Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 7.5 inch Barrel Tungsten Charging Handle 7 inch Rail A2 Flash Hider U5617530

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

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

Colt M16 R0901 5.56 Complete Upper Receiver Groups - M16 Upper Group 20in Moe With Bcg & Charging Ha

M16 Upper Receiver Groups now available from Colt! These 20" Upper Receiver Groups feature the same barrel used on M16A2 and M16A4 rifles, which has a Government profile and feature a chrome lined bore and chamber, along with a 1-7 twist. Colt has... ... more

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

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

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 5 inch Barrel Tungsten Charging Handle 5 inch Rail A2 Flash Hider U5615030

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 5 inch Barrel Tungsten Charging Handle 5 inch Rail A2 Flash Hider U5615030. 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

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 10.5 inch Barrel Midnight Bronze Charging Handle 10 inch Rail A2 Flash Hider U5610560

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 10.5 inch Barrel Midnight Bronze Charging Handle 10 inch Rail A2 Flash Hider U5610560. 56 family allowing the shooter to mount any accessory to the barrel without sacrificing the weight of a... ... 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

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

DEMO 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... ... 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 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 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

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

Aero Precision Complete Upper Receiver M4E1 Threaded PRO 5.56 13.7in Barrel Gov Profile Mid-Length Gas System 1-7 Twist 1/2 x 28 Thread ATLAS R-ONE

Aero Precision Complete Upper Receiver M4E1 Threaded PRO 5.56 13.7in Barrel Gov Profile Mid-Length Gas System 1-7 Twist 1/2 x 28 Thread ATLAS R-ONE. 56 Cold Hammer Forged Barrel that is paired with our PRO 5.56 BCG. Included ATLAS R-ONE Handguard... ... more

Aero Precision Complete Upper Receiver M4E1 Threaded PRO 5.56 12.5in Barrel Gov Profile Mid-Length Gas System 1-7 Twist 1/2 x 28 Thread ATLAS R-ONE

Aero Precision Complete Upper Receiver M4E1 Threaded PRO 5.56 12.5in Barrel Gov Profile Mid-Length Gas System 1-7 Twist 1/2 x 28 Thread ATLAS R-ONE. 56 Cold Hammer Forged Barrel that is paired with our PRO 5.56 BCG. Included ATLAS R-ONE Handguard... ... 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

Brigade Manufacturing AR Complete Upper Receiver Forged 9mm 9 inch Barrel Black Mini Can 8 inch Rail No Charging Handle NO BCG U091901V

Brigade Manufacturing AR Complete Upper Receiver Forged 9mm 9 inch Barrel Black Mini Can 8 inch Rail No Charging Handle NO BCG U091901V. Developed using several of the most extremely sturdy and long lasting substances in existence these AR15 Upper... ... 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 FDE Cerakote

Aero Precision AR-15 Complete Upper Receiver 5.56 Carbine Length 10.5 inch Barrel w/Pinned FSB Magpul MOE 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 Carbine Length 16 inch Barrel w/Pinned FSB Magpul MOE Handguard A2 Flash Hider FDE Cerakote

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

TacFire Complete Upper Assembly 5.56 NATO 7in Type III Hard Anodized Black Large BU-556-7

TacFire Complete Upper Assembly 5.56 NATO 7in Type III Hard Anodized Black Large BU-556-7. 56 NATO barrel along with a M-LOK freefloating handguard. Mil-Spec BCG and charging handle are included in this build. Specifications for TacFire 5.56 NATO... ... more

Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly 7.5in Barrel Black QC-CU-PSCU-G-9-7.5 Inch

Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly 7.5in Barrel Black QC-CU-PSCU-G-9-7.5 Inch. 355 Caliber Features of Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly: QC10 Side Charging Upper Receiver Compatible... ... 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

Moriarti Complete Upper Receiver AR-15 5.56 Nato 16 inch Barrel M4 Carbine Length 1x7 Twist 1/2x28 Thread M-LOK Handguard Triport Hardcoat Anodized

Moriarti Complete Upper Receiver AR-15 5.56 Nato 16 inch Barrel M4 Carbine Length 1x7 Twist 1/2x28 Thread M-LOK Handguard Triport Hardcoat Anodized. 56 Nato 16 M4 Carbine Upper Assembly with a 15 M-lok rail and triport muzzle brake is a product... ... more