TacFire Stripped AR-15 5.56x45mm NATO Upper Receiver Black Anodized UP01C2

Aero Precision Ar-15/M16 Assembled Upper Receiver - 5.56x45 Nato Assembled Upper Receiver For Ar-15

The AR-15 Assembled Upper Receiver comes with the port door and forward assist already installed. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil- spec M16/M4 specifications and features M4 feedramps. Black model... ... more

Aero Precision Ar-15/M16 Stripped Upper Receiver - 5.56x45 Nato Stripped Upper Receiver For Ar-15 Fd

The Aero Precision Stripped Upper Receiver is machined from 7075 aircraft aluminum for superior strength and features a super tough, Type 3 hardcoat anodized finish for excellent wear resistance. Black 7075-T6 Aluminum M4 Feedramps .250 Takedown pin... ... more

Aero Precision Ar-15/M16 Stripped Upper Receiver - 5.56x45 Nato Stripped Upper Receiver W/T-Marks Fo

The Aero Precision Stripped Upper Receiver is machined from 7075 aircraft aluminum for superior strength and features a super tough, Type 3 hardcoat anodized finish for excellent wear resistance. Black 7075-T6 Aluminum M4 Feedramps .250 Takedown pin... ... 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-T SM-15 5.56x45mm NATO 16in Government Mid Length 1 in 7 1/2 x 28 15in A2 Flash Hider Anodized OD Green

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 OD Green. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition... ... more

Wilson Combat Upper Receiver 5.56x45mm NATO AR-10 Billet Anodized Black TR-UPPER-BIL-10

Wilson Combat Upper Receiver 5.56x45mm NATO AR-10 Billet Anodized Black TR-UPPER-BIL-10. These AR15 Upper Receivers have been machined for maximum durability and given a hard coat anodized in rugged black. The Wilson Combat Upper Receiver is a must... ... more

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 11.5in 5.56 Barrel 9in M-LOK ATLAS R-ONE Handguard Anodized Black

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 11.5in 5.56 Barrel 9in M-LOK ATLAS R-ONE Handguard Anodized Black. By combining our lightest handguards and barrel profiles with the No Forward Assist Upper Receiver you... ... more

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 11.5in 5.56 Barrel 9in M-LOK ATLAS S-ONE Handguard Anodized Black

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 11.5in 5.56 Barrel 9in M-LOK ATLAS S-ONE Handguard Anodized Black. By combining our lightest handguards and barrel profiles with the No Forward Assist Upper Receiver you... ... more

TRYBE Defense Complete Upper Receiver AR-15 16in M-LOK .223 Wylde 5.56x45mm NATO Black w/ Charging Handle and BCG UPPER16223

TRYBE Defense Complete Upper Receiver AR-15 16in M-LOK .223 Wylde 5.56x45mm NATO Black w/ Charging Handle and BCG UPPER16223. You need it. If you're ready to enjoy the awesomeness that is an AR Rifle the TRYBE Defense AR-15 16" Semi-Complete Upper... ... more

Wilson Combat AR-15 Billet Stripped Upper Receiver 5.56x45mm NATO Black TR-UPPER-BIL

Wilson Combat AR-15 Billet Stripped Upper Receiver 5.56x45mm NATO Black TR-UPPER-BIL. Machined from 7075-T6 aircraft-grade billet aluminum allows them to both address structural design weaknesses in standard rifles and provide some of the highest... ... more

CMMG Mk4 Resolute Upper Receiver Group 5.56x45mm NATO 16.1in Armor Black 55BC7C3-AB

CMMG Mk4 Resolute Upper Receiver Group 5.56x45mm NATO 16.1in Armor Black 55BC7C3-AB. Chambered this upper group is a staple for any collection and comes ready to pair with the AR15 lower group of your choice. Specifications for CMMG Mk4 Resolute Upper... ... more

TacFire Unassembled Rifle Build Kit AR-15 5.56x45mm NATO 16in Barrel 15in Handguard 1-8 Twist 1/2x28 A2 Birdcage Black RK556LPK

TacFire Unassembled Rifle Build Kit AR-15 5.56x45mm NATO 16in Barrel 15in Handguard 1-8 Twist 1/2x28 A2 Birdcage Black RK556LPK. With a 1:8 twist rate your new firearm will stabilize everything from 55-grain range ammo to 69 plus grain match... ... more

LaRue Tactical Complete AR-15 Match Grade Upper Receiver 16in 5.56x45mm NATO 1-8 Twist A2 Flash Hider Black LT-015

LaRue Tactical Complete AR-15 Match Grade Upper Receiver 16in 5.56x45mm NATO 1-8 Twist A2 Flash Hider Black LT-015. 56 LaRue Upper Its widely-recognized that were crafting the most accurate rifles on the planet. But if youve got any other type of AR-15... ... more

Aero Precision Complete Upper Receiver M4E1-E 5.56x45mm NATO 13.9in Government Mid Length 1 in 7 1/2 x 28 12.7in A2 Flash Hider Anodized Black

Aero Precision Complete Upper Receiver M4E1-E 5.56x45mm NATO 13.9in Government Mid Length 1 in 7 1/2 x 28 12.7in A2 Flash Hider Anodized Black. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition to... ... more

OP Exclusive Moriarti AR-15 Upper Receiver Assembly 5.56x45mm NATO 10.5in Carbine Government M-LOK 1-7 Twist 1/2x28 Diamond Cut Free-Float Handgrd

OP Exclusive Moriarti AR-15 Upper Receiver Assembly 5.56x45mm NATO 10.5in Carbine Government M-LOK 1-7 Twist 1/2x28 Diamond Cut Free-Float Handgrd. 5in 5.56x45mm NATO Upper Receiver Assembly Tri Port was created in order to function as the best product... ... more

OP Exclusive Moriarti AR-15 Pencil Upper Receiver Assembly 5.56x45mm NATO 16in Mid M-LOK 1-7 Twist 1/2x28 Thread Diamond Cut Free-Float Handgrd Tri

OP Exclusive Moriarti AR-15 Pencil Upper Receiver Assembly 5.56x45mm NATO 16in Mid M-LOK 1-7 Twist 1/2x28 Thread Diamond Cut Free-Float Handgrd Tri. 56 NATO 16in Diamond Cut 12in MLOK Upper Assembly/Triport was created in order to be the ideal product... ... more

Aero Precision Complete Upper Receiver M4E1-T SM12.7 5.56x45mm NATO 13.9in Government Mid Length 1 in 7 1/2 x 28 12.7in A2 Flash Hider Anodized Black

Aero Precision Complete Upper Receiver M4E1-T SM12.7 5.56x45mm NATO 13.9in Government Mid Length 1 in 7 1/2 x 28 12.7in A2 Flash Hider Anodized Black. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition... ... more

Aero Precision Complete Upper Receiver M4E1-T RM12.7 5.56x45mm NATO 13.9in Government Mid Length 1 in 7 1/2 x 28 12.7in A2 Flash Hider Anodized Black

Aero Precision Complete Upper Receiver M4E1-T RM12.7 5.56x45mm NATO 13.9in Government Mid Length 1 in 7 1/2 x 28 12.7in A2 Flash Hider Anodized Black. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... more

POF USA P415 Edge Upper Receiver Assembly 5.56x45mm NATO 10.5in Barrel 9in M-LOK Rail Black Anodized 1269

POF USA P415 Edge Upper Receiver Assembly 5.56x45mm NATO 10.5in Barrel 9in M-LOK Rail Black Anodized 1269. Originally developed over 15 years ago POF USA has been constantly testing upgrading and improving the design to perfect it. The P-415 features... ... 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

Aero Precision Complete Upper Receiver M4E1-T 5.56x45mm NATO 11.5in Government Carbine Length 1 in 7 1/2 x 28 10.3in A2 Flash Hider Anodized Kodiak

Aero Precision Complete Upper Receiver M4E1-T 5.56x45mm NATO 11.5in Government Carbine Length 1 in 7 1/2 x 28 10.3in A2 Flash Hider Anodized Kodiak. The R-ONE line of handguards are designed with size and weight in mind providing the perfect addition... ... more

Del-Ton Pre-Ban Heavy Profile Rifle Complete Upper Receiver 5.56x45mm NATO 16in Carbine Length Black RKT101

Del-Ton Pre-Ban Heavy Profile Rifle Complete Upper Receiver 5.56x45mm NATO 16in Carbine Length Black RKT101. Del-Ton brings this rifle kit with a complete upper assembly that has been head-spaced and test-fired. Includes all buttstock components and a... ... more

Del-Ton Pre-Ban Heavy Profile Rifle Complete Upper Receiver 5.56x45mm NATO 16in Mid-Length Black RKT104

Del-Ton Pre-Ban Heavy Profile Rifle Complete Upper Receiver 5.56x45mm NATO 16in Mid-Length Black RKT104. Del-Ton brings this rifle kit with a complete upper assembly that has been head-spaced and test-fired. Includes all buttstock components and a... ... more

Del-Ton Pre-Ban Heavy Profile Rifle Complete Upper Receiver 5.56x45mm NATO 11.5in Pistol Length Black RKT107

Del-Ton Pre-Ban Heavy Profile Rifle Complete Upper Receiver 5.56x45mm NATO 11.5in Pistol Length Black RKT107. Del-Ton brings this rifle kit with a complete upper assembly that has been head-spaced and test-fired. Includes all buttstock components and a... ... more

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

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

OP Exclusive Moriarti AR-15 Upper Receiver Assembly 5.56x45mm NATO 10.5in Carbine Government M-LOK 1-7 1/2x28 Diamond Cut Free-Float Handgrd Slanted

OP Exclusive Moriarti AR-15 Upper Receiver Assembly 5.56x45mm NATO 10.5in Carbine Government M-LOK 1-7 1/2x28 Diamond Cut Free-Float Handgrd Slanted. 5in 5.56x45mm NATO Upper Receiver Assembly Slanted Muzzle was made in order to be the best item for... ... more

Aero Precision M4E1 Complete Upper Receiver AR-15 5.56x45mm NATO 14.5 in Mid Length Barrel 12 in Quad Rail Handguard No BCG/CH Magpul Cerakote Flat

Aero Precision M4E1 Complete Upper Receiver AR-15 5.56x45mm NATO 14.5 in Mid Length Barrel 12 in Quad Rail Handguard No BCG/CH Magpul Cerakote Flat. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip... ... more

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 12in Quad Rail Handguard No BCG/CH

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 12in Quad Rail Handguard No BCG/CH. 56 Mid Barrel Complete Upper Receiver with Flash Hider is an amazing option. Designed to give you the... ... more

Aero Precision Complete Upper Receiver M4E1-T 5.56x45mm NATO 16in Government Carbine Length 1 in 7 1/2 x 28 12.7in A2 Flash Hider Anodized Black

Aero Precision Complete Upper Receiver M4E1-T 5.56x45mm NATO 16in Government Carbine Length 1 in 7 1/2 x 28 12.7in 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

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Armor Black 55B9331-AB

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Armor Black 55B9331-AB. 5 this DISSENT upper group is one of the shortest 5.56mm available to date. Packing all the power of 5.56 in a platform this... ... more

TacFire 5.56x45mm NATO AR Build Kit AR Platform 7.50in Barrel Right Black SSPK556LPK

TacFire 5.56x45mm NATO AR Build Kit AR Platform 7.50in Barrel Right Black SSPK556LPK. 56x45mm NATO 7.5in Barrel (1) Bolt Carrier Group (1) Mil-Spec Upper Receiver (1) Slim Free Float MLOK Hand Guard 7in (1) Complete Lower Parts Kit (1) Standard... ... more

Stag Arms AR-15 Tactical Upper Receiver 5.56x45mm NATO 7.5in Barrel GOV-CMV Profile 1-7 Twist 1/2x28 Left Hand VG6 Delta Chromephos Black STAG15110521

Stag Arms AR-15 Tactical Upper Receiver 5.56x45mm NATO 7.5in Barrel GOV-CMV Profile 1-7 Twist 1/2x28 Left Hand VG6 Delta Chromephos Black STAG15110521. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights... ... more

CMMG Mk4 Banshee Upper Receiver Group 5.56x45mm NATO 12.5in Armor Black 55BDFF4-AB

CMMG Mk4 Banshee Upper Receiver Group 5.56x45mm NATO 12.5in Armor Black 55BDFF4-AB. . These AR15 Upper Receivers through the expert product professionals at CMMG are made working with dependable and efficient components in order to provide you with... ... more

CMMG Mk4 Endeavor Upper Receiver Group 5.56x45mm NATO 18in Armor Black 55BFDAB-AB

CMMG Mk4 Endeavor Upper Receiver Group 5.56x45mm NATO 18in Armor Black 55BFDAB-AB. 56mm the ENDEAVOR Mk4 Upper Group is here. Perfect for new builds or for use with an existing AR15 lower receiver this upper utilizes an 18 416 stainless steel barrel... ... 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