Angstadt Arms AR-9 Upper Receiver Assembly Kits 9mm Luger 16 inch Barrel M4 Profile 1-10 Twist 1/2x36 Chromoly Black AAUDP09X0R

Rock River Arms AR-15 R9 Upper Receiver Assembly 9mm Luger 16"Stainless Steel Barrel 15" M-LOK Handguard Black

The Rock River Arms AR-15 Upper Receiver Assembly is designed to pin onto any mil-spec lower receiver. Just add an optic, or set of sights, and you are ready to send lead downrange! FeaturesFlattop upper receiverMil-spec compatibleAnodized finish ... more

AR-STONER AR-15 Build Kit with M4 Upper Receiver Assembly 223 Remington (Wylde) 16" Barrel, Complete Lower Receiver Parts Kit, Stock Assembly 6-Posit

This AR-Stoner carbine length upper features a mil-spec bolt carrier group, phosphate finish, A2 fixed front sight, and an M4 profile barrel. The A3 upper will attach to virtually any standard AR-15 lower receiver and comes complete with charging... ... more

Rock River Arms AR-15 A4 Upper Receiver Assembly 9mm Luger 10.5" Chrome Moly Barrel 6" Handguard Black

The Rock River Arms AR-15 Upper Receiver Assembly is designed to pin onto any mil-spec lower receiver. Just add an optic, or set of sights, and you are ready to send lead downrange! FeaturesFlattop upper receiverMil-spec compatibleAnodized finish ... more

Angstadt Arms AR-15 Complete Upper Assembly with Flash Hider 9mm Luger 10.5 inch Barrel M4 Profile 1-10 Twist 1/2x28 Chromoly Black AAUT109105

Angstadt Arms AR-15 Complete Upper Assembly with Flash Hider 9mm Luger 10.5 inch Barrel M4 Profile 1-10 Twist 1/2x28 Chromoly Black AAUT109105. Ready to run with any 9MM AR-15 dedicated lower receiver. Specifications for Angstadt Arms AR-15 Complete... ... more

OpticsPlanet Exclusive Moriarti AR-9 Upper Receiver Assembly 9mm Luger 16in M-LOK 1-10 Twist Diamond Cut Free-Float Handguard A2 Flash Hider Anodized

OpticsPlanet Exclusive Moriarti AR-9 Upper Receiver Assembly 9mm Luger 16in M-LOK 1-10 Twist Diamond Cut Free-Float Handguard A2 Flash Hider Anodized. Formulated using some of the most extremely robust and long lasting resources in existence these AR15... ... more

Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly 16in Barrel Black QC-CU-PSCU-G-9-16 Inch

Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly 16in Barrel Black QC-CU-PSCU-G-9-16 Inch. 355 Caliber Features of Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly: QC10 Side Charging Upper Receiver Compatible... ... more

Rock River Arms Completed Upper Receiver A4 9MM Luger 16 Inch Barrel 1-10 Twist 1/2-36 Thread Free-Float Handguard Brake Black 9MM0700.V1

Rock River Arms Completed Upper Receiver A4 9MM Luger 16 Inch Barrel 1-10 Twist 1/2-36 Thread Free-Float Handguard Brake Black 9MM0700.V1. . Formulated working with several of the very most robust and dependable materials available these AR15 Upper... ... more

Faxon Firearms AR-9 Complete Upper Receiver 9mm SAMMI 15 inch Aluminum Handguard 16 inch Taper Barrel Gen 2 BCG A2 Flash Hider Black FX916U URSSB762

Faxon Firearms AR-9 Complete Upper Receiver 9mm SAMMI 15 inch Aluminum Handguard 16 inch Taper Barrel Gen 2 BCG A2 Flash Hider Black FX916U URSSB762. Faxon Firearms designed these AR15 Upper Receivers with an ambidextrous charging handle to suit both... ... more

Angstadt Arms AR-15 Complete Upper Assembly with Flash Hider 5.56x45mm 16 inch Barrel M4 Profile 1-7 Twist 1/2x28 Black Nitride Black AAUT056016

Angstadt Arms AR-15 Complete Upper Assembly with Flash Hider 5.56x45mm 16 inch Barrel M4 Profile 1-7 Twist 1/2x28 Black Nitride Black AAUT056016. 56/.233 upper receiver assembly with 16 inch barrel and 15 inch hand guard. Ready to run with any AR-15... ... more

Rock River Arms Completed Upper Receiver Carbine A4 9MM Luger 16 Inch Barrel 1-10 Twist 1/2-36 Thread R4 Handguard A2 Flash Hider Black 9MM0328B

Rock River Arms Completed Upper Receiver Carbine A4 9MM Luger 16 Inch Barrel 1-10 Twist 1/2-36 Thread R4 Handguard A2 Flash Hider Black 9MM0328B. . These AR15 Upper Receivers through the professional product experts at Rock River Arms are designed... ... more

Rock River Arms Completed Upper Receiver Mid-Length A4 9MM Luger 16 Inch Barrel 1-10 Twist 1/2-36 Thread A2 Flash Hider Black 9MM0388B

Rock River Arms Completed Upper Receiver Mid-Length A4 9MM Luger 16 Inch Barrel 1-10 Twist 1/2-36 Thread A2 Flash Hider Black 9MM0388B. Established using several of the most robust and dependable materials in existence these AR15 Upper Receivers via... ... more

Daniel Defense Upper Receiver with Flash Hider Assembly M4A1 RIII URG 5.56x45mm NATO 25 inch 14.5 inch Barrel M4 Profile Mid Length 1-7 Twist 1/2x28

Daniel Defense Upper Receiver with Flash Hider Assembly M4A1 RIII URG 5.56x45mm NATO 25 inch 14.5 inch Barrel M4 Profile Mid Length 1-7 Twist 1/2x28. 5 inch Cold Hammer Forged M4 Profile barrel with a permanently attached Daniel Defense Flash... ... more

Angstadt Arms Complete Upper Assembly AR-15 10 in Handguard 10.5 in Barrel A2 Flash Hider Picatinny/M-LOK 1/2x36 Black AAUT009105

Angstadt Arms Complete Upper Assembly AR-15 10 in Handguard 10.5 in Barrel A2 Flash Hider Picatinny/M-LOK 1/2x36 Black AAUT009105. Ready to run with any 9MM AR-15 dedicated lower receiver. Specifications for Angstadt Arms AR-15 Complete 9mm Upper... ... more

Rock River Arms Completed Upper Receiver A4 9MM Luger 4.5 Inch Barrel 1-10 Twist 1/2-36 Thread Free-Float Handguard Vortex Flash Hider Black 9MM0368

Rock River Arms Completed Upper Receiver A4 9MM Luger 4.5 Inch Barrel 1-10 Twist 1/2-36 Thread Free-Float Handguard Vortex Flash Hider Black 9MM0368. . Formulated working with several of the very most robust and dependable materials available these... ... more

Moriarti AR-9 M4 Barrel Threaded 9mm Luger 16 inch Medium 1-10 Twist 1/2x36 Thread Nitride Black 16 inch MAR-9-16-BRL

Moriarti AR-9 M4 Barrel Threaded 9mm Luger 16 inch Medium 1-10 Twist 1/2x36 Thread Nitride Black 16 inch MAR-9-16-BRL. . These AR15 Barrels through the professional product professionals at Moriarti are made by using long lasting and efficient... ... more

Daniel Defense Upper Receiver with Flash Hider Assembly M4A1 RIII URG 5.56x45mm NATO 25 inch 14.5 inch Barrel M4 Profile Mid Length 1-7 Twist 1/2x28

Daniel Defense Upper Receiver with Flash Hider Assembly M4A1 RIII URG 5.56x45mm NATO 25 inch 14.5 inch Barrel M4 Profile Mid Length 1-7 Twist 1/2x28. 5 inch Cold Hammer Forged M4 Profile barrel with a permanently attached Daniel Defense Flash... ... more

Rock River Arms Completed Upper Receiver Operator ETR .308/7.62x51mm 16 Inch Barrel 1-10 Twist Mid-Length Profile 5/8-24 Threat Free-Float Handguard

Rock River Arms Completed Upper Receiver Operator ETR .308/7.62x51mm 16 Inch Barrel 1-10 Twist Mid-Length Profile 5/8-24 Threat Free-Float Handguard. 308/7.62X51mm Completed Upper. Developed using some of the most extremely robust and dependable... ... more

Daniel Defense Upper Receiver with Flash Hider Assembly MK18 RIII URG 5.56x45mm NATO 19.3 inch 10.3 inch Barrel Government Profile Carbine Length 1-7

Daniel Defense Upper Receiver with Flash Hider Assembly MK18 RIII URG 5.56x45mm NATO 19.3 inch 10.3 inch Barrel Government Profile Carbine Length 1-7. 3 inch Cold Hammer Forged M4 Profile barrel with a Daniel Defense Flash Suppressor a GRIP-N-RIP... ... more

Daniel Defense Upper Receiver with Flash Hider Assembly MK18 RIII URG 5.56x45mm NATO 19.3 inch 10.3 inch Barrel Government Profile Carbine Length 1-7

Daniel Defense Upper Receiver with Flash Hider Assembly MK18 RIII URG 5.56x45mm NATO 19.3 inch 10.3 inch Barrel Government Profile Carbine Length 1-7. 3 inch Cold Hammer Forged M4 Profile barrel with a Daniel Defense Flash Suppressor a GRIP-N-RIP... ... more

Moriarti Complete Upper Receiver AR-9 9mm 4.5 inch Barrel Straight Profile 1-10 Twist 1/2X36 Thread M-LOK Handguard Multiport Anodized Black Black

Moriarti Complete Upper Receiver AR-9 9mm 4.5 inch Barrel Straight Profile 1-10 Twist 1/2X36 Thread M-LOK Handguard Multiport Anodized Black Black. 5 Diamond Cut 4 M-Lok Upper Assembly with a multiport feature including an AR-15 Milspec Charging Handle... ... more

Rock River Arms Completed Upper Receiver A4 9MM Luger 7 Inch Barrel 1-10 Twist 1/2-36 Thread Free-Float Handguard A2 Flash Hider Black 9MM0365B

Rock River Arms Completed Upper Receiver A4 9MM Luger 7 Inch Barrel 1-10 Twist 1/2-36 Thread Free-Float Handguard A2 Flash Hider Black 9MM0365B. . Formulated working with several of the very most robust and dependable materials available these AR15... ... more

Angstadt Arms Complete Upper Assembly AR-15 4 in Handguard 4.5 in Barrel A2 Flash Hider Picatinny/M-LOK 1/2x36 Black AAUT009045

Angstadt Arms Complete Upper Assembly AR-15 4 in Handguard 4.5 in Barrel A2 Flash Hider Picatinny/M-LOK 1/2x36 Black AAUT009045. Ready to run with any 9MM AR-15 dedicated lower receiver. Specifications for Angstadt Arms AR-15 Complete 9mm Upper... ... more

Rock River Arms Completed Upper Receiver National Match A4 .223/5.56mm 16 Inch Barrel Competition Profile 1-8 Twist 1/2-28 Thread Free-Float Handguard

Rock River Arms Completed Upper Receiver National Match A4 .223/5.56mm 16 Inch Barrel Competition Profile 1-8 Twist 1/2-28 Thread Free-Float Handguard. 223 Wylde Completed Upper then you've come to the ideal spot.. These AR15 Upper Receivers through... ... more

Daniel Defense Upper Receiver with Flash Hider Assembly DD4 RIII URG 5.56x45mm NATO 25 inch 16 inch Barrel Government Profile Mid Length 1-7 Twist

Daniel Defense Upper Receiver with Flash Hider Assembly DD4 RIII URG 5.56x45mm NATO 25 inch 16 inch Barrel Government Profile Mid Length 1-7 Twist. It features a 12.5 inch lightweight RIS III railmodeled after the revolutionary RIS II two-piece... ... more

Rock River Arms Completed Upper Receiver A4 9MM Luger 10.5 Inch Barrel 1-10 Twist 1/2-36 Thread R4 Handguard A2 Flash Hider Black 9MM0364B

Rock River Arms Completed Upper Receiver A4 9MM Luger 10.5 Inch Barrel 1-10 Twist 1/2-36 Thread R4 Handguard A2 Flash Hider Black 9MM0364B. . Formulated working with several of the very most robust and dependable materials available these AR15 Upper... ... more

Rock River Arms Upper Receiver A4 .223 Wylde 16 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0500

Rock River Arms Upper Receiver A4 .223 Wylde 16 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0500. 223 Wylde Completed Upper was created to be the ideally suited product for anybody looking for an outstanding option.. These AR15... ... more

Rock River Arms Upper Receiver EOP .223 Wylde 16 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0510

Rock River Arms Upper Receiver EOP .223 Wylde 16 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0510. 223 Wylde Completed Upper then you have found yourself in the absolute correct location.. These AR15 Upper Receivers through the... ... more

Rock River Arms Completed Upper Receiver .223/5.56mm 16 Inch Barrel Carbine Profile 1/2-28 Thread Car Handguard A2 Flash Hide w/Gas Block Black

Rock River Arms Completed Upper Receiver .223/5.56mm 16 Inch Barrel Carbine Profile 1/2-28 Thread Car Handguard A2 Flash Hide w/Gas Block Black. 223/5.56mm Completed Upper w/Gas Block. These AR15 Upper Receivers from the professional product... ... more

Battle Arms Development Workhorse 16in 5.56 Nato Upper Receiver Assembly No Bcg No Ch WH-UR-16-556

Battle Arms Development Workhorse 16in 5.56 Nato Upper Receiver Assembly No Bcg No Ch WH-UR-16-556. 56 NATO Twist Rate: 1:7 Barrel Extension: M4 Diameter at Gas Block: .750 Gas Block Type: Low-profile Muzzle Device: A2 Flash Hider Receiver Material:... ... more

Bilson Arms 9mm Pump Style Forward Charging Upper Assembly with 416R-Stainless Steel Barrel FDE/Black 1 A9UFCFN1001-416RSS

Bilson Arms 9mm Pump Style Forward Charging Upper Assembly with 416R-Stainless Steel Barrel FDE/Black 1 A9UFCFN1001-416RSS. 5 in Barrel Length: 16 in Barrel Profile: Pencil Barrel Twist Rate: 1-10 Threads per Inch: 1/2x28 Handguard Type: Free-Float... ... more

Bilson Arms 9mm Pump Style Forward Charging Upper Assembly with 4140 Nitride Coated Chrome Moly Steel Barrel FDE/Black 1 A9UFCFN1001-4140

Bilson Arms 9mm Pump Style Forward Charging Upper Assembly with 4140 Nitride Coated Chrome Moly Steel Barrel FDE/Black 1 A9UFCFN1001-4140. 5 in Barrel Length: 16 in Barrel Profile: Pencil Barrel Twist Rate: 1-10 Threads per Inch: 1/2x28 Handguard Type:... ... more

Bilson Arms 9mm Pump Style Forward Charging Upper Assembly with 4140 Nitride Coated Chrome Moly Steel Barrel Anodized Black 1 A9UFCAN1001-4140

Bilson Arms 9mm Pump Style Forward Charging Upper Assembly with 4140 Nitride Coated Chrome Moly Steel Barrel Anodized Black 1 A9UFCAN1001-4140. 5 in Barrel Length: 16 in Barrel Profile: Pencil Barrel Twist Rate: 1-10 Threads per Inch: 1/2x28 Handguard... ... more

Rock River Arms Completed Upper Receiver Predator Pursuit .223 Wylde 16 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0572

Rock River Arms Completed Upper Receiver Predator Pursuit .223 Wylde 16 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0572. 223 Wylde Completed Upper was developed in order to be the ideally suited item for any person looking for... ... more

Rock River Arms Completed Upper Receiver Elite Carbine A4 .223/5.56mm 16 Inch Barrel 1-9 Twist Mid-Length Profile 1/2-28 Thread A2 Flash Hider Black

Rock River Arms Completed Upper Receiver Elite Carbine A4 .223/5.56mm 16 Inch Barrel 1-9 Twist Mid-Length Profile 1/2-28 Thread A2 Flash Hider Black. 223/5.56mm Completed Upper then you have arrived at the right spot.. These AR15 Upper Receivers... ... more

Daniel Defense Upper Receiver with Flash Hider Assembly DD4 RIII URG 5.56x45mm NATO 25 inch 16 inch Barrel Government Profile Mid-length 1-7 Twist

Daniel Defense Upper Receiver with Flash Hider Assembly DD4 RIII URG 5.56x45mm NATO 25 inch 16 inch Barrel Government Profile Mid-length 1-7 Twist. It features a 12.5 inch lightweight RIS III railmodeled after the revolutionary RIS II two-piece... ... more

Faxon Firearms Ascent Upper Receiver with Flash Hider 5.56x45mm NATO 16 inch Barrel SOCOM Profile Mid Length 1-8 Twist 1/2x28 Thread A2 Birdcage Flash

Faxon Firearms Ascent Upper Receiver with Flash Hider 5.56x45mm NATO 16 inch Barrel SOCOM Profile Mid Length 1-8 Twist 1/2x28 Thread A2 Birdcage Flash. 56x45mm NATO Upper Receiver with Flash Hider Assembly was made to function as the ideal item for any... ... more

Matador Arms Upper Reciever Mat-9K 9mm 5 inch Barrel 1-10 Twist 1/2x28 Threads Gray 850045441159

Matador Arms Upper Reciever Mat-9K 9mm 5 inch Barrel 1-10 Twist 1/2x28 Threads Gray 850045441159. The 9mm upper is machined for maximum weight reduction slim profile and compatibility with bolt catches and lower receivers. The upper is also built with... ... more