Radian Weapons Model 1 Complete Upper Receiver .300 AAC Blackout 9 in Barrel Custom Pistol Length 1-5 Twist 1/2x28 Thread M-LOK Deadair Flash Hider

Aero Precision M4e1 Upper Receivers Complete .300 Blackout - M4e1 300blk Assm Upper M4 10"bbl Pistol

This complete upper includes Aero Precision's new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Their proprietary ATLAS attachment system is a... ... more

Aero Precision M4e1 Upper Receivers Complete .300 Blackout - M4e1 300blk Assm Upper M4 8"bbl Pistol-

This complete upper includes Aero Precision's new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Their proprietary ATLAS attachment system is a... ... more

Primary Weapons Mk107 Mod 1-M 223 Wylde Complete Upper Receiver - Mk107 Mod 1-M 223 Wylde 7.75" Bbl

MK107 MOD 1-M 223 Wylde Complete Upper Receiver SPECIFICATIONS: Operating System: PWS Long Stroke Piston System, 3 Setting Adjustable Gas Regulator Caliber: .223 Wylde Barrel Length: 7.75" Gas System Length: Pistol Barrel Twist Rate: 1:8 Muzzle... ... more

Aero Precision M4E1-T Complete Upper Receiver .300 AAC Blackout 10in Pistol Length S-One M-LOK Handguard Black APAR712102M4

Aero Precision M4E1-T Complete Upper Receiver .300 AAC Blackout 10in Pistol Length S-One M-LOK Handguard Black APAR712102M4. 300 AAC Blackout Complete Upper Receiver was made to be the best item for anyone trying to find a high quality choice..... ... more

Aero Precision M4E1-T Complete Upper Receiver .300 AAC Blackout 10in Pistol Length R-One M-LOK Handguard Black APAR712702M4

Aero Precision M4E1-T Complete Upper Receiver .300 AAC Blackout 10in Pistol Length R-One M-LOK Handguard Black APAR712702M4. 300 AAC Blackout Complete Upper Receiver was made to be the best item for anyone trying to find a high quality choice..... ... more

Sons of Liberty Gun Works Half Complete Upper Receiver M4-89 .300 AAC Blackout 13.9in 13in Combat Barrel M89 Rail A2 Flash Hider No BCG or CH Black

Sons of Liberty Gun Works Half Complete Upper Receiver M4-89 .300 AAC Blackout 13.9in 13in Combat Barrel M89 Rail A2 Flash Hider No BCG or CH Black. 300 AAC Blackout Half Complete Upper Receiver was created in order to function as the ideally suited... ... more

Ghost Firearms Vital Upper Receiver Pistol Lower Parts Kit .300 Blackout 10.5in Pistol Light HBAR Barrel 1-8 Twist 9in M-LOK Freefloat Handguard Blk

Ghost Firearms Vital Upper Receiver Pistol Lower Parts Kit .300 Blackout 10.5in Pistol Light HBAR Barrel 1-8 Twist 9in M-LOK Freefloat Handguard Blk. 300 Blackout Complete Upper Receiver w/Pistol Lower Parts Kit is full of them. Ghost Firearms expertly... ... more

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider Radian Grey

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider Radian Grey. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed... ... 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

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 17.5 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 17.5 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

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Carbine Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider Radian

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Carbine 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

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

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

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 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 16 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 utility... ... more

Stag Arms AR-15 Tactical Upper Receiver .300 AAC Blackout 16in Barrel Hanson Profile 1-7 Twist 1/2x28 Left Hand VG6 Delta Black STAG15112022

Stag Arms AR-15 Tactical Upper Receiver .300 AAC Blackout 16in Barrel Hanson Profile 1-7 Twist 1/2x28 Left Hand VG6 Delta Black STAG15112022. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights optics and... ... more

Stag Arms AR-15 Tactical Upper Receiver .300 AAC Blackout 16in Barrel Hanson Profile 1-7 Twist 1/2x28 Right Hand VG6 Delta Black STAG15102022

Stag Arms AR-15 Tactical Upper Receiver .300 AAC Blackout 16in Barrel Hanson Profile 1-7 Twist 1/2x28 Right Hand VG6 Delta Black STAG15102022. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights optics and... ... 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 FDE R0466

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 FDE R0466. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed... ... more

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider OD Green

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider OD Green. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed... ... more

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider FDE R0473

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider FDE R0473. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed... ... more

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 10.5 in Barrel Custom Carbine Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 10.5 in Barrel Custom Carbine Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed utility... ... more

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 17.5 in Barrel Custom Intermediate 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider OD

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 17.5 in Barrel Custom Intermediate 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider OD. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed utility... ... more

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 17.5 in Barrel Custom Intermediate 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider FDE

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 17.5 in Barrel Custom Intermediate 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider FDE. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed... ... more

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 10.5 in Barrel Custom Carbine Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider FDE

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 10.5 in Barrel Custom Carbine Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider FDE. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed... ... 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 OD Green

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 OD Green. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed... ... more

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled. 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 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled. 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 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled. 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 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled. 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 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled

Grid Defense Complete Upper Receiver .300 Blackout 7.5 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 9 inch Octagon M-LOK Hand Guard Dimpled. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2. 300 Blackout Upper Receiver is an essential part of any build. Ghost Firearms machined these Mil-Spec... ... more

Dark Storm Industries DS-15 Complete Upper Receiver TYPHOON Model .300 Blackout 16in Barrel 1-8 Twist Threaded Black DSI-UC5-TYP-T3-BLK

Dark Storm Industries DS-15 Complete Upper Receiver TYPHOON Model .300 Blackout 16in Barrel 1-8 Twist Threaded Black DSI-UC5-TYP-T3-BLK. 300 Blackout Threaded Upper Receiver. These AR15 Upper Receivers from the skilled product experts at Dark Storm... ... more

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2. 300 Blackout Upper Receiver is an essential part of any build. Ghost Firearms machined these Mil-Spec... ... more

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2. 300 Blackout Upper Receiver is an essential part of any build. Ghost Firearms machined these Mil-Spec... ... more

Dark Storm Industries DS-15 Complete Upper Receiver MOE Model .300 Blackout 16in Barrel 1-8 Twist Threaded Black DSI-UC5-MOE-T3-BLK

Dark Storm Industries DS-15 Complete Upper Receiver MOE Model .300 Blackout 16in Barrel 1-8 Twist Threaded Black DSI-UC5-MOE-T3-BLK. 300 Blackout Threaded Upper Receiver was made to function as the best item for any person trying to find an exceptional... ... more

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2 Muzzle

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2 Muzzle. 300 Blackout Upper Receiver is an essential part of any build. Ghost Firearms machined these Mil-Spec... ... more

Aero Precision M4E1-T Complete Upper Receiver .300 AAC Blackout 10in Pistol Length R-One M-LOK Handguard FDE APAR712712M4

Aero Precision M4E1-T Complete Upper Receiver .300 AAC Blackout 10in Pistol Length R-One M-LOK Handguard FDE APAR712712M4. 300 AAC Blackout Complete Upper Receiver was made to be the best item for anyone trying to find a high quality choice.. Developed... ... more

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2. 300 Blackout Upper Receiver is an essential part of any build. Ghost Firearms machined these Mil-Spec... ... more