Sharps Bros. 16in AR15/M4 Complete Upper Receiver 5.56/.223 Cal 15in Handguard Mid Length 1-7 Twist Rate 1/2x28 TPI Black Nitride SBBU01

Sharps Bros Ar-15/M4 5.56mm Complete Upper - Ar-15/M4 5.56mm 16" Bbl 15" Handguard Complete Upper

Complete Sharps Bros SBUR04 upper with 15" full top rail handguard. 16" AR15 Upper, 5.56 CAL, 15" Handguard, M16 black DLC coated BCG, Radian Charging Handle, Mid Length Gas System. Full Top Rail. MLOK 7 sides. Total Weight of complete upper (including... ... more

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 16in Mid-Length Barrel 1-7 Twist 15in ATLAS R-ONE Handguard A2 Flash Hider Cerakote OD Green

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 16in Mid-Length Barrel 1-7 Twist 15in ATLAS R-ONE Handguard A2 Flash Hider Cerakote OD Green. Specifications for Aero Precision M4E1 16in 5.56 ATLAS R-ONE M-LOK Complete Upper Receiver with... ... 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

Tiger Rock Complete Upper Receiver AR-15 5.56 NATO 16in Mid Length 1-7 Twist w/ 16in Keymod Handguard Black Large UB15-FKM16

Tiger Rock Complete Upper Receiver AR-15 5.56 NATO 16in Mid Length 1-7 Twist w/ 16in Keymod Handguard Black Large UB15-FKM16. The Upper Receiver 16in Barrel and Bolt Carrier Group are made in specialized factories Included is a 16in Free Float Keymod... ... more

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 145in Mid-Length Barrel 1-7 Twist 1/2x28 Thread ATLAS R-ONE Handguard Black Anodized

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 145in Mid-Length Barrel 1-7 Twist 1/2x28 Thread 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... ... more

Tiger Rock Complete Upper Receiver .300 Blackout AR 16in Pistol Length 1/8 Twist w/ 15in M-LOK Handguard Black Large UB300-15ML

Tiger Rock Complete Upper Receiver .300 Blackout AR 16in Pistol Length 1/8 Twist w/ 15in M-LOK Handguard Black Large UB300-15ML. 300 Blackout Complete Upper Receiver then you have come to the right spot.. Established using several of the very most... ... 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 Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol Length 4150 M4 Barrel 1-7 Twist 9in M-LOK Free Float Hand Guard

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol Length 4150 M4 Barrel 1-7 Twist 9in M-LOK Free Float Hand Guard. 56 Complete Upper Receiver w/Pistol Lower Parts Kit is the perfect item for those looking to create a... ... more

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol Length 4150 M4 Barrel 1-7 Twist 9in M-LOK Free Float Hand Guard

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol Length 4150 M4 Barrel 1-7 Twist 9in M-LOK Free Float Hand Guard. 56 Complete Upper Receiver w/Pistol Lower Parts Kit is the perfect item for those looking to create a... ... more

Outerwild AR15 Complete Premium Upper Receiver Billet 5.56NATO 16in 1-7 Twist 15in M-LOK Handguard Black Anodize 4027-3410-001-O

Outerwild AR15 Complete Premium Upper Receiver Billet 5.56NATO 16in 1-7 Twist 15in M-LOK Handguard Black Anodize 4027-3410-001-O. The Outerwild complete upper receivers are made from the highest quality made in specialized factories components.... ... more

LWRCI Complete Di Upper Receiver 5.56mm 16 inch Barrel 1-7 Twist M-LOK Handguard Black 16in ICDIU5B16ML

LWRCI Complete Di Upper Receiver 5.56mm 16 inch Barrel 1-7 Twist M-LOK Handguard Black 16in ICDIU5B16ML. The IC DI MLOK Upper is a true step up from standard Direct Impingement model. IC DI MLOK Upper Receiver ships complete with LWRCI Bolt Carrier... ... more

Outerwild AR15 Complete Premium Upper Receiver 5.56NATO 16in 1-7 Twist 13in M-LOK Handguard Black Anodize 4027-3410-028-O

Outerwild AR15 Complete Premium Upper Receiver 5.56NATO 16in 1-7 Twist 13in M-LOK Handguard Black Anodize 4027-3410-028-O. Outerwilds complete upper receivers are made from the highest quality made in specialized factories components. In-house at... ... more

Tiger Rock Complete Upper Receiver .300 Blackout AR 7.5in Pistol Length 1-7 Twist w/ M-LOK Handguard Black Large UB300-P7.5-4ML

Tiger Rock Complete Upper Receiver .300 Blackout AR 7.5in Pistol Length 1-7 Twist w/ M-LOK Handguard Black Large UB300-P7.5-4ML. 300 Blackout Complete Upper Receiver then you have come to the right spot.. Established using several of the very most... ... 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

TRYBE Defense Complete Upper Receiver AR-15 5.56x45mm NATO 16in 5R Barrel 1-7 Twist 15in M-LOK Rail A2 Flash Hider BCG and CH Nitride Black UPPER16556

TRYBE Defense Complete Upper Receiver AR-15 5.56x45mm NATO 16in 5R Barrel 1-7 Twist 15in M-LOK Rail A2 Flash Hider BCG and CH Nitride Black UPPER16556. You need it. If you're ready to enjoy the awesomeness that is an AR Pistol the TRYBE Defense AR-15... ... more

Stag Arms 15 Tactical Elite 5.56mm Upper Receiver 16in Right Hand Hanson Barrel Profile Mid-Length 1-7 Twist 1/2-28 Thread VG6 Gamma SL FDE

Stag Arms 15 Tactical Elite 5.56mm Upper Receiver 16in Right Hand Hanson Barrel Profile Mid-Length 1-7 Twist 1/2-28 Thread VG6 Gamma SL FDE. 56mm Upper Receiver. Formulated using some of the most strong and long lasting components around these AR15... ... more

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 16in 5.56 Mid-Length Barrel 15in M-LOK ATLAS R-ONE Handguard Anodized

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 16in 5.56 Mid-Length Barrel 15in M-LOK ATLAS R-ONE Handguard Anodized. By combining our lightest handguards and barrel profiles with the No Forward Assist Upper Receiver... ... more

Aero Precision Complete Upper Receiver M4E1 Threaded PRO 5.56 12.5in Barrel Gov Profile Mid-Length Gas System 1-7 Twist 1/2 x 28 Thread ATLAS R-ONE

Aero Precision Complete Upper Receiver M4E1 Threaded PRO 5.56 12.5in Barrel Gov Profile Mid-Length Gas System 1-7 Twist 1/2 x 28 Thread ATLAS R-ONE. 56 Cold Hammer Forged Barrel that is paired with our PRO 5.56 BCG. Included ATLAS R-ONE Handguard... ... 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

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

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

Tiger Rock Complete Upper Receiver AR 7.62X39 16in Carbine Length 1-10 Twist w/ 12in M-LOK Handguard Black Large UB762-12ML

Tiger Rock Complete Upper Receiver AR 7.62X39 16in Carbine Length 1-10 Twist w/ 12in M-LOK Handguard Black Large UB762-12ML. 62X39 Complete Upper Receiver. These AR15 Upper Receivers from the skilled product specialists at Tiger Rock are designed using... ... more

Aero Precision M5E1 Complete Upper Reciever .308 16in Mid Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Cerakote FDE

Aero Precision M5E1 Complete Upper Reciever .308 16in Mid Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Cerakote FDE. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

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

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

Outerwild AR15 Complete Premium Upper Receiver Billet .223 Wylde 16in 1-7 Twist 15in M-LOK Handguard Black Anodize 4027-3410-025-O

Outerwild AR15 Complete Premium Upper Receiver Billet .223 Wylde 16in 1-7 Twist 15in M-LOK Handguard Black Anodize 4027-3410-025-O. The Outerwild complete upper receivers are made from the highest quality made in specialized factories components.... ... more

Tiger Rock AR-15 Complete Upper Receiver 5.56mm 24in 16in Barrel M4 Carbine 1x8 Twist 1/2x28 Thread Quad Rail 15in M-Lok Handguard Brake Nitride

Tiger Rock AR-15 Complete Upper Receiver 5.56mm 24in 16in Barrel M4 Carbine 1x8 Twist 1/2x28 Thread Quad Rail 15in M-Lok Handguard Brake Nitride. Each part conforms to Mil-Spec dimensions and is made from quality materials to ensure accuracy and... ... more

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 145in Mid-Length Barrel 1-7 Twist 1/2x28 Thread ATLAS R-ONE Handguard w/VG6 Precision

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 145in Mid-Length Barrel 1-7 Twist 1/2x28 Thread ATLAS R-ONE Handguard w/VG6 Precision. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... more

Wilson Combat Upper Complete Forged 300 BLK Protector Pistol Length 16in Round Q-Comp 1-7 Twist Black Without Forward Assist Black TR-UFW300BRCP16RQ7B

Wilson Combat Upper Complete Forged 300 BLK Protector Pistol Length 16in Round Q-Comp 1-7 Twist Black Without Forward Assist Black TR-UFW300BRCP16RQ7B. Complete High Performance AR Upper Receiver Units use the same top tier components skilled gunsmith... ... more

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

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

Stag Arms 15 Tactical Elite 5.56mm Upper Receiver 16in Right Hand Hanson Barrel Profile Mid-Length 1-7 Twist 1/2-28 Thread VG6 Gamma SL Black

Stag Arms 15 Tactical Elite 5.56mm Upper Receiver 16in Right Hand Hanson Barrel Profile Mid-Length 1-7 Twist 1/2-28 Thread VG6 Gamma SL Black. 56mm Upper Receiver. Formulated using some of the most strong and long lasting components around these AR15... ... 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 Chrome... ... more

Aero Precision Complete Upper Receiver M4E1-T SM-15 5.56x45mm NATO 16in Government Mid Length 1 in 7 1/2 x 28 15in A2 Flash Hider Anodized Kodiak

Aero Precision Complete Upper Receiver M4E1-T SM-15 5.56x45mm NATO 16in Government Mid Length 1 in 7 1/2 x 28 15in A2 Flash Hider Anodized Kodiak. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition to... ... more

Aero Precision Complete Upper Receiver M4E1-T RM-15 5.56x45mm NATO 16in Government Mid Length 1 in 7 1/2 x 28 15in A2 Flash Hider Anodized Kodiak

Aero Precision Complete Upper Receiver M4E1-T RM-15 5.56x45mm NATO 16in Government Mid Length 1 in 7 1/2 x 28 15in A2 Flash Hider Anodized Kodiak. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... more

Aagil Arms Complete AR-15 .223 Wylde Upper Assembly 16in Barrel Length Carbine 1-7 Twist w/ 15in Key Mod Anodized Black Medium AA-C16223C7D15

Aagil Arms Complete AR-15 .223 Wylde Upper Assembly 16in Barrel Length Carbine 1-7 Twist w/ 15in Key Mod Anodized Black Medium AA-C16223C7D15. 223 Wylde Upper Assembly 16in Barrel Length Carbine w/ 15in Key Mod was made to function as the best item for... ... more

Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 10.5 inch Carbine Length 4150 M4 Barrel 1-7 Twist 9 inch M-LOK Free Float Hand Guard A2

Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 10.5 inch Carbine Length 4150 M4 Barrel 1-7 Twist 9 inch M-LOK Free Float Hand Guard A2. 56 Upper Receiver. Ghost Firearms machined these Mil-Spec AR15 Upper Receivers from 7075 T6 aluminum for... ... more

Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 10.5 inch Carbine Length 4150 M4 Barrel 1-7 Twist 9 inch M-LOK Free Float Hand Guard A2

Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 10.5 inch Carbine Length 4150 M4 Barrel 1-7 Twist 9 inch M-LOK Free Float Hand Guard A2. 56 Upper Receiver. Ghost Firearms machined these Mil-Spec AR15 Upper Receivers from 7075 T6 aluminum for... ... more

Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 7 inch M-LOK Free Float Hand Guard A2 Flash

Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 7 inch M-LOK Free Float Hand Guard A2 Flash. 56 Upper Receiver. Ghost Firearms machined these Mil-Spec AR15 Upper Receivers from 7075 T6 aluminum... ... more