LaRue Tactical Complete Match Grade Upper Receiver 22in 6.5 Creedmoor 1-8 Twist A2 Flash Hider Black LT-018

LaRue Tactical Complete Match Grade Upper Receiver 18in 6.5 Grendel 1-7 Twist A2 Flash Hider Black LT-016

LaRue Tactical Complete Match Grade Upper Receiver 18in 6.5 Grendel 1-7 Twist A2 Flash Hider Black LT-016. 5 Grendel MGU Its widely-recognized that were crafting the most accurate production rifles on the planet. But if youve got any other type of... ... more

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Tactical

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Tactical. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

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

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

Ghost Firearms Upper Receiver Rifle Lower Parts Kit .300 Blackout 16in Pistol Moly Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2 Flash Hider

Ghost Firearms Upper Receiver Rifle Lower Parts Kit .300 Blackout 16in Pistol Moly Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2 Flash Hider. 300 Blackout Complete Upper Receiver w/ Rifle Lower Parts Kit you can create a powerful firearm without... ... more

Ghost Firearms Upper Receiver Rifle Lower Parts Kit .300 Blackout 16in Pistol Moly Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2 Flash Hider

Ghost Firearms Upper Receiver Rifle Lower Parts Kit .300 Blackout 16in Pistol Moly Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2 Flash Hider. 300 Blackout Complete Upper Receiver w/ Rifle Lower Parts Kit you can create a powerful firearm without... ... more

Alexander Arms Tactical Upper Receiver AR-15 6.5mm Grendel 18 inch Barrel 1-8 Twist 5/8x24 Thread A2 Flash Hider Black Anodized UTA-65-10RD

Alexander Arms Tactical Upper Receiver AR-15 6.5mm Grendel 18 inch Barrel 1-8 Twist 5/8x24 Thread A2 Flash Hider Black Anodized UTA-65-10RD. Specifications for Alexander Arms AR-15 6.5mm Grendel Tactical Upper Receiver: Manufacturer: Alexander Arms... ... more

Rock River Arms Completed Upper Receiver National Match A4 .223/5.56mm 20 Inch Barrel 1-8 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hider

Rock River Arms Completed Upper Receiver National Match A4 .223/5.56mm 20 Inch Barrel 1-8 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hider. 223 Wylde Completed Upper then you've found yourself in the absolute right spot.. These AR15 Upper... ... more

Rock River Arms Completed Upper Receiver National Match A4 .223/5.56mm 20 Inch Barrel 1-8 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hider

Rock River Arms Completed Upper Receiver National Match A4 .223/5.56mm 20 Inch Barrel 1-8 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hider. 223 Wylde Completed Upper then you've found yourself in the absolute right spot.. These AR15 Upper... ... more

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

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

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 18in Fluted Barrel 1-8 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 18in Fluted Barrel 1-8 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized. 223 Wylde Complete Upper Receiver is a one-piece free float design with built-in anti-rotation tabs. These... ... 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

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Blue

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Blue. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Tungsten

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Tungsten. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Burnt

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Burnt. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Flat Dark

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Flat Dark. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Aero Precision M4E1 Threaded .223 Wylde w/ ATLAS R-ONE Handguard Complete Upper Receiver 18 inch Barrel 1-8 Twist A2 Flash Hider Magpul Cerakote Flat

Aero Precision M4E1 Threaded .223 Wylde w/ ATLAS R-ONE Handguard Complete Upper Receiver 18 inch Barrel 1-8 Twist A2 Flash Hider Magpul Cerakote Flat. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... more

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 11.5in Carbine Length 1-7 Twist 10.3in ATLAS S-ONE Handguard A2 Flash Hider Cerakote OD

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 11.5in Carbine Length 1-7 Twist 10.3in ATLAS S-ONE Handguard A2 Flash Hider Cerakote OD. 5in 5.56 w/ ATLAS S-ONE w/ A2 Flash Hider Handguard Complete Upper Receiver. Each of these AR15 Upper... ... more

Aero Precision Complete Upper Receiver M5E1 22in Barrel 6.5mm Creedmoor Rifle Length 1-8 Twist 416R Stainless Steel EM15 Anodized Black APAR308554M70

Aero Precision Complete Upper Receiver M5E1 22in Barrel 6.5mm Creedmoor Rifle Length 1-8 Twist 416R Stainless Steel EM15 Anodized Black APAR308554M70. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip... ... more

Aero Precision Complete Upper Receiver M5E1 22in Barrel 6.5mm Creedmoor Rifle Length 1-8 Twist 416R Stainless Steel EM15 Cerakote FDE APAR308556M70

Aero Precision Complete Upper Receiver M5E1 22in Barrel 6.5mm Creedmoor Rifle Length 1-8 Twist 416R Stainless Steel EM15 Cerakote FDE APAR308556M70. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip... ... more

Grid Defense Complete Upper Receiver .300 Blackout 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider

Grid Defense Complete Upper Receiver .300 Blackout 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider

Grid Defense Complete Upper Receiver .300 Blackout 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider

Grid Defense Complete Upper Receiver .300 Blackout 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider

Grid Defense Complete Upper Receiver .300 Blackout 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider

Grid Defense Complete Upper Receiver .300 Blackout 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider

Grid Defense Complete Upper Receiver .300 Blackout 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 18in 1-8 Twist A2 Flash Hider 15 in M-LOK ATLAS R-ONE Handguard FDE Cerakote

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 18in 1-8 Twist A2 Flash Hider 15 in M-LOK ATLAS R-ONE Handguard FDE Cerakote. 223 Wylde Complete Upper Receiver is a one-piece free float design with built-in anti-rotation tabs. These... ... more

Aero Precision M4E1 Threaded .223 Wylde w/ ATLAS R-ONE Handguard Complete Upper Receiver 18 inch Barrel 1-8 Twist A2 Flash Hider Anodized Black

Aero Precision M4E1 Threaded .223 Wylde w/ ATLAS R-ONE Handguard Complete Upper Receiver 18 inch Barrel 1-8 Twist A2 Flash Hider Anodized Black. The R-ONE handguards are designed with size and weight in mind while still providing plenty of real-estate... ... more

Grid Defense Complete Upper Receiver .300 Blackout 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider

Grid Defense Complete Upper Receiver .300 Blackout 10.5 inch Pistol Length 4150 Steel Light HBAR Barrel 1-8 Twist 10.5 inch Hand Guard A2 Flash Hider. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver 9mm 9x19 Para 16 inch 4150 Light HBAR Barrel 1-10 Twist 14 inch M-LOK Rail A2 Flash Hider Tactical Grape

Grid Defense Complete Upper Receiver 9mm 9x19 Para 16 inch 4150 Light HBAR Barrel 1-10 Twist 14 inch M-LOK Rail A2 Flash Hider Tactical Grape. Grid Defense machined these AR15 Upper Receivers from 7075-T6 aluminum for a lightweight yet durable build... ... more

Grid Defense Complete Upper Receiver 5.56mm 16 inch Carbine Length 4150 M4 Barrel 1-7 Twist 14 inch M-LOK Rail A2 Flash Hider Tactical Grape

Grid Defense Complete Upper Receiver 5.56mm 16 inch Carbine Length 4150 M4 Barrel 1-7 Twist 14 inch M-LOK Rail A2 Flash Hider Tactical Grape. 56 Upper Receiver. Grid Defense constructed these Mil-Spec AR15 Upper Receivers from 7075 T6 aluminum for a... ... more

Alpha Shooting Sports SSR15 Upper Receiver 5.56x45mm NATO 16in Hybrid Profile Mid Length 1-8 Twist Free Floating M-LOK Handguard A2 Flash Hider

Alpha Shooting Sports SSR15 Upper Receiver 5.56x45mm NATO 16in Hybrid Profile Mid Length 1-8 Twist Free Floating M-LOK Handguard A2 Flash Hider. 56x45mm NATO Upper Receiver with Flash Hider Assembly. Established working with several of the most... ... more

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 9mm 7.5in Pistol 4150 Chrome Moly Steel Barrel 1-10 Twist 7in M-LOK Rail A2 Flash Hider

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 9mm 7.5in Pistol 4150 Chrome Moly Steel Barrel 1-10 Twist 7in M-LOK Rail A2 Flash Hider. 5in Complete Upper Receiver w/ Pistol Lower Parts Kit features a 7.5in pistol profile made of 4150... ... more

Luth-AR A3 Complete Upper Receiver Assembled 14.5in SOCOM Profile Barrel 1-7 Twist 1/2 x 28 Thread A2 Flash Hider w/ F Marked FSB and and 2-Piece CAR

Luth-AR A3 Complete Upper Receiver Assembled 14.5in SOCOM Profile Barrel 1-7 Twist 1/2 x 28 Thread A2 Flash Hider w/ F Marked FSB and and 2-Piece CAR. 5? M4 SOCOM profile barrel with F Marked Front Sight Base 5.56mm made from 4150 CMV steel with a 1-7?... ... more

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 20in 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized APAR700705M48

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 20in 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized APAR700705M48. 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 300 AAC HBAR Contour 1/8 Twist 15in RPR M-LOK A2 Flash Hider Black CFU16-300HBAR-15RPR

Radical Firearms Complete Upper Assembly 16in 300 AAC HBAR Contour 1/8 Twist 15in RPR M-LOK A2 Flash Hider Black CFU16-300HBAR-15RPR. 62x39 is a MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or advanced shooter... ... more

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 14.5 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider Radian

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 14.5 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider Radian. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed... ... more