POF USA Renegade+ Upper Receiver Assembly 5.56x45mm NATO 34 in Length 16.5 in Barrel Mid Length 9 Position Dictator Adjustable Renegade Triple Port

POF USA Wonder Upper Receiver Assembly 5.56x45mm NATO 34 in Length 10.5 in Barrel Carbine Length Lo Pro DI Renegade Three-Prong Flash Hider Winter

POF USA Wonder Upper Receiver Assembly 5.56x45mm NATO 34 in Length 10.5 in Barrel Carbine Length Lo Pro DI Renegade Three-Prong Flash Hider Winter. 56 16.5" Barrel Mid?Length Lo Pro DI Gas Block 14.5" Rail. The Wonder Rifle is our answer to a... ... more

POF USA Wonder Upper Receiver Assembly 5.56x45mm NATO 34 in Length 16.5 in Barrel Mid Length Lo Pro DI Renegade Micro B Muzzle Break Winter White 1980

POF USA Wonder Upper Receiver Assembly 5.56x45mm NATO 34 in Length 16.5 in Barrel Mid Length Lo Pro DI Renegade Micro B Muzzle Break Winter White 1980. 56 16.5" Barrel Mid?Length Lo Pro DI Gas Block 14.5" Rail. The Wonder Rifle is our answer to a... ... more

POF USA Wonder Upper Receiver Assembly 5.56x45mm NATO 34 in Length 10.5 in Barrel Carbine Length Lo Pro DI Renegade Three-Prong Flash Hider Blue

POF USA Wonder Upper Receiver Assembly 5.56x45mm NATO 34 in Length 10.5 in Barrel Carbine Length Lo Pro DI Renegade Three-Prong Flash Hider Blue. 56 16.5" Barrel Mid?Length Lo Pro DI Gas Block 14.5" Rail. The Wonder Rifle is our answer to a... ... more

Del-Ton Pre-Ban Heavy Profile Rifle Complete Upper Receiver 5.56x45mm NATO 16in Mid-Length Black RKT104

Del-Ton Pre-Ban Heavy Profile Rifle Complete Upper Receiver 5.56x45mm NATO 16in Mid-Length Black RKT104. Del-Ton brings this rifle kit with a complete upper assembly that has been head-spaced and test-fired. Includes all buttstock components and a... ... more

POF USA Renegade 5.56 Upper 10.5in Barrel 9 Position Direct Impingement Dictator 9.5in Rail Black Anodized 00912

POF USA Renegade 5.56 Upper 10.5in Barrel 9 Position Direct Impingement Dictator 9.5in Rail Black Anodized 00912. Featuring a 9-position direct impingement dictater these AR15 Upper Receivers by POF USA allow you to completely revolutionize your... ... more

ArmaLite AR10 Tactical Upper Assembly Mid Length 16in Black UAR10TAC16

ArmaLite AR10 Tactical Upper Assembly Mid Length 16in Black UAR10TAC16. ArmaLite manufactures these light and fast AR15 Upper Receivers with free-floating KeyMod handguards protecting the barrels. The adjustable gas block on these ArmaLite AR10... ... more

Daniel Defense Complete Upper Receiver w/ Flash Hider DDM4-V7-LW 5.56mm NATO 16 in Barrel Low Profile Mid 1-7 Twist Free-Floating MFR XS M-LOK Rail 15

Daniel Defense Complete Upper Receiver w/ Flash Hider DDM4-V7-LW 5.56mm NATO 16 in Barrel Low Profile Mid 1-7 Twist Free-Floating MFR XS M-LOK Rail 15. It features a mid-length gas system for smooth reliable cycling and reduced wear on moving parts.... ... more

POF USA Renegade Plus Upper Receiver Assembly .300 AAC Blackout 10.5in Barrel 9.5in Picatinny Rail Carakote Burnt Bronze 1447

POF USA Renegade Plus Upper Receiver Assembly .300 AAC Blackout 10.5in Barrel 9.5in Picatinny Rail Carakote Burnt Bronze 1447. Designed to stand out from the crowd of other AR15 Upper Receivers the Renegade Plus has high-quality improvements like... ... more

POF USA Renegade Plus Upper Receiver Assembly .300 AAC Blackout 10.5in Barrel 9.5in Picatinny Rail Black Anodized 1446

POF USA Renegade Plus Upper Receiver Assembly .300 AAC Blackout 10.5in Barrel 9.5in Picatinny Rail Black Anodized 1446. Designed to stand out from the crowd of other AR15 Upper Receivers the Renegade Plus has high-quality improvements like POF's... ... more

American Defense Manufacturing 5.56 12.5 Inch Barrel M-Lok Rail Upper Reciever Olive Drab 12.5 in UICCUOD12M2MLOK

American Defense Manufacturing 5.56 12.5 Inch Barrel M-Lok Rail Upper Reciever Olive Drab 12.5 in UICCUOD12M2MLOK. 56 12.5 Inch Barrel M-Lok Rail Upper Reciever: Manufacturer: American Defense Manufacturing Cartridge: 5.56x45mm NATO Barrel Length:... ... more

American Defense Manufacturing 5.56 12.5 Inch Barrel M-Lok Rail Upper Reciever Black 12.5 in UICCUBLK12M2MLOK

American Defense Manufacturing 5.56 12.5 Inch Barrel M-Lok Rail Upper Reciever Black 12.5 in UICCUBLK12M2MLOK. 56 12.5 Inch Barrel M-Lok Rail Upper Reciever: Manufacturer: American Defense Manufacturing Cartridge: 5.56x45mm NATO Barrel Length: 12.5... ... more

Guntec USA AR Complete .308 Upper Receiver w/o Lower Parts Kit N.5 15in M-Lok Handguard .308 Gen 2 M.L.S. Stock Assembly Mid-Length .750 Gas Block

Guntec USA AR Complete .308 Upper Receiver w/o Lower Parts Kit N.5 15in M-Lok Handguard .308 Gen 2 M.L.S. Stock Assembly Mid-Length .750 Gas Block. 308 UPPER RECEIVER KIT includes everything you need to complete your next AR rifle build minus the... ... more

POF USA Renegade 5.56 Upper 16.5in Barrel 9 Position Direct Impingement Dictator 14.5in Rail Black Anodized 00907

POF USA Renegade 5.56 Upper 16.5in Barrel 9 Position Direct Impingement Dictator 14.5in Rail Black Anodized 00907. 56 Specifications for POF USA Renegade Upper Receiver: Manufacturer: POF USA Cartridge: 5.56x45mm NATO Barrel Length: 16.5 in Muzzle... ... more

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 12in M-LOK Handguard No BCG/CH Magpul

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 12in M-LOK Handguard No BCG/CH Magpul. 56 Mid Barrel Complete Upper Receiver with Flash Hider is an amazing option. Designed to give you... ... more

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 12in M-LOK Handguard No BCG/CH

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 12in M-LOK Handguard No BCG/CH. 56 Mid Barrel Complete Upper Receiver with Flash Hider is an amazing option. Designed to give you the... ... more

Aero Precision M4E1 Complete Upper Receiver with Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in M-LOK Handguard No BCG/CH Anodized Black

Aero Precision M4E1 Complete Upper Receiver with Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in M-LOK Handguard No BCG/CH Anodized Black. 56 Mid Barrel Complete Upper Receiver with Flash Hider is an amazing option. Designed to give you... ... more

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in Quad Rail Handguard No BCG/CH

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in Quad Rail Handguard No BCG/CH. 56 Mid Barrel Complete Upper Receiver with Flash Hider is an amazing option. Designed to give you... ... more

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 12in Quad Rail Handguard No BCG/CH

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 12in Quad Rail Handguard No BCG/CH. 56 Mid Barrel Complete Upper Receiver with Flash Hider is an amazing option. Designed to give you... ... more

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in M-LOK Handguard No BCG/CH Magpul

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in M-LOK Handguard No BCG/CH Magpul. 56 Mid Barrel Complete Upper Receiver with Flash Hider is an amazing option. Designed to give you... ... more

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in Quad Rail Handguard No BCG/CH

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in Quad Rail Handguard No BCG/CH. 56 Mid Barrel Complete Upper Receiver with Flash Hider is an amazing option. Designed to give you... ... more

Del-Ton Flat Top Barrel Assembly 16in 1x7 Mid-Length Chrome Lined DT1033

Del-Ton Flat Top Barrel Assembly 16in 1x7 Mid-Length Chrome Lined DT1033. 56 NATO Chrome Moly Vanadium barrel Flat Top Upper with White T-Marks & M4 Feed Ramps HPT/MPI tested Bolt and Carrier assembly Charging Handle MIDLENGTH Handguards... ... more

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 11.5 in Carbine Length 1-9 Twist Standard Teflon Black DT1019

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 11.5 in Carbine Length 1-9 Twist Standard Teflon Black DT1019. Developed by Del-Ton the Pre-Ban Flat Top Rifle Assembly is the perfect upper for any heavy-profile rifle build.... ... more

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 16 in Carbine Length 1-9 Twist Standard Teflon Black DT1007

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 16 in Carbine Length 1-9 Twist Standard Teflon Black DT1007. Developed by Del-Ton the Pre-Ban Flat Top Rifle Assembly is the perfect upper for any heavy-profile rifle build. This... ... more

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 20 in Rifle Length 1-9 Twist Standard Teflon Black DT1013

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 20 in Rifle Length 1-9 Twist Standard Teflon Black DT1013. Developed by Del-Ton the Pre-Ban Flat Top Rifle Assembly is the perfect upper for any heavy-profile rifle build. This... ... more

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 20 in Rifle Length 1-9 Twist Chrome Lined Teflon Black DT1013C

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 20 in Rifle Length 1-9 Twist Chrome Lined Teflon Black DT1013C. Developed by Del-Ton the Pre-Ban Flat Top Rifle Assembly is the perfect upper for any heavy-profile rifle build.... ... more

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 16 in Carbine Length 1-9 Twist Chrome Lined Teflon Black DT1007C

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 16 in Carbine Length 1-9 Twist Chrome Lined Teflon Black DT1007C. Developed by Del-Ton the Pre-Ban Flat Top Rifle Assembly is the perfect upper for any heavy-profile rifle build.... ... more

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 11.5 in Carbine Length 1-9 Twist Chrome Lined Teflon Black DT1019C

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 11.5 in Carbine Length 1-9 Twist Chrome Lined Teflon Black DT1019C. Developed by Del-Ton the Pre-Ban Flat Top Rifle Assembly is the perfect upper for any heavy-profile rifle... ... more

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

Dark Storm Industries DS-15 Complete Upper 16" MOE 5.56 Threaded Black 5.56 DSI-UC5-MOE-T5-BLK. Specifications for Dark Storm Industries DS-15 16" MOE 5.56 Upper Receiver: Manufacturer: Dark Storm Industries Cartridge: 5.56x45mm NATO Barrel Length:... ... 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... ... 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

Del-Ton Pre-Ban Heavy Profile Rifle Complete Upper Receiver 5.56x45mm NATO 16in Carbine Length Black RKT101

Del-Ton Pre-Ban Heavy Profile Rifle Complete Upper Receiver 5.56x45mm NATO 16in Carbine Length Black RKT101. Del-Ton brings this rifle kit with a complete upper assembly that has been head-spaced and test-fired. Includes all buttstock components and... ... more

Del-Ton Pre-Ban Heavy Profile Rifle Complete Upper Receiver 5.56x45mm NATO 11.5in Pistol Length Black RKT107

Del-Ton Pre-Ban Heavy Profile Rifle Complete Upper Receiver 5.56x45mm NATO 11.5in Pistol Length Black RKT107. Del-Ton brings this rifle kit with a complete upper assembly that has been head-spaced and test-fired. Includes all buttstock components... ... more

Del-Ton Pre-Ban Heavy Profile Rifle Complete Upper Receiver 5.56x45mm NATO 20in Rifle Length Black RKT102

Del-Ton Pre-Ban Heavy Profile Rifle Complete Upper Receiver 5.56x45mm NATO 20in Rifle Length Black RKT102. Del-Ton brings this rifle kit with a complete upper assembly that has been head-spaced and test-fired. Includes all buttstock components and a... ... more

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 16 in Mid Length 1-9 Twist Chrome Lined Teflon Black DT1023C

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 16 in Mid Length 1-9 Twist Chrome Lined Teflon Black DT1023C. Developed by Del-Ton the Pre-Ban Flat Top Rifle Assembly is the perfect upper for any heavy-profile rifle build. This... ... more

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 16 in Mid Length 1-9 Twist Standard Teflon Black DT1023

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 16 in Mid Length 1-9 Twist Standard Teflon Black DT1023. Developed by Del-Ton the Pre-Ban Flat Top Rifle Assembly is the perfect upper for any heavy-profile rifle build. This... ... more

Aagil Arms Complete AR-15 5.56 NATO Upper Assembly 16in Barrel Length Carbine 1-7 Twist w/ 15in Clamp on Key Mod Cerakote Flat Dark Earth Medium

Aagil Arms Complete AR-15 5.56 NATO Upper Assembly 16in Barrel Length Carbine 1-7 Twist w/ 15in Clamp on Key Mod Cerakote Flat Dark Earth Medium. It is assembled with a carbine length gas system and a mid-length gas system. It has a carbine length... ... more

Aagil Arms Complete AR-15 5.56 NATO Upper Assembly 16in Barrel Length Carbine 1-7 Twist w/ 15in Clamp on Key Mod Cerakote Robin Egg Blue Medium

Aagil Arms Complete AR-15 5.56 NATO Upper Assembly 16in Barrel Length Carbine 1-7 Twist w/ 15in Clamp on Key Mod Cerakote Robin Egg Blue Medium. It is assembled with a carbine length gas system and a mid-length gas system. It has a carbine length... ... more