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 15 5.56 M4 Upper Receivers - Stag 15 M4 Phosphate Upper

No matter how many options emerge in the massive AR-15 market, there's always going to be a demand for that classic, M4-style configuration that's been proven on battlefields across the world. Now, you can have an AR-15 that's built to the same... ... more

Stag 15 5.56 16in Tactical Nitride Upper Receivers - Stag 15 Tactical Nitride Upper

Looking to take your AR-15 to the next level? Maybe you have a dedicated upper receiver designed for a particular task, and you're looking to open up your rifle's capabilities? This Stag Arms Stag-15 Tactical Upper Receiver is an easy swap for your... ... more

Colt Enhanced Patrol Rifle Epr 5.56 M4 Upper Receiver Groups - M4 Le6920epr Upper Group 16in With Bc

The Colt EPR, or Enhanced Patrol Rifle, line of M4 Upper Receivers that come with Centurion Arms free float M-LOK handguards, making for a convenient and practical upper receiver ready to drop on your AR-15 lower receiver. Available in 3 different... ... more

Stag Arms AR-15 3-Gun Elite Right HandUpper Receiver 5.56 NATO 18in Barrel NJ Compliant Heavy-Fluted Profile 1-8 Twist VG6 Gamma Black STAG15100613

Stag Arms AR-15 3-Gun Elite Right HandUpper Receiver 5.56 NATO 18in Barrel NJ Compliant Heavy-Fluted Profile 1-8 Twist VG6 Gamma Black STAG15100613. Specifications for Stag Arms AR-15 3-Gun Elite Right HandUpper Receiver: Manufacturer: Stag Arms Color:... ... more

Stag Arms AR-15 3-Gun Elite Left HandUpper Receiver 5.56 NATO 18in Barrel NJ Compliant Heavy-Fluted Profile 1-8 Twist VG6 Gamma Black STAG15110613

Stag Arms AR-15 3-Gun Elite Left HandUpper Receiver 5.56 NATO 18in Barrel NJ Compliant Heavy-Fluted Profile 1-8 Twist VG6 Gamma Black STAG15110613. . Developed working with several of the most robust and dependable resources in existence these AR15... ... more

Stag Arms AR-15 Upper Right Hand Receiver 5.56 NATO 16in Barrel Maryland Compliant HBAR Profile 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider

Stag Arms AR-15 Upper Right Hand Receiver 5.56 NATO 16in Barrel Maryland Compliant HBAR Profile 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider. 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 Left Hand Upper Receiver 5.56 NATO 20in Barrel NJ Compliant GOV Profile 1-7 Twist 1/2 x 28 Thread Compensator Black STAG15111013

Stag Arms AR-15 Retro Left Hand Upper Receiver 5.56 NATO 20in Barrel NJ Compliant GOV Profile 1-7 Twist 1/2 x 28 Thread Compensator Black STAG15111013. Made to mil-spec standards with a removable A3 carry handle and a rifle length thermoplastic... ... 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

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 Retro Right Hand Upper Receiver 5.56 NATO 20in Barrel NJ Compliant 1-7 Twist 1/2 x 28 Thread Compensator Black STAG15101013

Stag Arms AR-15 Retro Right Hand Upper Receiver 5.56 NATO 20in Barrel NJ Compliant 1-7 Twist 1/2 x 28 Thread Compensator Black STAG15101013. Made to mil-spec standards with a removable A3 carry handle and a rifle length thermoplastic handguard with... ... more

Stag Arms AR-15 Tactical Right Hand Upper Receiver 5.56 NATO 16in Barrel Hanson Profile 1-7 Twist 1/2 x 28 Thread VG6 Delta Black STAG15100142

Stag Arms AR-15 Tactical Right Hand Upper Receiver 5.56 NATO 16in Barrel Hanson Profile 1-7 Twist 1/2 x 28 Thread VG6 Delta Black STAG15100142. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights optics and... ... more

Tiger Rock Complete Upper Receiver AR-15 5.56 NATO 16in Mid Length 1-7 Twist w/ 16in Keymod Handguard Black Large UB15-FKM16

Tiger Rock Complete Upper Receiver AR-15 5.56 NATO 16in Mid Length 1-7 Twist w/ 16in Keymod Handguard Black Large UB15-FKM16. The Upper Receiver 16in Barrel and Bolt Carrier Group are made in specialized factories Included is a 16in Free Float Keymod... ... more

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 11.5in 5.56 Barrel 9in M-LOK ATLAS R-ONE Handguard Anodized Black

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 11.5in 5.56 Barrel 9in M-LOK ATLAS R-ONE Handguard Anodized Black. By combining our lightest handguards and barrel profiles with the No Forward Assist Upper Receiver you... ... more

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 11.5in 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 11.5in 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 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

AIM Sports Inc Complete AR Pistol Upper Receiver w/ BCG 5.56 NATO 10.5in Barrel M4 Profile Carbine 1-8 Twist 1/2x28 Thread 10M-LOK Free Float

AIM Sports Inc Complete AR Pistol Upper Receiver w/ BCG 5.56 NATO 10.5in Barrel M4 Profile Carbine 1-8 Twist 1/2x28 Thread 10M-LOK Free Float. . Developed by using several of the most extremely heavy duty and dependable resources in existence these... ... more

Dark Storm Industries DS-15 Typhoon Complete Upper Receiver 5.56 NATO 7.5in Barrel M4 Pistol Profile 1-7 Twist 1/2x28 Thread M-Lok Firestorm Type III

Dark Storm Industries DS-15 Typhoon Complete Upper Receiver 5.56 NATO 7.5in Barrel M4 Pistol Profile 1-7 Twist 1/2x28 Thread M-Lok Firestorm Type III. 750 Micro Gas Block andPistol Gas System DSI 7.5" SOCOM 5.56 Threaded 1:7 Nitrite Barrel andDSI... ... more

Rainier Arms Rellim Arms AR-15 5.56 Nato Take Down Upper Receiver Assembly Black 16 in RA-TDURA-556-16

Rainier Arms Rellim Arms AR-15 5.56 Nato Take Down Upper Receiver Assembly Black 16 in RA-TDURA-556-16. Utilizing Rellims patented quick detach upper receiver and barrel nut system and Rainiers quality parts its a match made in heaven. Whether you want... ... more

Stag Arms AR-15 Upper Left Hand Receiver 5.56 NATO 16in Barrel Maryland Compliant HBAR Profile 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider Black

Stag Arms AR-15 Upper Left Hand Receiver 5.56 NATO 16in Barrel Maryland Compliant HBAR Profile 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider Black. Made to mil-spec standards this upper satisfies the need for a standard GI carbine. Featuring a... ... 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 Pencil 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 Pencil 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 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 16in 5.56 Mid Pencil Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized

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

Stag Arms AR-15 Retro Right Hand Upper Receiver 5.56 NATO 20in Barrel 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 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 handguard with... ... more

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 NATO 14.5 in Barrel M4 Profile 1-7 Twist 1/2x28 Thread 12 in ATLAS R-ONE M-LOK Handguard

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 NATO 14.5 in Barrel M4 Profile 1-7 Twist 1/2x28 Thread 12 in ATLAS R-ONE M-LOK Handguard. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Stag Arms AR-10 Long Range Right Hand Upper Receiver 6.5 Creedmore 24in Barrel NJ Compliant HBAR-CMV Profile 1-10 Twist 5/8X24 Thread VG6 Gamma Black

Stag Arms AR-10 Long Range Right Hand Upper Receiver 6.5 Creedmore 24in Barrel NJ Compliant HBAR-CMV Profile 1-10 Twist 5/8X24 Thread VG6 Gamma Black. Specifications for Stag Arms AR-10 Long Range Right Hand Upper Receiver: Manufacturer: Stag Arms... ... 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 S-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 S-ONE Handguard Anodized. By combining our lightest handguards and barrel profiles with the No Forward Assist Upper Receiver... ... more

Aero Precision AR15 Complete Upper Receiver 16in 5.56 Mid-Length Barrel w/ Pinned Front Sight Base M4 Handguard Black APAR505631

Aero Precision AR15 Complete Upper Receiver 16in 5.56 Mid-Length Barrel w/ Pinned Front Sight Base M4 Handguard Black APAR505631. 56 NATO complete upper receiver from Aero Precision. These Mil-Spec AR15 Upper Receivers are built from tough 4150 Chrome... ... more

Stag Arms AR-10 Tactical Left Hand Upper Receiver 308 Win 16in Barrel NJ Compliant TAC-GOV-CMV Profile 1-10 Twist 5/8X24 Thread VG6 Gamma FDE

Stag Arms AR-10 Tactical Left Hand Upper Receiver 308 Win 16in Barrel NJ Compliant TAC-GOV-CMV Profile 1-10 Twist 5/8X24 Thread VG6 Gamma FDE. Specifications for Stag Arms AR-10 Tactical Left Hand Upper Receiver: Manufacturer: Stag Arms Finish:... ... more

Aero Precision Complete Upper Receiver M4E1-T 5.56 16in M4 Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700315M6

Aero Precision Complete Upper Receiver M4E1-T 5.56 16in M4 Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700315M6. Specifications for Aero Precision M4E1 16in 5.56 ATLAS S-ONE M-LOK Complete Upper Receiver with Flash Hider:... ... more

Aero Precision Complete Upper Receiver M4E1-T 5.56 16in M4 Barrel 12in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700304M6

Aero Precision Complete Upper Receiver M4E1-T 5.56 16in M4 Barrel 12in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700304M6. Specifications for Aero Precision M4E1 16in 5.56 ATLAS S-ONE M-LOK Complete Upper Receiver with Flash Hider: Manufacturer:... ... more

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 14.7in 5.56 Mid Pencil Barrel 12in M-LOK ATLAS S-ONE Handguard

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 14.7in 5.56 Mid Pencil Barrel 12in M-LOK ATLAS S-ONE Handguard. By combining our lightest handguards and barrel profiles with the No Forward Assist Upper Receiver you can... ... more

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 14.7in 5.56 Mid Pencil Barrel 12in M-LOK ATLAS R-ONE Handguard

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 14.7in 5.56 Mid Pencil Barrel 12in M-LOK ATLAS R-ONE Handguard. By combining our lightest handguards and barrel profiles with the No Forward Assist Upper Receiver you can... ... more

Stag Arms AR-15 3-Gun Right Hand Upper Receiver 223 WYLDE 16in Barrel Hanson Profile 1-8 Twist 1/2-28 Thread VG6 Gamma Black STAG15103202

Stag Arms AR-15 3-Gun Right Hand Upper Receiver 223 WYLDE 16in Barrel Hanson Profile 1-8 Twist 1/2-28 Thread VG6 Gamma Black STAG15103202. Specifications for Stag Arms AR-15 3-Gun Right Hand Upper Receiver: Manufacturer: Stag Arms Color: Black Finish:... ... more

Stag Arms AR-15 Tactical Upper Receiver .300 AAC Blackout 16in Barrel Hanson Profile 1-7 Twist 1/2x28 Right Hand VG6 Delta FDE STAG15103002

Stag Arms AR-15 Tactical Upper Receiver .300 AAC Blackout 16in Barrel Hanson Profile 1-7 Twist 1/2x28 Right Hand VG6 Delta FDE STAG15103002. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights optics and... ... more

Aero Precision AR15 Complete Upper 16in 5.56 Mid-Length Barrel w/ Pinned FSB M4 Handguard Includes BCG & CH Anodized Black APAR505731

Aero Precision AR15 Complete Upper 16in 5.56 Mid-Length Barrel w/ Pinned FSB M4 Handguard Includes BCG & CH Anodized Black APAR505731. 56 NATO complete upper receiver from Aero Precision. These Mil-Spec AR15 Upper Receivers are built from tough 4150... ... more

Stag Arms AR-10 Long Range Right Hand Upper Receiver 308 Winchester 20in Barrel NJ Compliant HBAR-CMV Profile 1-10 Twist 5/8X24 Thread VG6 Gamma Black

Stag Arms AR-10 Long Range Right Hand Upper Receiver 308 Winchester 20in Barrel NJ Compliant HBAR-CMV Profile 1-10 Twist 5/8X24 Thread VG6 Gamma Black. Specifications for Stag Arms AR-10 Long Range Right Hand Upper Receiver: Manufacturer: Stag Arms... ... more

Stag Arms AR-10 Marksman Right Hand Upper Receiver 6.5 Creedmore 22in Barrel NJ Compliant BULL Profile 1-10 Twist 5/8X24 Thread VG6 Gamma FDE

Stag Arms AR-10 Marksman Right Hand Upper Receiver 6.5 Creedmore 22in Barrel NJ Compliant BULL Profile 1-10 Twist 5/8X24 Thread VG6 Gamma FDE. Specifications for Stag Arms AR-10 Marksman Right Hand Upper Receiver: Manufacturer: Stag Arms Finish:... ... more