Upper Receiver 16in 5.56 M4 Carbine Barrel EM-15 HG Gen 2 FDE Cerakote APAR640252M6. This is a streamlined design that only needs eight screws to mount a free-floating handguard making these AR15 Upper Receivers a more... ... more

Aero Precision Complete Upper Receiver M4E1 16in 5.56 Mid Pencil Length Barrel EQ-15 Gen 2 Handguard Anodized Black APAR640251Q39

Aero Precision Complete Upper Receiver M4E1 16in 5.56 Mid Pencil Length Barrel EQ-15 Gen 2 Handguard Anodized Black APAR640251Q39. This is a streamlined design that only needs eight screws to mount a free-floating handguard making these AR15 Upper... ... more

Aero Precision M4E1 Complete Upper Receiver 16in 5.56 M4 Carbine Barrel EQ-15 Gen 2 HG FDE Cerakote APAR640252Q6

Aero Precision M4E1 Complete Upper Receiver 16in 5.56 M4 Carbine Barrel EQ-15 Gen 2 HG FDE Cerakote APAR640252Q6. This is a streamlined design that only needs eight screws to mount a free-floating handguard making these AR15 Upper Receivers a more... ... more

Stag Arms AR-15 Tactical Left Hand Upper Receiver 5.56 NATO 16in Barrel Hanson Profile 1-7 Twist 1/2 x 28 Thread VG6 Delta Nitride Black STAG15110142

Stag Arms AR-15 Tactical Left Hand Upper Receiver 5.56 NATO 16in Barrel Hanson Profile 1-7 Twist 1/2 x 28 Thread VG6 Delta Nitride Black STAG15110142. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights... ... more

Stag Arms AR-15 Tactical Right Hand Upper Receiver 5.56 NATO 16in Barrel Maryland Compliant Hanson Profile 1-7 Twist 1/2 x 28 Thread VG6 Delta Nitride

Stag Arms AR-15 Tactical Right Hand Upper Receiver 5.56 NATO 16in Barrel Maryland Compliant Hanson Profile 1-7 Twist 1/2 x 28 Thread VG6 Delta Nitride. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights... ... more

Stag Arms AR-15 Upper Right Hand Receiver 5.56 NATO 16in Barrel NJ Compliant M4 Profile 1-7 Twist 1/2 x 28 Thread Compensator Black STAG15101113

Stag Arms AR-15 Upper Right Hand Receiver 5.56 NATO 16in Barrel NJ Compliant M4 Profile 1-7 Twist 1/2 x 28 Thread Compensator Black STAG15101113. Made to mil-spec standards this upper satisfies the need for a standard GI carbine. Featuring a 5.56x45mm... ... more

Stag Arms AR-15 Retro Right Hand Upper Receiver 5.56 NATO 20in Barrel GOV Profile 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider Black STAG15101011

Stag Arms AR-15 Retro Right Hand Upper Receiver 5.56 NATO 20in Barrel GOV Profile 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider Black STAG15101011. Made to mil-spec standards with a removable A3 carry handle and a rifle length thermoplastic... ... more

FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver 22.25 inch 12.5 inch Barrel Mid Length 1-8 Twist 1/2x28 Thread Free-Float Nitride Black

FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver 22.25 inch 12.5 inch Barrel Mid Length 1-8 Twist 1/2x28 Thread Free-Float Nitride Black. Specifications for FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver: Manufacturer: FM... ... more

FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver 24.75 inch 16 inch Barrel Intermediate 1-8 Twist 1/2x28 Thread Free-Float Nitride Black

FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver 24.75 inch 16 inch Barrel Intermediate 1-8 Twist 1/2x28 Thread Free-Float Nitride Black. Specifications for FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver: Manufacturer: FM... ... more

Aero Precision Complete Upper Receiver M4E1 16in 5.56 Mid Pencil Barrel EQ-12 HG Gen 2 FDE Cerakote APAR640232Q39

Aero Precision Complete Upper Receiver M4E1 16in 5.56 Mid Pencil Barrel EQ-12 HG Gen 2 FDE Cerakote APAR640232Q39. This is a streamlined design that only needs eight screws to mount a free-floating handguard making these AR15 Upper Receivers a more... ... more

Aero Precision Complete Upper Receiver M4E1 16in 5.56 Mid Pencil Barrel EM-12 HG Gen 2 Anodized Black APAR640231M39

Aero Precision Complete Upper Receiver M4E1 16in 5.56 Mid Pencil Barrel EM-12 HG Gen 2 Anodized Black APAR640231M39. This is a streamlined design that only needs eight screws to mount a free-floating handguard making these AR15 Upper Receivers a more... ... more

Aero Precision Complete Upper Receiver M4E1 16in 5.56 Mid Pencil Barrel EQ-12 HG Gen 2 Anodized Black APAR640231Q39

Aero Precision Complete Upper Receiver M4E1 16in 5.56 Mid Pencil Barrel EQ-12 HG Gen 2 Anodized Black APAR640231Q39. This is a streamlined design that only needs eight screws to mount a free-floating handguard making these AR15 Upper Receivers a more... ... more

Aero Precision M4E1 Complete Upper Receiver 16in 5.56 M4 Carbine Barrel EM-12 HG Gen 2 Anodized Black APAR640231M6

Aero Precision M4E1 Complete Upper Receiver 16in 5.56 M4 Carbine Barrel EM-12 HG Gen 2 Anodized Black APAR640231M6. This is a streamlined design that only needs eight screws to mount a free-floating handguard making these AR15 Upper Receivers a more... ... more

Maxim Defense Industries PDX U.R.G. Mil-Spec Upper Receiver 5.56 NATO Hate Brake 1/2-28 Thread 5.5in Barrel Arid Earth MXM-47812

Maxim Defense Industries PDX U.R.G. Mil-Spec Upper Receiver 5.56 NATO Hate Brake 1/2-28 Thread 5.5in Barrel Arid Earth MXM-47812. R.G ships with your choice of a Standard Mil-Spec BCG to be used with most common M4 compatible lowers or a PDX/SCW... ... more

Stag Arms AR-15 Upper Left Hand Receiver 5.56 NATO 16in Barrel NJ Compliant M4 Profile1-7 Twist 1/2 x 28 Thread Compensator Black STAG15111113

Stag Arms AR-15 Upper Left Hand Receiver 5.56 NATO 16in Barrel NJ Compliant M4 Profile1-7 Twist 1/2 x 28 Thread Compensator Black STAG15111113. Made to mil-spec standards this upper satisfies the need for a standard GI carbine. Featuring a 5.56x45mm... ... more

Aero Precision Complete Upper Receiver M4E1 16in 5.56 Mid Pencil Barrel EM-15 HG Gen 2 Anodized Black APAR640251M39

Aero Precision Complete Upper Receiver M4E1 16in 5.56 Mid Pencil Barrel EM-15 HG Gen 2 Anodized Black APAR640251M39. This is a streamlined design that only needs eight screws to mount a free-floating handguard making these AR15 Upper Receivers a more... ... more

Dark Storm Industries DS-15 Complete Upper 16" Lightning 5.56 Non Threaded Black 5.56 DSI-UC5-LGT-N5-BLK

Dark Storm Industries DS-15 Complete Upper 16" Lightning 5.56 Non Threaded Black 5.56 DSI-UC5-LGT-N5-BLK. 750 Micro Gas Block and Carbine Gas System. Specifications for Dark Storm Industries DS-15 16" Lightning 5.56 Upper Receiver: Manufacturer: Dark... ... more

Aero Precision M4E1-T SM10.3 5 Complete Upper 5.56 x 45 12.5inch Government Carbine 1-7 Twist 1/2 x 28 Thread Cerakote FDE APAR700113M30

Aero Precision M4E1-T SM10.3 5 Complete Upper 5.56 x 45 12.5inch Government Carbine 1-7 Twist 1/2 x 28 Thread Cerakote FDE APAR700113M30. 3 5.56 x 45 Complete Upper then you've found yourself in the absolute right location.. These AR15 Upper Receivers... ... more

Dark Storm Industries DS-15 Complete Upper 16" Typhoon 5.56 Threaded Black 5.56 DSI-UC5-TYP-T5-BLK

Dark Storm Industries DS-15 Complete Upper 16" Typhoon 5.56 Threaded Black 5.56 DSI-UC5-TYP-T5-BLK. 56 Upper Receiver Threaded was created to be the best item for anybody trying to find a high quality choice.. Established using several of the very most... ... more

2A Armament Balios Lite 10.5In G2 5.56 Complete Upper M-Lok Black 10.5in 2A-BCU556ML10BLK-2

2A Armament Balios Lite 10.5In G2 5.56 Complete Upper M-Lok Black 10.5in 2A-BCU556ML10BLK-2. 56 Complete Upper M-Lok was created to function as the ideally suited product for any person needing a top quality selection.. Formulated using some of the... ... more

Dark Storm Industries DS-15 Complete Upper 16" Lightning 5.56 Threaded Black 5.56 DSI-UC5-LGT-T5-BLK

Dark Storm Industries DS-15 Complete Upper 16" Lightning 5.56 Threaded Black 5.56 DSI-UC5-LGT-T5-BLK. 750 Micro Gas Block and Carbine Gas System. Specifications for Dark Storm Industries DS-15 16" Lightning 5.56 Upper Receiver: Manufacturer: Dark Storm... ... more

Guntec USA AR-15 5.56 Complete Upper Receiver Combo Kit Black GT-UPPER-KIT

Guntec USA AR-15 5.56 Complete Upper Receiver Combo Kit Black GT-UPPER-KIT. Formulated by using several of the most heavy duty and long lasting substances available these AR15 Upper Receivers from Guntec USA provides you with a product that will give... ... more

Aero Precision M4E1 Complete Upper Receiver 16in 5.56 M4 Carbine Barrel EQ-12 HG Gen 2 FDE Cerakote APAR640232Q6

Aero Precision M4E1 Complete Upper Receiver 16in 5.56 M4 Carbine Barrel EQ-12 HG Gen 2 FDE Cerakote APAR640232Q6. This is a streamlined design that only needs eight screws to mount a free-floating handguard making these AR15 Upper Receivers a more... ... more

Aero Precision Complete Upper Receiver M4E1 10.5in 5.56 Barrel w/ FSB EQ-7 HG Gen 2 FDE Cerakote APAR640212Q3

Aero Precision Complete Upper Receiver M4E1 10.5in 5.56 Barrel w/ FSB EQ-7 HG Gen 2 FDE Cerakote APAR640212Q3. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual appeal and a new profile for... ... more

Aero Precision Complete Upper Receiver M4E1 10.5in 5.56 Barrel w/ FSB EM-7 HG Gen 2 FDE Cerakote APAR640212M3

Aero Precision Complete Upper Receiver M4E1 10.5in 5.56 Barrel w/ FSB EM-7 HG Gen 2 FDE Cerakote APAR640212M3. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual appeal and a new profile for... ... more

Aero Precision Complete Upper Receiver M4E1 14.7in 5.56 Mid Pencil Barrel EM-12 HG Gen 2 FDE Cerakote APAR640232M38

Aero Precision Complete Upper Receiver M4E1 14.7in 5.56 Mid Pencil Barrel EM-12 HG Gen 2 FDE Cerakote APAR640232M38. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual appeal and a new... ... more

Aero Precision AR-15 Complete Upper Receiver 5.56 Mid-Length 16 inch Barrel w/Pinned FSB Magpul MOE Handguard A2 Flash Hider Anodized Black

Aero Precision AR-15 Complete Upper Receiver 5.56 Mid-Length 16 inch Barrel w/Pinned FSB Magpul MOE Handguard A2 Flash Hider Anodized Black. 56 Rifle Length Barrel w/ Pinned FSB and Magpul MOE Rifle Length Handguard Specifications for Aero Precision... ... more

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 10.5in 5.56 Barrel 9in M-LOK ATLAS S-ONE Handguard Anodized Black

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 10.5in 5.56 Barrel 9in M-LOK ATLAS S-ONE Handguard Anodized Black. By combining our lightest handguards and barrel profiles with the No Forward Assist Upper Receiver you... ... more

Stag Arms AR-15 Tactical Right Hand Upper Receiver 5.56 NATO 7.5in Barrel GOV-CMV Profile 1-7 Twist 1/2 x 28 Thread VG6 Delta Chromephos FDE

Stag Arms AR-15 Tactical Right Hand Upper Receiver 5.56 NATO 7.5in Barrel GOV-CMV Profile 1-7 Twist 1/2 x 28 Thread VG6 Delta Chromephos FDE. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights optics and... ... more

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 16in 5.56 Mid-Length Barrel 15in M-LOK ATLAS R-ONE Handguard Anodized

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 16in 5.56 Mid-Length Barrel 15in M-LOK ATLAS R-ONE Handguard Anodized. By combining our lightest handguards and barrel profiles with the No Forward Assist Upper Receiver... ... more

Aero Precision AR-15 Complete Upper Receiver 5.56 Mid-Length 16 inch Barrel w/Pinned FSB Magpul MOE SL Handguard A2 Flash Hider Anodized Black

Aero Precision AR-15 Complete Upper Receiver 5.56 Mid-Length 16 inch Barrel w/Pinned FSB Magpul MOE SL Handguard A2 Flash Hider Anodized Black. These AR15 Upper Receivers from the innovators at Aero Precision feature a 5.56 barrel that is chambered for... ... more

Stag Arms AR-15 Tactical Right Hand Upper Receiver 5.56 NATO 7.5in Barrel GOV-CMV Profile 1-7 Twist 1/2 x 28 Thread VG6 Delta Nitride FDE STAG15101922

Stag Arms AR-15 Tactical Right Hand Upper Receiver 5.56 NATO 7.5in Barrel GOV-CMV Profile 1-7 Twist 1/2 x 28 Thread VG6 Delta Nitride FDE STAG15101922. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights... ... more