Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 7.5 inch Barrel Black Charging Handle 7 inch Rail A2 Flash Hider U5617510

Daniel Defense Mk18 5.56 Upper Receiver Group Complete - Mk18 10.3" Upper Receiver 5.56 1-7 Govt Bla

The Daniel Defense MK18 Upper Receiver Group features the railed forend Daniel Defense currently provides to USSOCOM and a 10.3" Cold Hammer Forged Barrel. The MK18 Rail Interface System (RIS II) features the Bolt-Up System has been rigorously tested... ... more

Daniel Defense Mk18 5.56 Upper Receiver Group Complete - Mk18 10.3" Upper Receiver 5.56 1-7 Govt Fde

The Daniel Defense MK18 Upper Receiver Group features the railed forend Daniel Defense currently provides to USSOCOM and a 10.3" Cold Hammer Forged Barrel. The MK18 Rail Interface System (RIS II) features the Bolt-Up System has been rigorously tested... ... more

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 7.5 inch Barrel FDE Charging Handle 7 inch Rail A2 Flash Hider U5617520

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 7.5 inch Barrel FDE Charging Handle 7 inch Rail A2 Flash Hider U5617520. 5 Upper is a lightweight forged upper designed to be the ideal platform for your next project. With the 7.5-inch... ... more

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 7.5 inch Barrel Midnight Bronze Charging Handle 7 inch Rail A2 Flash Hider U5617560

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 7.5 inch Barrel Midnight Bronze Charging Handle 7 inch Rail A2 Flash Hider U5617560. 5 Upper is a lightweight forged upper designed to be the ideal platform for your next project. With the... ... more

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 16 inch Barrel Black Charging Handle 15 inch Rail A2 Flash Hider U5611610

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 16 inch Barrel Black Charging Handle 15 inch Rail A2 Flash Hider U5611610. 56 BCG provides the end user with a mil-spec bore and grooved free float profile barrel. Combined with a U-shaped... ... more

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 16 inch Barrel Tungsten Charging Handle 15 inch Rail A2 Flash Hider U5611630

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 16 inch Barrel Tungsten Charging Handle 15 inch Rail A2 Flash Hider U5611630. 56 BCG provides the end user with a mil-spec bore and grooved free float profile barrel. Combined with a U-shaped... ... more

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 5 inch Barrel Midnight Bronze Charging Handle 5 inch Rail A2 Flash Hider U5615060

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 5 inch Barrel Midnight Bronze Charging Handle 5 inch Rail A2 Flash Hider U5615060. Brigade 's complete upper assemblies are designed to be the building blocks of your next rifle. These AR15... ... more

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 16 inch Barrel Midnight Bronze Charging Handle 15 inch Rail A2 Flash Hider U5611660

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 16 inch Barrel Midnight Bronze Charging Handle 15 inch Rail A2 Flash Hider U5611660. 56 BCG provides the end user with a mil-spec bore and grooved free float profile barrel. Combined with a... ... more

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 16 inch Barrel FDE Charging Handle 15 inch Rail A2 Flash Hider U5611620

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 16 inch Barrel FDE Charging Handle 15 inch Rail A2 Flash Hider U5611620. 56 BCG provides the end user with a mil-spec bore and grooved free float profile barrel. Combined with a U-shaped... ... more

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 5 inch Barrel FDE Charging Handle 5 inch Rail A2 Flash Hider U5615020

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 5 inch Barrel FDE Charging Handle 5 inch Rail A2 Flash Hider U5615020. Brigade 's complete upper assemblies are designed to be the building blocks of your next rifle. These AR15 Upper... ... more

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 10.5 inch Barrel FDE Charging Handle 10 inch Rail A2 Flash Hider U5610520

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 10.5 inch Barrel FDE Charging Handle 10 inch Rail A2 Flash Hider U5610520. 56 family allowing the shooter to mount any accessory to the barrel without sacrificing the weight of a modular... ... 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

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

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 10.5 inch Barrel Tungsten Charging Handle 10 inch Rail A2 Flash Hider U5610530

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 10.5 inch Barrel Tungsten Charging Handle 10 inch Rail A2 Flash Hider U5610530. 56 family allowing the shooter to mount any accessory to the barrel without sacrificing the weight of a modular... ... 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 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

Aero Precision M4E1 Complete Upper Receiver 5.56 Barrel w/ FSB EM-7 HG No BCG/Charging Handle Anodized Black 10.5in APAR600211M3

Aero Precision M4E1 Complete Upper Receiver 5.56 Barrel w/ FSB EM-7 HG No BCG/Charging Handle Anodized Black 10.5in APAR600211M3. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual appeal and... ... 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

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

Aero Precision AR-15 Complete Upper Receiver 5.56 Carbine 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 Carbine 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... ... more

Aero Precision M4E1 Complete Upper Receiver 5.56 Mid Barrel EM-12 HG No BCG/Charging Handle Anodized Black 14.5in APAR600231M5

Aero Precision M4E1 Complete Upper Receiver 5.56 Mid Barrel EM-12 HG No BCG/Charging Handle Anodized Black 14.5in APAR600231M5. 56 Mid Barrel EM-12 HG. Formulated by using some of the most extremely robust and dependable materials in existence these... ... more

Brigade Manufacturing AR Complete Upper Receiver Forged 9mm 16 inch Barrel Black Mini Can 15 inch Rail No Charging Handle NO BCG U091161V

Brigade Manufacturing AR Complete Upper Receiver Forged 9mm 16 inch Barrel Black Mini Can 15 inch Rail No Charging Handle NO BCG U091161V. . These AR15 Upper Receivers through the expert product experts at Brigade Manufacturing are fashioned working... ... more

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

Aero Precision AR-15 Complete Upper Receiver 5.56 Mid-Length 16 inch Barrel w/Pinned FSB Magpul MOE Handguard A2 Flash Hider FDE Cerakote. 56 Rifle Length Barrel w/ Pinned FSB and Magpul MOE Rifle Length Handguard Specifications for Aero Precision AR15... ... more

Aero Precision Complete Upper Receiver M4E1-T 20in 5.56 Rifle Length Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M48

Aero Precision Complete Upper Receiver M4E1-T 20in 5.56 Rifle Length Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M48. Aero Precision built these AR Handguards & Barrels with their ATLAS S-ONE Handguard and 20in 5.56 Rifle length... ... 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

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

Aero Precision AR-15 Complete Upper Receiver 5.56 Carbine 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... ... more

Aero Precision AR-15 Complete Upper Receiver 5.56 Rifle Length 20 inch Barrel w/Pinned FSB Magpul MOE Handguard A2 Flash Hider Anodized Black

Aero Precision AR-15 Complete Upper Receiver 5.56 Rifle Length 20 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 Complete Upper Receiver 5.56 Carbine Length 10.5 inch Barrel w/Pinned FSB Magpul MOE Handguard A2 Flash Hider Anodized Black

Aero Precision AR-15 Complete Upper Receiver 5.56 Carbine Length 10.5 inch Barrel w/Pinned FSB Magpul MOE Handguard A2 Flash Hider Anodized Black. 5" 5.56 Rifle Length Barrel w/ Pinned FSB and Magpul MOE Rifle Length Handguard Specifications for Aero... ... more

Aero Precision AR-15 Complete Upper Receiver 5.56 Carbine Length 10.5 inch Barrel w/Pinned FSB Magpul MOE SL Handguard A2 Flash Hider Anodized Black

Aero Precision AR-15 Complete Upper Receiver 5.56 Carbine Length 10.5 inch Barrel w/Pinned FSB Magpul MOE SL Handguard A2 Flash Hider Anodized Black. 5" 5.56 Rifle Length Barrel w/ Pinned FSB and Magpul MOE Rifle Length Handguard Specifications for... ... 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 Gamma Black STAG15100144

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 Gamma Black STAG15100144. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights optics and... ... more

Stag Arms AR-15 Upper Right Hand Receiver 5.56 NATO 16in Barrel M4 Profile 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider Black STAG15101111

Stag Arms AR-15 Upper Right Hand Receiver 5.56 NATO 16in Barrel M4 Profile 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider Black STAG15101111. Made to mil-spec standards this upper satisfies the need for a standard GI carbine. Featuring a 5.56x45mm... ... 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

Aero Precision AR-15 Complete Upper Receiver 5.56 Carbine Length 10.5 inch Barrel w/Pinned FSB Magpul MOE SL Handguard A2 Flash Hider FDE Cerakote

Aero Precision AR-15 Complete Upper Receiver 5.56 Carbine Length 10.5 inch Barrel w/Pinned FSB Magpul MOE SL Handguard A2 Flash Hider FDE Cerakote. 5" 5.56 Rifle Length Barrel w/ Pinned FSB and Magpul MOE Rifle Length Handguard Specifications for Aero... ... more

Aero Precision AR-15 Complete Upper Receiver 5.56 Rifle Length 20 inch Barrel w/Pinned FSB Magpul MOE Handguard A2 Flash Hider FDE Cerakote

Aero Precision AR-15 Complete Upper Receiver 5.56 Rifle Length 20 inch Barrel w/Pinned FSB Magpul MOE Handguard A2 Flash Hider FDE Cerakote. 56 Rifle Length Barrel w/ Pinned FSB and Magpul MOE Rifle Length Handguard Specifications for Aero Precision... ... more

Aero Precision M4E1 Complete Upper Receiver 5.56 Barrel w/ FSB EQ-7 HG No BCG/Charging Handle Anodized Black 10.5in APAR600211Q3

Aero Precision M4E1 Complete Upper Receiver 5.56 Barrel w/ FSB EQ-7 HG No BCG/Charging Handle Anodized Black 10.5in APAR600211Q3. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual appeal 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