Aero Precision M4E1 Complete Upper .223 Wylde 18in Rifle Length 1/8 EM-15 Gen2 A2 Anodize Black APAR600251M73

Aero Precision M4e1 Assembled Upper Receiver .223 Wylde Black - M4e1 223 Wylde Assembled Upper Rcvr

Aero Precision's M4E1 .223 Wylde Upper Receiver provides rifle-like performance - and versatility - in a carbine-sized package. It features a .223 Wylde chamber that is optimized to deliver excellent performance from both military 5.56x45mm NATO and... ... more

Aero Precision M4e1 Assembled Upper Receiver .223 Wylde Black - M4e1 223 Wylde Assembled Upper Rcvr

Aero Precision's M4E1 .223 Wylde Upper Receiver provides rifle-like performance - and versatility - in a carbine-sized package. It features a .223 Wylde chamber that is optimized to deliver excellent performance from both military 5.56x45mm NATO and... ... more

Brownells Bundles M4e1-T 16" Upper Receiver 223 Wylde W/ Optics - Aero 16" Upper Mid-Length W/ Exps2

Brownells is offering the Aero Precision M4E1 with a choice of three different optics! We are offering this upper with the Eotech EXPS2-0, EXPS3-0, or the Sig Sauer Tango MSR 1-6x24mm Scope! This assembled upper includes Aero Precision's new ATLAS... ... more

Aero Precision M4E1 Complete Upper .223 Wylde 18in Rifle Length 1/8 EM-15 Gen2 A2 FDE APAR600252M73

Aero Precision M4E1 Complete Upper .223 Wylde 18in Rifle Length 1/8 EM-15 Gen2 A2 FDE APAR600252M73. 223 Wylde Complete Upper Receiver is a one-piece free float design with built-in anti-rotation tabs. These upper receivers AR15 Upper Receivers take... ... more

Aero Precision Complete Upper Receiver M4E1-T .223 Wylde 18in Government Rifle Length 1 in 8 1/2 x 28 15in A2 Flash Hider Cerakote FDE APAR700715M42

Aero Precision Complete Upper Receiver M4E1-T .223 Wylde 18in Government Rifle Length 1 in 8 1/2 x 28 15in A2 Flash Hider Cerakote FDE APAR700715M42. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... 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 M4E1-T Complete Upper .223 Wylde 16in Mid Length 1/8 15in M-LOK AR15 ATLAS S-ONE A2 Anodize Black APAR700305M72

Aero Precision M4E1-T Complete Upper .223 Wylde 16in Mid Length 1/8 15in M-LOK AR15 ATLAS S-ONE A2 Anodize Black APAR700305M72. The R-ONE handguards are designed with size and weight in mind while still providing plenty of real-estate to accommodate... ... more

Aero Precision Complete Upper Receiver M4E1-T .223 Wylde 18in SPR - Fluted Rifle Length 1 in 8 1/2 x 28 15in A2 Flash Hider Cerakote FDE APAR700715M51

Aero Precision Complete Upper Receiver M4E1-T .223 Wylde 18in SPR - Fluted Rifle Length 1 in 8 1/2 x 28 15in A2 Flash Hider Cerakote FDE APAR700715M51. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... 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 FDE Cerakote

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 18in 1-8 Twist A2 Flash Hider 15 in M-LOK ATLAS R-ONE Handguard FDE Cerakote. 223 Wylde Complete Upper Receiver is a one-piece free float design with built-in anti-rotation tabs. These... ... 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 M4E1 Threaded .223 Wylde Complete Upper Receiver 18in Fluted Barrel 1-8 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 18in Fluted Barrel 1-8 Twist A2 Flash Hider 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 Complete Upper Receiver 18in .223 Wylde Rifle Barrel EM-15 HG Gen 2 Cerakote FDE APAR640252M42

Aero Precision M4E1 Complete Upper Receiver 18in .223 Wylde Rifle Barrel EM-15 HG Gen 2 Cerakote FDE APAR640252M42. 223 Wylde Complete Upper Receiver is a one-piece free float design with built-in anti-rotation tabs. These upper receivers AR15 Upper... ... more

Aero Precision M4E1 Complete Upper Receiver 18in .223 Wylde Rifle Barrel EM-15 HG Gen 2 Anodized Black APAR640251M42

Aero Precision M4E1 Complete Upper Receiver 18in .223 Wylde Rifle Barrel EM-15 HG Gen 2 Anodized Black APAR640251M42. 223 Wylde Complete Upper Receiver is a one-piece free float design with built-in anti-rotation tabs. These upper receivers AR15 Upper... ... more

Aero Precision M4E1-E EM16.6 Complete Upper .223 Wylde 18inch SPR Rifle 1-8 Twist 1/2 x 28 Thread Anodized Black APAR600220M76

Aero Precision M4E1-E EM16.6 Complete Upper .223 Wylde 18inch SPR Rifle 1-8 Twist 1/2 x 28 Thread Anodized Black APAR600220M76. 6 .223 Wylde Rifle Complete Upper. Formulated working with several of the most extremely durable and long lasting components... ... more

Aero Precision Complete Upper Receiver M4E1-T 5.56x45mm NATO 18in Government Rifle Length 1 in 7 1/2 x 28 15in A2 Flash Hider Cerakote FDE

Aero Precision Complete Upper Receiver M4E1-T 5.56x45mm NATO 18in Government Rifle Length 1 in 7 1/2 x 28 15in A2 Flash Hider Cerakote FDE. The R-ONE handguards are designed with size and weight in mind while still providing plenty of real-estate to... ... more

Aero Precision M4E1 Complete Upper .223 Wylde 16in Mid Length 1/8 EM-15 Gen2 A2 FDE APAR600252M72

Aero Precision M4E1 Complete Upper .223 Wylde 16in Mid Length 1/8 EM-15 Gen2 A2 FDE APAR600252M72. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual appeal and a new profile for the... ... more

Aero Precision Complete Upper Receiver M4E1-T .223 18in Wylde Fluted Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700315M51

Aero Precision Complete Upper Receiver M4E1-T .223 18in Wylde Fluted Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700315M51. 223 Wylde fluted barrel complete with an ATLAS handguard The upper receiver is enhanced with new... ... more

Aero Precision M4E1 Threaded .223 Wylde w/ ATLAS R-ONE Handguard Complete Upper Receiver 18 inch Barrel 1-8 Twist A2 Flash Hider Magpul Cerakote Flat

Aero Precision M4E1 Threaded .223 Wylde w/ ATLAS R-ONE Handguard Complete Upper Receiver 18 inch Barrel 1-8 Twist A2 Flash Hider Magpul Cerakote Flat. 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 18in .223 Wylde Fluted Barrel EM-15 Handguard Gen 2 Cerakote Flat Dark Earth APAR640252M51

Aero Precision Complete Upper Receiver M4E1-E 18in .223 Wylde Fluted Barrel EM-15 Handguard Gen 2 Cerakote Flat Dark Earth APAR640252M51. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual... ... more

Aero Precision Complete Upper Receiver M4E1-E 18in .223 Wylde Fluted Barrel EM-15 Handguard Gen 2 Anodized Black APAR640232M51

Aero Precision Complete Upper Receiver M4E1-E 18in .223 Wylde Fluted Barrel EM-15 Handguard Gen 2 Anodized Black APAR640232M51. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual appeal and a... ... more

Aero Precision Complete Upper Receiver M4E1-T .223 Wylde 16in SPR - Fluted Mid Length 1 in 8 1/2 x 28 15in A2 Flash Hider Cerakote FDE APAR700715M50

Aero Precision Complete Upper Receiver M4E1-T .223 Wylde 16in SPR - Fluted Mid Length 1 in 8 1/2 x 28 15in A2 Flash Hider Cerakote FDE APAR700715M50. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... more

Aero Precision M4E1 Complete Upper Receiver 18in .223 Wylde Rifle Barrel EQ-15 HG Gen 2 Anodized Black APAR640251Q42

Aero Precision M4E1 Complete Upper Receiver 18in .223 Wylde Rifle Barrel EQ-15 HG Gen 2 Anodized Black APAR640251Q42. 223 Wylde Complete Upper Receiver is a one-piece free float design with built-in anti-rotation tabs. These upper receivers AR15 Upper... ... more

Aero Precision Complete Upper M4E1-T 6.5 Grendel 18in 6.5 Grendel Rifle Length 1/8 Twist 5/8x24 Thread Stainless Steel w/ ATLAS R-ONE Handguard Black

Aero Precision Complete Upper M4E1-T 6.5 Grendel 18in 6.5 Grendel Rifle Length 1/8 Twist 5/8x24 Thread Stainless Steel w/ ATLAS R-ONE Handguard Black. 5 Grendel Complete Upper Receiver. Designed to be a low recoil/high accuracy cartridge the 6.5... ... more

Radical Firearms Complete Upper Assembly 18in 223 Wylde 416R HBAR Contour 1/8 Twist 15in MHR M-LOK A2 Flash Hider Black CFU18-223W-SS-15MHR

Radical Firearms Complete Upper Assembly 18in 223 Wylde 416R HBAR Contour 1/8 Twist 15in MHR M-LOK A2 Flash Hider Black CFU18-223W-SS-15MHR. Radical Firearms choose high quality barrels for their upper assemblies pairing that with a robust free float... ... more

Aero Precision Complete Upper M4E1-E .223 Wylde 18in Mid-Length EQ15 Cerakote FDE Cerakote APAR600252Q73

Aero Precision Complete Upper M4E1-E .223 Wylde 18in Mid-Length EQ15 Cerakote FDE Cerakote APAR600252Q73. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual appeal and a new profile for the... ... 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 OD Green

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

Aero Precision Complete Upper Receiver M4E1-T .223 16in Wylde Barrel 12in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700304M9

Aero Precision Complete Upper Receiver M4E1-T .223 16in Wylde Barrel 12in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700304M9. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition to your lightweight... ... more

Aero Precision M4E1 Complete Upper Receiver .223 Wylde Mid Barrel EM-15 HG No BCG/Charging Handle Gen 2 FDE Cerakote 16in APAR600252M9

Aero Precision M4E1 Complete Upper Receiver .223 Wylde Mid Barrel EM-15 HG No BCG/Charging Handle Gen 2 FDE Cerakote 16in APAR600252M9. 223 Wylde Mid Barrel will upgrade the look of your upper to a more modern one. These AR15 Upper Receivers developed... ... more

Aero Precision Complete Upper Receiver M4E1-E 16in .223 Wylde Fluted Barrel EM-15 Handguard Gen 2 Cerakote Flat Dark Earth APAR640252M50

Aero Precision Complete Upper Receiver M4E1-E 16in .223 Wylde Fluted Barrel EM-15 Handguard Gen 2 Cerakote Flat Dark Earth APAR640252M50. Specifications for Aero Precision M4E1 Enhanced 16in .223 Wylde Fluted Complete Upper Receiver with Flash Hider:... ... more

Aero Precision M4E1 Complete Upper Receiver .223 Wylde Mid Barrel EM-15 HG No BCG/Charging Handle Gen 2 Anodized Black 16in APAR600251M9

Aero Precision M4E1 Complete Upper Receiver .223 Wylde Mid Barrel EM-15 HG No BCG/Charging Handle Gen 2 Anodized Black 16in APAR600251M9. 223 Wylde Mid Barrel will upgrade the look of your upper to a more modern one. These AR15 Upper Receivers... ... 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

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 OD Green

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 OD Green. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... 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

Aero Precision AR15 No FA Complete Upper 16in .223 Wylde Fluted Barrel Mid-Length 15in M-LOK ATLAS S-ONE HG Anodized Black APAR610505M50

Aero Precision AR15 No FA Complete Upper 16in .223 Wylde Fluted Barrel Mid-Length 15in M-LOK ATLAS S-ONE HG Anodized Black APAR610505M50. 223 Wylde Fluted Barrel Complete Upper Receiver. These AR15 Upper Receivers developed by Aero Precision are only... ... more

Aero Precision M4E1 Gen 2 Complete Upper Receiver 18in .223 Wylde Fluted Barrel Atlas S-ONE 15in M-LOK HG Anodized W/BCG/CH Black APAR900003

Aero Precision M4E1 Gen 2 Complete Upper Receiver 18in .223 Wylde Fluted Barrel Atlas S-ONE 15in M-LOK HG Anodized W/BCG/CH Black APAR900003. 56 Barrel Complete Upper Receiver. While Aero Precision built these AR15 Upper Receivers these specific ones... ... more

Aero Precision Complete Upper Receiver M4E1-T .223 18in Wylde Fluted Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M51

Aero Precision Complete Upper Receiver M4E1-T .223 18in Wylde Fluted Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M51. 223 Wylde fluted barrel complete with an ATLAS handguard The upper receiver is enhanced with new enhanced forging... ... more

Aero Precision AR15 No FA Complete Upper 16in .223 Wylde Fluted Barrel Mid-Length 15in M-LOK ATLAS R-ONE HG Anodized Black APAR610605M50

Aero Precision AR15 No FA Complete Upper 16in .223 Wylde Fluted Barrel Mid-Length 15in M-LOK ATLAS R-ONE HG Anodized Black APAR610605M50. 223 Wylde Fluted Barrel Complete Upper Receiver. These AR15 Upper Receivers developed by Aero Precision are only... ... more