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

Colt M4 5.56 Upper Receiver Groups - M4 Le6920 Upper Group 16in Stripped

Add the Colt legend of reliability to your rifle or build with these complete feature 1/7 RH twist in a chrome lined, button rifled barrel. Available with or without a charging handle, bolt carrier group, and back up sights. All NFA rules apply.... ... more

Colt M4 5.56 Upper Receiver Groups - M4 Le6921 Upper Group 14.5in Stripped

Add the Colt legend of reliability to your rifle or build with these complete feature 1/7 RH twist in a chrome lined, button rifled barrel. Available with or without a charging handle, bolt carrier group, and back up sights. All NFA rules apply.... ... more

Faxon Firearms Ascent 350 Legend Complete Upper Receiver - Ascent 350 Legend 16" Complete Upper Rece

FEATURES: Faxon 16" 350 Legend Gunner Profile Barrel Faxon 13" G2 Streamline Aluminum M-Lok Handguard Faxon 5.56 M16 Bolt Carrier Group, Nitrided Faxon Enhanced Forged Upper Receiver A2 Style Flash Hider Mil-spec Charging Handle Mfg: Faxon Firearms ... more

DoubleStar DS-4 AR-15/M4 Flattop Upper Heavy Match Barrel 16 inch 5.56/.223 1-9 Twist A1 Muzzle Device Black ARBU404

DoubleStar DS-4 AR-15/M4 Flattop Upper Heavy Match Barrel 16 inch 5.56/.223 1-9 Twist A1 Muzzle Device Black ARBU404. 5.56 Nato 1.9 twist M4 Feed Ramps Forged upper Specifications for DoubleStar DS-4 AR-15/M4 Flattop 16" Upper Receiver:... ... more

American Defense Manufacturing 5.56 12.5 Inch Barrel M-Lok Rail Upper Reciever Midnight Bronze 12.5 in UICCUBRZ12M2MLOK

American Defense Manufacturing 5.56 12.5 Inch Barrel M-Lok Rail Upper Reciever Midnight Bronze 12.5 in UICCUBRZ12M2MLOK. 56 12.5 Inch Barrel M-Lok Rail Upper Reciever: Manufacturer: American Defense Manufacturing Cartridge: 5.56x45mm NATO Barrel... ... more

American Defense Manufacturing 300 Out 10.5 Inch Barrel M-Lok Rail Upper Reciever Midnight Bronze 10.5 in UICCUBOBRZ10M2MLOK

American Defense Manufacturing 300 Out 10.5 Inch Barrel M-Lok Rail Upper Reciever Midnight Bronze 10.5 in UICCUBOBRZ10M2MLOK. 5 Inch Barrel M-Lok Rail Upper Reciever lives up to its name. American Defense Manufacturing crafted this .300 AAC Blackout... ... more

American Defense Manufacturing 5.56 14.5 Inch Barrel M-Lok Rail Upper Reciever Midnight Bronze 14.5 in UICCUBRZ14M2MLOK

American Defense Manufacturing 5.56 14.5 Inch Barrel M-Lok Rail Upper Reciever Midnight Bronze 14.5 in UICCUBRZ14M2MLOK. 56 14.5 Inch Barrel M-Lok Rail Upper Reciever. Built with a Criterion 14.5-inch barrel these AR15 Upper Receivers by American... ... more

Stern Defense AR-15 Upper Receiver 9mm 16.1in Barrel 15in MLOK Rail SD BU9 Bolt SD CH1 Charging Handle SCB 9 Comp Break Black 015-SD15INCHMOD4-KK

Stern Defense AR-15 Upper Receiver 9mm 16.1in Barrel 15in MLOK Rail SD BU9 Bolt SD CH1 Charging Handle SCB 9 Comp Break Black 015-SD15INCHMOD4-KK. ) Stern Defense 16.1 inch 9mm barrel. SD CB9 COMPENSATOR BREAK Stern Defense assembled upper receiver... ... more

Stern Defense AR-15 10in Upper Receiver 8.5in 9mm Barrel MLOK Rail SD BU9 Bolt SD CH1 Charging Handle SD HBC Blast Can Black 015-SD10INCHMOD5-KK

Stern Defense AR-15 10in Upper Receiver 8.5in 9mm Barrel MLOK Rail SD BU9 Bolt SD CH1 Charging Handle SD HBC Blast Can Black 015-SD10INCHMOD5-KK. ) Stern Defense 8.5 inch 9mm barrel. SD HBC 9MM Blast Can. Stern Defense assembled upper receiver with... ... 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 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 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... ... 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 FDE Cerakote

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

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

Grid Defense Complete Upper Receiver 7.62x39 10.5 inch Carbine Length 4150 Steel Light HBAR Barrel 1-10 Twist A2 Flash Hider Burnt Bronze

Grid Defense Complete Upper Receiver 7.62x39 10.5 inch Carbine Length 4150 Steel Light HBAR Barrel 1-10 Twist A2 Flash Hider Burnt Bronze. 62x39mm upper receivers and build kits. We look forward to providing the tactical industry with top AR AR15... ... more

Aagil Arms Complete AR-15 5.56 NATO Upper Assembly 16in Barrel Length Carbine 1-7 Twist w/ 15in M-Lok Anodized Black Medium AA-C16556C7K15

Aagil Arms Complete AR-15 5.56 NATO Upper Assembly 16in Barrel Length Carbine 1-7 Twist w/ 15in M-Lok Anodized Black Medium AA-C16556C7K15. 5.56 NATO. 16" Barrel. Carbine Gas System. 15" M-Lok Handguard. Charging Handle and Canvas Gun Sleeve... ... more

Aagil Arms Complete AR-15 5.56 NATO Upper Assembly 16in Stainless Steel Length Carbine 1-8 Twist w/ 15in MLOK Anodized Black Medium AA-C16S556C8K15

Aagil Arms Complete AR-15 5.56 NATO Upper Assembly 16in Stainless Steel Length Carbine 1-8 Twist w/ 15in MLOK Anodized Black Medium AA-C16S556C8K15. 5.56 NATO. 16" Stainless Steel Barrel. Carbine Gas System. 15" M-Lok Handguard. Charging Handle and... ... more

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

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

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... ... 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

Brigade Manufacturing AR Complete Upper Receiver Forged 9mm 5.5 inch Barrel FDE Mini Can 5 inch Rail No Charging Handle NO BCG U091552V

Brigade Manufacturing AR Complete Upper Receiver Forged 9mm 5.5 inch Barrel FDE Mini Can 5 inch Rail No Charging Handle NO BCG U091552V. 5" Upper was developed as a rock solid upgrade to your existing platform. Whether you're looking to build around... ... 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... ... more

Brigade Manufacturing AR Complete Upper Receiver Forged 9mm 16 inch Barrel Midnight Bronze Mini Can 15 inch Rail No Charging Handle NO BCG U091166V

Brigade Manufacturing AR Complete Upper Receiver Forged 9mm 16 inch Barrel Midnight Bronze Mini Can 15 inch Rail No Charging Handle NO BCG U091166V. . These AR15 Upper Receivers through the expert product experts at Brigade Manufacturing are... ... more

Aero Precision M4E1 Upper Receiver AR-15 5.56x45mm NATO 7 in M-LOK Handguard No BCG/Charging Handle Magpul Cerakote Flat Dark Earth APAR640212M0

Aero Precision M4E1 Upper Receiver AR-15 5.56x45mm NATO 7 in M-LOK Handguard No BCG/Charging Handle Magpul Cerakote Flat Dark Earth APAR640212M0. This M4E1 Enhanced 7 inch Complete Upper Receiver from Aero Precision is exactly what you need as it... ... 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... ... 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... ... more

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 24.75in 16.5in Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Bronze

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 24.75in 16.5in Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Bronze. 56 upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56. These XTS... ... more

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Bronze XTS-CU-7BR

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Bronze XTS-CU-7BR. 56 16.5in upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and... ... 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... ... more