Faxon Firearms Upper Receiver Forged 7075-T6 Complete Anodized Black Small UR-FAX-F-A-C

Aero Precision M4E1-T Complete Upper Receiver 16in .223 Wylde Fluted Barrel ATLAS R-ONE 15in M-Lok Handguard Anodized Black APAR700705M50

Aero Precision M4E1-T Complete Upper Receiver 16in .223 Wylde Fluted Barrel ATLAS R-ONE 15in M-Lok Handguard Anodized Black APAR700705M50. 223 Wylde fluted barrel and the ATLAS R-ONE M-LOK handguard. This barreled upper receiver group does not include... ... 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 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 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

Aero Precision Complete Upper Receiver M4E1-E 16in 5.56 Mid Barrel Quantum 15in M-LOK Handguard Anodized Black APAR640105M7

Aero Precision Complete Upper Receiver M4E1-E 16in 5.56 Mid Barrel Quantum 15in M-LOK Handguard Anodized Black APAR640105M7. These AR15 Upper Receivers by Aero Precision are designed for M4E1 spec receivers and are precision machined. This Aero... ... more

Aero Precision M5 Complete Upper Receiver 18in .308 SS Rifle Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Black APAR538105M26

Aero Precision M5 Complete Upper Receiver 18in .308 SS Rifle Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Black APAR538105M26. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim profile while... ... more

Aero Precision Complete Upper Receiver M4E1 .300 Barrel EM-7 HG No BCG/Charging Handle Gen 2 Anodized Black 8in APAR600211M1

Aero Precision Complete Upper Receiver M4E1 .300 Barrel EM-7 HG No BCG/Charging Handle Gen 2 Anodized Black 8in APAR600211M1. 300 Blackout Barrels are equipped with Chrome Moly Vanadium barrels. Along with solid fit and finish these AR15 Upper... ... more

Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Anodized Black

Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Anodized Black. 308 rifle upper assemblies you can buy. The Aero Precision AR 308 Upper includes an M4 length gas block 18"... ... more

Aero Precision Complete Upper Receiver M4E1-T .223 16in Wylde Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M9

Aero Precision Complete Upper Receiver M4E1-T .223 16in Wylde Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M9. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition to your lightweight... ... 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 M4E1 Threaded .300 Blackout Complete Upper Receiver 10in 1-7 Twist 5/8x24 Thread ATLAS R-ONE Handguard Black Anodized APAR700702M4

Aero Precision M4E1 Threaded .300 Blackout Complete Upper Receiver 10in 1-7 Twist 5/8x24 Thread ATLAS R-ONE Handguard Black Anodized APAR700702M4. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... more

Aero Precision M5 Complete Upper Receiver 20in .308 SS Rifle Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Black APAR538705M34

Aero Precision M5 Complete Upper Receiver 20in .308 SS Rifle Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Black APAR538705M34. 308 SS Complete Upper Receivers w/ ATLAS R-ONE Handguard. These AR15 Upper Receivers by Aero Precision are crafted from... ... more

Aero Precision M5 Complete Upper Receiver 20in .308 SS Rifle Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Black APAR538105M34

Aero Precision M5 Complete Upper Receiver 20in .308 SS Rifle Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Black APAR538105M34. These AR15 Handguards & Forends from Aero Precision simplify the build process by including everything you need to... ... more

Aero Precision Complete Upper Receiver M4E1-T 10in .300 Blackout Barrel 9in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700302M4

Aero Precision Complete Upper Receiver M4E1-T 10in .300 Blackout Barrel 9in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700302M4. The R-ONE handguards are designed with size and weight in mind while still providing plenty of real-estate to... ... more

Aero Precision M5 Complete Upper Receiver 16in .308 Mid Barrel w/ATLAS R-ONE 12in M-LOK Handguard Anodized Black APAR538704M22

Aero Precision M5 Complete Upper Receiver 16in .308 Mid Barrel w/ATLAS R-ONE 12in M-LOK Handguard Anodized Black APAR538704M22. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim profile while still... ... more

Aero Precision M5 Complete Upper Receiver 16in .308 Mid Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Black APAR538705M22

Aero Precision M5 Complete Upper Receiver 16in .308 Mid Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Black APAR538705M22. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim profile while still... ... 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 M5 Complete Upper Receiver 16in .308 Mid SS Barrel w/ATLAS R-ONE 12in M-LOK Handguard Anodized Black APAR538704M23

Aero Precision M5 Complete Upper Receiver 16in .308 Mid SS Barrel w/ATLAS R-ONE 12in M-LOK Handguard Anodized Black APAR538704M23. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim profile while... ... more

Aero Precision Complete Upper Receiver M4E1 .300 Blackout Barrel EM-15 HG No BCG/Charging Handle Gen 2 Anodized Black 16in APAR600251M14

Aero Precision Complete Upper Receiver M4E1 .300 Blackout Barrel EM-15 HG No BCG/Charging Handle Gen 2 Anodized Black 16in APAR600251M14. 300 BLK Complete Uppers are equipped with CMV medium profile barrels. Along with excellent fit and finish these... ... more

Aero Precision Complete Upper Receiver M4E1 .300 Blackout Barrel EQ-15 HG No BCG/Charging Handle Gen 2 Anodized Black 16in APAR600251Q14

Aero Precision Complete Upper Receiver M4E1 .300 Blackout Barrel EQ-15 HG No BCG/Charging Handle Gen 2 Anodized Black 16in APAR600251Q14. 300 BLK Complete Uppers are equipped with CMV medium profile barrels. Along with excellent fit and finish 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

Aero Precision M5E1 Complete Upper Reciever .308 20in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Anodized Black APAR308554M27

Aero Precision M5E1 Complete Upper Reciever .308 20in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Anodized Black APAR308554M27. 308 Barrel Complete Upper Receiver. While there's several options to choose from all of these AR15 Upper... ... more

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 18in 1-8 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized APAR700705M42

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 18in 1-8 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized APAR700705M42. 223 Wylde Complete Upper Receiver is a one-piece free float design with built-in anti-rotation tabs. These... ... more

Aero Precision M5 Complete Upper Receiver 18in .308 Rifle Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538115M25

Aero Precision M5 Complete Upper Receiver 18in .308 Rifle Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538115M25. 308 CMV Complete Upper Receiver w/ ATLAS S-ONE Handguard. Forged from 7075 T6 aluminum these Aero Precision AR15... ... more

Aero Precision M4E1 Complete Upper Receiver AR-15 10.5 in Rifle Length Barrel 9 in Quad Rail Handguard No BCH/CH Anodized Black APAR640221Q2

Aero Precision M4E1 Complete Upper Receiver AR-15 10.5 in Rifle Length Barrel 9 in Quad Rail Handguard No BCH/CH Anodized Black APAR640221Q2. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and... ... 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 Enhanced No Forward Assist Complete Upper Receiver 10.5in 5.56 Carbine EM-9.3 Anodized Black APAR612275M2

Aero Precision M4E1 Enhanced No Forward Assist Complete Upper Receiver 10.5in 5.56 Carbine EM-9.3 Anodized Black APAR612275M2. The M4E1 Enhanced Upper Receiver is a one-piece design combining the handguard mounting platform with the upper receiver... ... more

Aero Precision EPC-9 Enhanced Complete Upper Receiver 16in 9mm EM-15in Handguard Anodized Black APAR620218M87

Aero Precision EPC-9 Enhanced Complete Upper Receiver 16in 9mm EM-15in Handguard Anodized Black APAR620218M87. Enhanced M-LOK Handguards provide a lightweight free float design for your custom build. The M-LOK system allows advanced modularity past the... ... more

Aero Precision M4E1 Threaded No Forward Assist Complete Upper Receiver 10.5in 5.56 Carbine SM9.2 Anodized Black APAR712102M2

Aero Precision M4E1 Threaded No Forward Assist Complete Upper Receiver 10.5in 5.56 Carbine SM9.2 Anodized Black APAR712102M2. The included ATLAS R-ONE Handguard is designed with size and weight in mind while still providing plenty of real-estate to... ... more

Aero Precision Complete Upper Receiver M4E1-T .300 16in Blackout Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M14

Aero Precision Complete Upper Receiver M4E1-T .300 16in Blackout Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M14. 300 Blackout w/ ATLAS S-ONE Handguard Complete Upper Receiver. Aero Precision built these AR15 Upper Receivers with... ... more

Aero Precision M4E1 Threaded No Forward Assist Complete Upper Receiver 10.5in 5.56 Carbine RM9.2 Anodized Black APAR712702M2

Aero Precision M4E1 Threaded No Forward Assist Complete Upper Receiver 10.5in 5.56 Carbine RM9.2 Anodized Black APAR712702M2. The included ATLAS R-ONE Handguard is designed with size and weight in mind while still providing plenty of real-estate to... ... more

Aero Precision EPC-9 Threaded Complete Upper Receiver 16in 9mm w/ ATLAS S-ONE 15in Handguard Anodized Black APAR620105M87

Aero Precision EPC-9 Threaded Complete Upper Receiver 16in 9mm w/ ATLAS S-ONE 15in Handguard Anodized Black APAR620105M87. The R-ONE handguards are designed with size and weight in mind while still providing plenty of real-estate to accommodate any... ... more

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 105in M4 Barrel 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized APAR700702M2

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 105in M4 Barrel 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized APAR700702M2. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... more

TacFire Complete Upper Receiver AR-15 Lower Parts Kit 5.56mm 7.5in Barrel Pistol Length 7in M-LOK Handguard Anodized Black PK556-LPK

TacFire Complete Upper Receiver AR-15 Lower Parts Kit 5.56mm 7.5in Barrel Pistol Length 7in M-LOK Handguard Anodized Black PK556-LPK. Everything you need to build out your 5.56 pistol just add a lower receiver. Includes : 7.5" Barrel Low profile gas... ... more

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

Aero Precision M4E1 Complete Upper Receiver AR-15 5.56x45mm NATO 16 in Mid Length Barrel 12 in Quad Rail Handguard No BCG/CH Anodized Black. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual... ... more

Aero Precision M4E1 Enhanced No Forward Assist Complete Upper Receiver 16in 5.56 Mid EM15 Anodized Black APAR612218M7

Aero Precision M4E1 Enhanced No Forward Assist Complete Upper Receiver 16in 5.56 Mid EM15 Anodized Black APAR612218M7. The M4E1 Enhanced Upper Receiver is a one-piece design combining the handguard mounting platform with the upper receiver itself.... ... more

Aero Precision EPC-9 Threaded Complete Upper Receiver 16in 9mm w/ ATLAS R-ONE 15in Handguard Anodized Black APAR620705M87

Aero Precision EPC-9 Threaded Complete Upper Receiver 16in 9mm w/ ATLAS R-ONE 15in Handguard Anodized Black APAR620705M87. The R-ONE handguards are designed with size and weight in mind while still providing plenty of real-estate to accommodate any... ... more