Radical Firearms Complete Upper Assembly 16in 5.56 SOCOM 1/7 Twist 12in RPR M-LOK A2 Flash Hider Black CFU16-5.56SOC-12RPR

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

Stag Arms AR-15 Upper Right Hand Receiver 5.56 NATO 16in Barrel Maryland Compliant HBAR Profile 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider. 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 Complete Upper Receiver M4E1-T 5.56 16in M4 Barrel 12in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700314M6

Aero Precision Complete Upper Receiver M4E1-T 5.56 16in M4 Barrel 12in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700314M6. Specifications for Aero Precision M4E1 16in 5.56 ATLAS S-ONE M-LOK Complete Upper Receiver with Flash Hider:... ... more

Radical Firearms Complete Upper Assembly 16in 5.56 SOCOM 1/7 Twist 15in RPR M-LOK A2 Flash Hider Black CFU16-5.56SOC-15RPR

Radical Firearms Complete Upper Assembly 16in 5.56 SOCOM 1/7 Twist 15in RPR M-LOK A2 Flash Hider Black CFU16-5.56SOC-15RPR. 5.56 SOCOM Upper Assembly. These AR15 Upper Receivers crafted by Radical Firearms are incredibly easy to install since they come... ... more

Radical Firearms Complete Upper Assembly 16in 223 Wylde 416R HBAR Contour 1/8 Twist 12in MHR M-LOK A2 Flash Hider Black CFU16-223W-SS-12MHR

Radical Firearms Complete Upper Assembly 16in 223 Wylde 416R HBAR Contour 1/8 Twist 12in MHR M-LOK A2 Flash Hider Black CFU16-223W-SS-12MHR. Complete upper assemblies include: Bolt Carrier Group Bolt Carrier Magazine Housing Gas Tube Flash Hider Bolt... ... more

Radical Firearms Complete Upper Assembly 16in 5.56 SOCOM 1/7 Twist 12in MHR M-LOK A2 Flash Hider Black CFU16-5.56SOC-12MHR

Radical Firearms Complete Upper Assembly 16in 5.56 SOCOM 1/7 Twist 12in MHR M-LOK A2 Flash Hider Black CFU16-5.56SOC-12MHR. 5.56 SOCOM Upper Assembly. These AR15 Upper Receivers crafted by Radical Firearms are incredibly easy to install since they come... ... more

Radical Firearms Complete Upper Assembly 16in 5.56 SOCOM 1/7 Twist 12in RPR M-LOK Zero Impulse Black CFU16-5.56SOC-12RPR-ZS

Radical Firearms Complete Upper Assembly 16in 5.56 SOCOM 1/7 Twist 12in RPR M-LOK Zero Impulse Black CFU16-5.56SOC-12RPR-ZS. 56SOC-15RPR-ZS Specifications for Radical Firearms 16 in. 5.56 SOCOM Upper Assembly w/ Zero Impulse Brake: Manufacturer:... ... more

Jacob Grey Firearms Complete Upper Assembly 5.56 NATO 13in 1-7 Twist 1/2x28 Thread Black 556N13CUA

Jacob Grey Firearms Complete Upper Assembly 5.56 NATO 13in 1-7 Twist 1/2x28 Thread Black 556N13CUA. 56 NATO and built around a 1/7 twist barrel. 7-sided M-LOK Handguard and 7075 Aluminum Upper Receiver. These uppers have a pistol-length gas system that... ... more

Radical Firearms Complete Upper Assembly 10.5in 7.62x39 4150V HBAR Contour 1/10 Twist 10in RPR M-LOK A2 Flash Hider Black CFU10.5-7.62X39HBAR-10RPR

Radical Firearms Complete Upper Assembly 10.5in 7.62x39 4150V HBAR Contour 1/10 Twist 10in RPR M-LOK A2 Flash Hider Black CFU10.5-7.62X39HBAR-10RPR. 5" Upper Assembly is a high quality cost effective upgrade to your existing AR-10 platform firearm.... ... more

Radical Firearms Complete Upper Assembly 16in 6.8 SPC II HBAR Contour 1/11 Twist 15in RPR M-LOK A2 Flash Hider Black CFU16-6.8SPCIIHBAR-15RPR

Radical Firearms Complete Upper Assembly 16in 6.8 SPC II HBAR Contour 1/11 Twist 15in RPR M-LOK A2 Flash Hider Black CFU16-6.8SPCIIHBAR-15RPR. 8 SPC II is a complete MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or... ... more

Radical Firearms Complete Upper Assembly 16in 5.56 SOCOM 1/7 Twist 15in RPR M-LOK Zero Impulse Black CFU16-5.56SOC-15RPR-ZS

Radical Firearms Complete Upper Assembly 16in 5.56 SOCOM 1/7 Twist 15in RPR M-LOK Zero Impulse Black CFU16-5.56SOC-15RPR-ZS. 56SOC-15RPR-ZS Specifications for Radical Firearms 16 in. 5.56 SOCOM Upper Assembly w/ Zero Impulse Brake: Manufacturer:... ... more

Radical Firearms Complete Upper Assembly 16in 6.8 SPC II HBAR Contour 1/11 Twist 15in MHR M-LOK A2 Flash Hider Black CFU16-6.8SPCIIHBAR-15MHR

Radical Firearms Complete Upper Assembly 16in 6.8 SPC II HBAR Contour 1/11 Twist 15in MHR M-LOK A2 Flash Hider Black CFU16-6.8SPCIIHBAR-15MHR. 8 SPC II is a complete MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or... ... more

Radical Firearms RF Upper Assembly 16in 223 Wylde 416R HBAR Contour 1/8 Twist 12in RPR M-LOK A2 Flash Hider Black FU16-223W-SS-12RPR

Radical Firearms RF Upper Assembly 16in 223 Wylde 416R HBAR Contour 1/8 Twist 12in RPR M-LOK A2 Flash Hider Black FU16-223W-SS-12RPR. Based upon the classic American platform and design the upper is made with the time proven recipe of sturdy bolt... ... more

Ghost Firearms Complete Upper Receiver Rifle Lower Parts Kit 5.56mm 16in Butt Stock 4150 M4 Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2

Ghost Firearms Complete Upper Receiver Rifle Lower Parts Kit 5.56mm 16in Butt Stock 4150 M4 Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2. 56 NATO Complete Upper Receiver w/ Rifle Lower Parts Kit is packed with high-quality parts that will help... ... more

Ghost Firearms Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol 4150 Moly Steel Barrel 1-7 Twist 7in M-LOK Free Float Hand Guard A2 Flash

Ghost Firearms Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol 4150 Moly Steel Barrel 1-7 Twist 7in M-LOK Free Float Hand Guard A2 Flash. 56 Complete Upper Receiver w/Pistol Lower Parts Kit is the perfect item for those looking to create a... ... more

Ghost Firearms Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol 4150 Moly Steel Barrel 1-7 Twist 7in M-LOK Free Float Hand Guard A2 Flash

Ghost Firearms Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol 4150 Moly Steel Barrel 1-7 Twist 7in M-LOK Free Float Hand Guard A2 Flash. 56 Complete Upper Receiver w/Pistol Lower Parts Kit is the perfect item for those looking to create a... ... more

Ghost Firearms Upper Receiver Pistol Lower Parts Kit 5.56mm/.223 10.5in Carbine Moly Barrel 1-7 Twist 9in M-LOK Free Float Hand Guard A2 Flash Hider

Ghost Firearms Upper Receiver Pistol Lower Parts Kit 5.56mm/.223 10.5in Carbine Moly Barrel 1-7 Twist 9in M-LOK Free Float Hand Guard A2 Flash Hider. 56 Complete Upper Receiver w/Pistol Lower Parts Kit is the perfect item for those looking to create a... ... more

Radical Firearms Complete Upper Assembly 16in 223 Wylde 416R HBAR Contour 1/8 Twist 15in RPR M-LOK A2 Flash Hider Black CFU16-223W-SS-15RPR

Radical Firearms Complete Upper Assembly 16in 223 Wylde 416R HBAR Contour 1/8 Twist 15in RPR M-LOK A2 Flash Hider Black CFU16-223W-SS-15RPR. Complete upper assemblies include: Bolt Carrier Group Bolt Carrier Magazine Housing Gas Tube Flash Hider Bolt... ... more

Radical Firearms RF Upper Assembly 16in 5.56 SOCOM 1/7 Twist 12in RPR M-LOK Zero Impulse Black FU16-5.56SOC-12RPR-ZS

Radical Firearms RF Upper Assembly 16in 5.56 SOCOM 1/7 Twist 12in RPR M-LOK Zero Impulse Black FU16-5.56SOC-12RPR-ZS. Radical Firearms builds all of its barrel assemblies in-house. This allows us to provide customers with a precision-machined made in... ... more

Ghost Firearms Upper Receiver Rifle Lower Parts Kit 5.56mm 16in Carbine 4150 Moly Steel Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Flash

Ghost Firearms Upper Receiver Rifle Lower Parts Kit 5.56mm 16in Carbine 4150 Moly Steel Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Flash. 56 NATO Complete Upper Receiver w/ Rifle Lower Parts Kit is packed with high-quality parts that will... ... more

Ghost Firearms Upper Receiver Rifle Lower Parts Kit 5.56mm 16in Carbine 4150 Moly Steel Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Flash

Ghost Firearms Upper Receiver Rifle Lower Parts Kit 5.56mm 16in Carbine 4150 Moly Steel Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Flash. 56 NATO Complete Upper Receiver w/ Rifle Lower Parts Kit is packed with high-quality parts that will... ... more

Ghost Firearms Upper Receiver Rifle Lower Parts Kit 5.56mm 16in Carbine 4150 Moly Steel Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Flash

Ghost Firearms Upper Receiver Rifle Lower Parts Kit 5.56mm 16in Carbine 4150 Moly Steel Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Flash. 56 NATO Complete Upper Receiver w/ Rifle Lower Parts Kit is packed with high-quality parts that will... ... more

Radical Firearms RF Upper Assembly 7.5in 5.56 M4 Contour 1/7 Twist 7in RPR M-LOK A2 Flash Hider Black FU7.5-5.56M4-7RPR

Radical Firearms RF Upper Assembly 7.5in 5.56 M4 Contour 1/7 Twist 7in RPR M-LOK A2 Flash Hider Black FU7.5-5.56M4-7RPR. We have always taken these designs and tried to capture the same aesthetics and performance with our own version of a free float... ... more

Radical Firearms Complete Upper Assembly 18in 223 Wylde 416R HBAR Contour 1/8 Twist 15in MHR M-LOK A2 Flash Hider Black CFU18-223W-SS-15MHR

Radical Firearms Complete Upper Assembly 18in 223 Wylde 416R HBAR Contour 1/8 Twist 15in MHR M-LOK A2 Flash Hider Black CFU18-223W-SS-15MHR. Radical Firearms choose high quality barrels for their upper assemblies pairing that with a robust free float... ... more

Radical Firearms RF Upper Assembly 16in 5.56 SOCOM 1/7 Twist 15in RPR M-LOK Zero Impulse Black FU16-5.56SOC-15RPR-ZS

Radical Firearms RF Upper Assembly 16in 5.56 SOCOM 1/7 Twist 15in RPR M-LOK Zero Impulse Black FU16-5.56SOC-15RPR-ZS. Radical Firearms builds all of its barrel assemblies in-house. This allows us to provide customers with a precision-machined made in... ... more

Ghost Firearms Vital Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol 4150 M4 Barrel 1-7 Twist 7in M-LOK Free Float Hand Guard A2 Birdcage

Ghost Firearms Vital Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol 4150 M4 Barrel 1-7 Twist 7in M-LOK Free Float Hand Guard A2 Birdcage. 56 Complete Upper Receiver w/Pistol Lower Parts Kit has everything you need to complete your new lower... ... more

Radical Firearms RF Upper Assembly 16in 5.56 SOCOM 1/7 Twist 15in RPR M-LOK A2 Flash Hider Black FU16-5.56SOC-15RPR

Radical Firearms RF Upper Assembly 16in 5.56 SOCOM 1/7 Twist 15in RPR M-LOK A2 Flash Hider Black FU16-5.56SOC-15RPR. 56mm is a MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or advanced shooter wanting to finish out... ... more

Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 16in Carbine Length 4150 M4 Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Birdcage

Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 16in Carbine Length 4150 M4 Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Birdcage. 56 Upper Receiver. Ghost Firearms machined these Mil-Spec AR15 Upper Receivers from 7075 T6 aluminum... ... more

Radical Firearms Complete Upper Assembly 16in 458 SOCOM .936 1/14 Twist 15in MHR M-LOK Panzer Brake Black CFU16-458SOC-15MHR

Radical Firearms Complete Upper Assembly 16in 458 SOCOM .936 1/14 Twist 15in MHR M-LOK Panzer Brake Black CFU16-458SOC-15MHR. These AR15 Upper Receivers built by Radical Firearms arrive at your doorstep complete and assembled so you don't have to waste... ... 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

Ghost Firearms Upper Receiver Rifle Lower Parts Kit 5.56mm 16in Butt Stock 4150 M4 Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Muzzle Device

Ghost Firearms Upper Receiver Rifle Lower Parts Kit 5.56mm 16in Butt Stock 4150 M4 Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Muzzle Device. 56 NATO Complete Upper Receiver w/ Rifle Lower Parts Kit is packed with high-quality parts that will... ... more

Ghost Firearms Upper Receiver Rifle Lower Parts Kit 5.56mm 16in Carbine 4150 Chrome Moly Steel Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2

Ghost Firearms Upper Receiver Rifle Lower Parts Kit 5.56mm 16in Carbine 4150 Chrome Moly Steel Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2. 56 NATO Complete Upper Receiver w/ Rifle Lower Parts Kit is packed with high-quality parts that will... ... more

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 16in Mid-Length Barrel 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard FDE Cerakote

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 16in Mid-Length Barrel 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard FDE Cerakote. Specifications for Aero Precision M4E1 16in 5.56 ATLAS R-ONE M-LOK Complete Upper Receiver with Flash Hider:... ... more

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 16in M4 Barrel 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard FDE Cerakote APAR700715M6

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 16in M4 Barrel 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard FDE Cerakote APAR700715M6. Specifications for Aero Precision M4E1 16in 5.56 ATLAS R-ONE M-LOK Complete Upper Receiver with Flash... ... more

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 16in 1-8 Twist A2 Flash Hider 15in M-LOK ATLAS R-ONE Handguard Black Anodized

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 16in 1-8 Twist A2 Flash Hider 15in M-LOK ATLAS R-ONE Handguard Black Anodized. The R-ONE handguards are designed with size and weight in mind while still providing plenty of real-estate to... ... more

Radical Firearms Complete Upper Assembly 16in 12.7x42 .936 1/20 Twist 12in MHR M-LOK Panzer Brake Black CFU16-12.7X42-12MHR

Radical Firearms Complete Upper Assembly 16in 12.7x42 .936 1/20 Twist 12in MHR M-LOK Panzer Brake Black CFU16-12.7X42-12MHR. 7x42 Complete Upper. After a year of development a few thousand rounds and a pretty sore shoulder we feel this is absolutely... ... more

Radical Firearms AR-15 Complete Upper Assembly 16in 7.62x39 4150V HBAR Contour 1/10 Twist 12in RPR M-LOK A2 Flash Hider Black CFU16-7.62X39HBAR-12RPR

Radical Firearms AR-15 Complete Upper Assembly 16in 7.62x39 4150V HBAR Contour 1/10 Twist 12in RPR M-LOK A2 Flash Hider Black CFU16-7.62X39HBAR-12RPR. This fully mil-spec compliant receiver provides a high-quality upper for any level budget or shooter.... ... more