Aero Precision Upper Receiver Assembled AR-15 M-LOK Handguard Ceracote Burnt Bronze APAR501805AC

Aero Precision Ar-15 Upper Receiver Assembled No Auto Sear Cut - Upper Receiver Assembled No Auto Se

If you're looking to take advantage of the huge market for AR-15 components and accessories but aren't legally allowed to possess components that function with an installed auto sear in the AR-15 lower, then the Aero Precision AR-15 Upper Receiver with... ... more

Aero Precision Ar-15/M16 Assembled Upper Receiver

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 Assembled Upper Receiver 16" 5.56mm Mid-Length - Ar-15 Assembled Upper Receiver

This AR-15 5.56mm 16" Mid-Length Upper Receiver from Aero Precision replicates the standard military M4 upper with one important addition. It has a longer, mid-length gas system that helps slow gas velocity for improved reliability in cycling (over the... ... 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

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

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

Ghost Firearms Upper Receiver Pistol Lower Parts Kit .300 Blackout 10.5in Pistol Moly Steel Barrel 1-8 Twist M-LOK Free Float Hand Guard Burnt Bronze

Ghost Firearms Upper Receiver Pistol Lower Parts Kit .300 Blackout 10.5in Pistol Moly Steel Barrel 1-8 Twist M-LOK Free Float Hand Guard Burnt Bronze. Their most widely used Ghost Vital .300 blackout pistol kit includes M-LOK free-float handguard... ... more

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

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

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

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

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 18in 1-8 Twist A2 Flash Hider 15 in M-LOK 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

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

Aero Precision M4E1 Complete Upper Receiver AR-15 10.5 in Rifle Length Barrel 9 in M-LOK Handguard No BCH/CH Anodized Black APAR640221M2

Aero Precision M4E1 Complete Upper Receiver AR-15 10.5 in Rifle Length Barrel 9 in M-LOK Handguard No BCH/CH Anodized Black APAR640221M2. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual... ... more

Aero Precision M4E1 Complete Upper Receiver with Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in M-LOK Handguard No BCG/CH Anodized Black

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

Aero Precision M5 Complete Upper Receiver 24in 6.5 Creedmoor SS Rifle Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538715M47

Aero Precision M5 Complete Upper Receiver 24in 6.5 Creedmoor SS Rifle Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538715M47. 5 Creedmoor SS Complete Upper Receiver w/ ATLAS R-ONE Handguard includes an M5 assembled upper... ... more

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 10.5in 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 10.5in 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

Aero Precision M5 Complete Upper Receiver 16in .308 CMV Mid Barrel w/ATLAS S-ONE 12in M-LOK Handguard Anodized Black APAR538104M22

Aero Precision M5 Complete Upper Receiver 16in .308 CMV Mid Barrel w/ATLAS S-ONE 12in M-LOK Handguard Anodized Black APAR538104M22. 308 CMV Complete Upper Receiver w/ ATLAS S-ONE Handguard. This upper by Aero Precision features an ATLAS S-ONE handguard... ... more

Aero Precision Upper Receiver Assembled AR-15 M-LOK Handguard Ceracote Sniper Grey APAR501812AC

Aero Precision Upper Receiver Assembled AR-15 M-LOK Handguard Ceracote Sniper Grey APAR501812AC. Forged from 7075-T6 aluminum this assembled upper is precision machined to mil- spec M16/M4 specifications and features M4 feedramps. Match this upper with... ... more

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

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

Aero Precision Complete Upper Receiver M4E1-E 10.5in 5.56 Barrel Quantum 9in M-LOK Handguard Anodized Black APAR640102M2

Aero Precision Complete Upper Receiver M4E1-E 10.5in 5.56 Barrel Quantum 9in M-LOK Handguard Anodized Black APAR640102M2. These AR15 Upper Receivers from Aero Precision include an upper receiver forged from 7075 T6 aluminum with a Quantum Handguard and... ... more

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Bronze XTSCU8300BR

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Bronze XTSCU8300BR. 5in AR15 300 Blackout upper comes FULLY ASSEMBLED With an Anchor Harvey Upper and an XTS Hand Guard.... ... more

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 19.5in 10.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Bronze XTSCUBO10BR

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 19.5in 10.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Bronze XTSCUBO10BR. With an Anchor Harvey Upper and an XTS Hand Guard this will make your next build the ultimate AR.... ... more

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Bronze XTS-CU-7BR

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Bronze XTS-CU-7BR. 56 16.5in upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56.... ... more

Aero Precision M4E1 Complete Upper Receiver AR-15 10.5 in Rifle Length Barrel 9 in M-LOK Handguard No BCH/CH Magpul Cerakote Flat Dark Earth

Aero Precision M4E1 Complete Upper Receiver AR-15 10.5 in Rifle Length Barrel 9 in M-LOK Handguard No BCH/CH Magpul Cerakote Flat Dark Earth. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and... ... more

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 24.75in 16.5in Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Bronze

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 24.75in 16.5in Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Bronze. 56 upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56. These XTS... ... more

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Blue XTSCU8300BL

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Blue XTSCU8300BL. 5in AR15 300 Blackout upper comes FULLY ASSEMBLED With an Anchor Harvey Upper and an XTS Hand Guard.... ... more

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Red XTSCU8300RD

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Red XTSCU8300RD. 5in AR15 300 Blackout upper comes FULLY ASSEMBLED With an Anchor Harvey Upper and an XTS Hand Guard.... ... more

XTS Complete Upper Receiver w/o BCG w/ Ce Rail AR-15 300 BO 17.5in 8in Barrel 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Finish XTS-CU8300CE

XTS Complete Upper Receiver w/o BCG w/ Ce Rail AR-15 300 BO 17.5in 8in Barrel 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Finish XTS-CU8300CE. 5in AR15 300 Blackout upper comes FULLY ASSEMBLED With an Anchor Harvey Upper and an XTS Hand Guard this... ... more

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Purple XTSCU8300PP

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Purple XTSCU8300PP. 5in AR15 300 Blackout upper comes FULLY ASSEMBLED With an Anchor Harvey Upper and an XTS Hand Guard.... ... more

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 16in M4 Barrel 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized APAR700705M6

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 16in M4 Barrel 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized APAR700705M6. Specifications for Aero Precision M4E1 16in 5.56 ATLAS R-ONE M-LOK Complete Upper Receiver with Flash... ... more

DEMO Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 10.5in 5.56 Barrel 9in M-LOK ATLAS R-ONE Handguard Anodized

DEMO Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 10.5in 5.56 Barrel 9in M-LOK ATLAS R-ONE Handguard Anodized. These complete upper receivers from Aero Precision are just the thing you need The hardcoat anodized... ... more

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 NATO 14.5 in Barrel M4 Profile 1-7 Twist 1/2x28 Thread 12 in ATLAS R-ONE M-LOK Handguard

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 NATO 14.5 in Barrel M4 Profile 1-7 Twist 1/2x28 Thread 12 in ATLAS R-ONE M-LOK Handguard. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Aero Precision Complete Upper Receiver M5 .308 Winchester 18in Fluted SS Barrel Rifle Length w/ ATLAS S-ONE 15in M-LOK Handguard FDE APAR538115M69

Aero Precision Complete Upper Receiver M5 .308 Winchester 18in Fluted SS Barrel Rifle Length w/ ATLAS S-ONE 15in M-LOK Handguard FDE APAR538115M69. 308 Winchester is a reliable foundation for your new build with an included M5 hand guard and barrel.... ... more

Aero Precision Complete Upper Receiver M5 .308 Winchester 18in Fluted SS Barrel Rifle Length w/ ATLAS S-ONE 15in M-LOK Handguard Anodized Black

Aero Precision Complete Upper Receiver M5 .308 Winchester 18in Fluted SS Barrel Rifle Length w/ ATLAS S-ONE 15in M-LOK Handguard Anodized Black. 308 Winchester is a reliable foundation for your new build with an included M5 hand guard and barrel.... ... more

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 14.7in 5.56 Mid Pencil Barrel 12in M-LOK ATLAS R-ONE Handguard

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 14.7in 5.56 Mid Pencil Barrel 12in M-LOK ATLAS R-ONE Handguard. By combining our lightest handguards and barrel profiles with the No Forward Assist Upper Receiver you can... ... more

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 14.7in 5.56 Mid Pencil Barrel 12in M-LOK ATLAS S-ONE Handguard

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 14.7in 5.56 Mid Pencil Barrel 12in M-LOK ATLAS S-ONE Handguard. By combining our lightest handguards and barrel profiles with the No Forward Assist Upper Receiver you can... ... more

POF USA Revolution DI Upper Receiver 308 WIN 18.5in Barrel Rifle Length 1-10 Twist 5/8x24 14.5in M-Lok Rail Triple Port Muzzle Break Burnt Bronze 1821

POF USA Revolution DI Upper Receiver 308 WIN 18.5in Barrel Rifle Length 1-10 Twist 5/8x24 14.5in M-Lok Rail Triple Port Muzzle Break Burnt Bronze 1821. By popular demand you get the same technology same durability same features and same AR-15 size but... ... more