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

AR-STONER AR-15 Complete Upper Receiver Assembly 223 Remington (Wylde) 18" 416R Stainless Fluted Heavy Barrel 15" M-LOK Ultralight Handguard

The AR-STONER AR-15 Upper Receiver provides style, function, affordability to your AR-15 rifle. The A3 upper attaches to virtually any standard AR-15 lower receiver. Machined with M4 feed ramps, this upper features an ultralight handguard and heavy... ... more

Aero Precision M4E1-T Complete Upper, 18" .223 Wylde SS QPQ Rifle Length Barrel, RM16.6 Handguard without Bolt Carrier Group or Charging Handle

This Aero Precision M4E1-T Complete Upper includes the ATLAS R-ONE Handguard. The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. The... ... more

Aero Precision M4E1-T Complete Upper, 18" .223 Wylde SS QPQ Rifle Length Barrel, RM16.6 Handguard without Bolt Carrier Group or Charging Handle

This Aero Precision M4E1-T Complete Upper includes the ATLAS R-ONE Handguard. The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. The... ... more

Primary Weapons Mk114 Mod 2-M 223 Wylde Complete Upper Receiver - Mk114 Mod 2-M 223 Wylde 14.5" Bbl

MK114 MOD 2-M 223 Wylde Complete Upper SPECIFICATIONS: Operating System: PWS Long Stroke Piston System with 3-Setting Adjustable Gas System Caliber: .223 Wylde Barrel Length: 14.5" 41V50 Steel Gas System Length: Mid-Length Barrel Twist Rate: 1:8 Muzzle... ... more

Primary Weapons Mk116 Mod 2-M 223 Wylde Complete Upper Receiver - Mk116 Mod 2-M 223 Wylde 16.1" Bbl

MK116 MOD 2-M 223 Wylde Complete Upper SPECIFICATIONS: Operating System: PWS Long Stroke Piston System with 3-Setting Adjustable Gas System Caliber: .223 Wylde Barrel Length: 16.1" 41V50 Steel Gas System Length: Mid-Length Barrel Twist Rate: 1:8 Muzzle... ... more

Primary Weapons Mk114 Mod 2-M 223 Wylde Complete Upper Receiver - Mk114 Mod 2-M 223 Wylde 14.5" Bbl

MK114 MOD 2-M 223 Wylde Complete Upper SPECIFICATIONS: Operating System: PWS Long Stroke Piston System with 3-Setting Adjustable Gas System Caliber: .223 Wylde Barrel Length: 14.5" 41V50 Steel Gas System Length: Mid-Length Barrel Twist Rate: 1:8 Muzzle... ... more

Aero Precision Complete Upper Receiver M4E1-E 16in .223 Wylde Fluted Barrel EM-15 Handguard Gen 2 Anodized Black APAR640232M50

Aero Precision Complete Upper Receiver M4E1-E 16in .223 Wylde Fluted Barrel EM-15 Handguard Gen 2 Anodized Black APAR640232M50. Specifications for Aero Precision M4E1 Enhanced 16in .223 Wylde Fluted Complete Upper Receiver with Flash Hider:... ... 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 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 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 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 M4E1 Complete Upper Receiver 18in .223 Wylde Rifle Barrel EQ-15 HG Gen 2 Cerakote FDE APAR640252Q42

Aero Precision M4E1 Complete Upper Receiver 18in .223 Wylde Rifle Barrel EQ-15 HG Gen 2 Cerakote FDE APAR640252Q42. 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 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 Receiver M5E1 .308 Winchester 18in Fluted SS Barrel Rifle Length w/ Gen II EM-15 Handguard FDE APAR308556M69

Aero Precision Complete Upper Receiver M5E1 .308 Winchester 18in Fluted SS Barrel Rifle Length w/ Gen II EM-15 Handguard FDE APAR308556M69. 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 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 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 .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 M4E1-E .223 Wylde 18in Mid-Length EQ15 Anodized Black APAR600251Q73

Aero Precision Complete Upper M4E1-E .223 Wylde 18in Mid-Length EQ15 Anodized Black APAR600251Q73. 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 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 M5E1 .308 Winchester 18in Fluted SS Barrel Rifle Length w/ Gen II EM-15 Handguard Anodized Black APAR308554M69

Aero Precision Complete Upper Receiver M5E1 .308 Winchester 18in Fluted SS Barrel Rifle Length w/ Gen II EM-15 Handguard Anodized Black APAR308554M69. 308 rifle upper assemblies you can buy. The Aero Precision AR 308 Upper includes an M4 length gas... ... more

Aero Precision Complete Upper Receiver M4E1 .223 Wylde Mid Barrel EQ-12 HG No BCG/Charging Handle Gen 2 FDE Cerakote 16in APAR600232Q9

Aero Precision Complete Upper Receiver M4E1 .223 Wylde Mid Barrel EQ-12 HG No BCG/Charging Handle Gen 2 FDE Cerakote 16in APAR600232Q9. These AR15 Upper Receivers from the trendsetters at Aero Precision comes fully assembled so that you can lock in and... ... more

Aero Precision Complete Upper Receiver M4E1 .223 Wylde Mid Barrel EQ-15 HG No BCG/Charging Handle Gen 2 FDE Cerakote 16in APAR600252Q9

Aero Precision Complete Upper Receiver M4E1 .223 Wylde Mid Barrel EQ-15 HG No BCG/Charging Handle Gen 2 FDE Cerakote 16in APAR600252Q9. These AR15 Upper Receivers from the trendsetters at Aero Precision comes fully assembled so that you can lock in and... ... 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 M4E1 Complete Upper .223 Wylde 18in Rifle Length 1/8 EM-15 Gen2 A2 Anodize Black APAR600251M73

Aero Precision M4E1 Complete Upper .223 Wylde 18in Rifle Length 1/8 EM-15 Gen2 A2 Anodize Black APAR600251M73. 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 M4E1 Complete Upper .223 Wylde 16in Mid Length 1/8 EM-15 Gen2 A2 Anodize Black APAR600251M72

Aero Precision M4E1 Complete Upper .223 Wylde 16in Mid Length 1/8 EM-15 Gen2 A2 Anodize Black APAR600251M72. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual appeal and a new profile for... ... more

Aero Precision Complete Upper Receiver M4E1 .223 Wylde Mid Barrel EM-12 HG No BCG/Charging Handle Gen 2 Anodized Black 16in APAR600231M9

Aero Precision Complete Upper Receiver M4E1 .223 Wylde Mid Barrel EM-12 HG No BCG/Charging Handle Gen 2 Anodized Black 16in APAR600231M9. These AR15 Upper Receivers from the trendsetters at Aero Precision comes fully assembled so that you can lock in... ... more

Aero Precision Complete Upper Receiver M4E1 .223 Wylde Mid Barrel EQ-12 HG No BCG/Charging Handle Gen 2 Anodized Black 16in APAR600231Q9

Aero Precision Complete Upper Receiver M4E1 .223 Wylde Mid Barrel EQ-12 HG No BCG/Charging Handle Gen 2 Anodized Black 16in APAR600231Q9. These AR15 Upper Receivers from the trendsetters at Aero Precision comes fully assembled so that you can lock in... ... more

Aero Precision Complete Upper Receiver M4E1 .223 Wylde Mid Barrel EQ-15 HG No BCG/Charging Handle Gen 2 Anodized Black 16in APAR600251Q9

Aero Precision Complete Upper Receiver M4E1 .223 Wylde Mid Barrel EQ-15 HG No BCG/Charging Handle Gen 2 Anodized Black 16in APAR600251Q9. These AR15 Upper Receivers from the trendsetters at Aero Precision comes fully assembled so that you can lock in... ... more

Aero Precision Complete Upper M4E1-E .223 Wylde 16in Mid-Length EQ15 Cerakote FDE APAR600252Q72

Aero Precision Complete Upper M4E1-E .223 Wylde 16in Mid-Length EQ15 Cerakote FDE APAR600252Q72. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual appeal and a new profile for the picatinny... ... 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 Complete Upper Receiver M4E1-T .223 16in Wylde Fluted Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M50

Aero Precision Complete Upper Receiver M4E1-T .223 16in Wylde Fluted Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M50. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition to your... ... more

Aero Precision Complete Upper Receiver M4E1-T .223 16in Wylde Fluted Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700315M50

Aero Precision Complete Upper Receiver M4E1-T .223 16in Wylde Fluted Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700315M50. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition... ... more

FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver 22.25 inch 12.5 inch Barrel Mid Length 1-8 Twist 1/2x28 Thread Free-Float Nitride Black

FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver 22.25 inch 12.5 inch Barrel Mid Length 1-8 Twist 1/2x28 Thread Free-Float Nitride Black. Specifications for FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver: Manufacturer: FM... ... more

FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver 24.75 inch 16 inch Barrel Intermediate 1-8 Twist 1/2x28 Thread Free-Float Nitride Black

FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver 24.75 inch 16 inch Barrel Intermediate 1-8 Twist 1/2x28 Thread Free-Float Nitride Black. Specifications for FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver: Manufacturer: FM... ... more

Aero Precision M5E1 Complete Upper 18in 6.5 CM SS Mid-Length Barrel EM-15 HG Gen 2 Anodized Black APAR308554M44

Aero Precision M5E1 Complete Upper 18in 6.5 CM SS Mid-Length Barrel EM-15 HG Gen 2 Anodized Black APAR308554M44. Gen 2 Enhanced Handguard of choice. 18" 6.5 Creedmoor Stainless Steel Barrel. Low Profile Gas Block and Mid Length Gas Tube. Product comes... ... more

Aero Precision M5E1 Complete Upper 18in 6.5 CM SS Mid-Length Barrel EM-15 HG Gen 2 FDE APAR308556M44

Aero Precision M5E1 Complete Upper 18in 6.5 CM SS Mid-Length Barrel EM-15 HG Gen 2 FDE APAR308556M44. Gen 2 Enhanced Handguard of choice. 18" 6.5 Creedmoor Stainless Steel Barrel. Low Profile Gas Block and Mid Length Gas Tube. Product comes assembled.... ... more