The M4E1 PRO Lower Receiver seamlessly integrates ambidextrous controls into the M4E1 Lower that allows for the shooter to easily operate the bolt catch, magazine release, and safety without...
NOTE: This part features a colored anodized finish. These finishes are held to different aesthetic standards than parts finished in black anodizing or Cerakote. The lighter coloring allows certain...
This complete upper receiver incudes an HBAR profile barrel that is laser marked "HBAR".
Includes:
M4E1 Assembled Upper Receiver
15" ATLAS R-ONE M-LOK Handguard
16" 5.56...
Shop M4E1 Threaded Complete Upper, 18" 5.56 Rifle Length Barrel,R-ONE 15" M-LOK HG - Anodized and more at AeroPrecisionUSA.com!
The Aero Precision M4E1 Complete Lower Receiver with Magpul CTR® Carbine Stock is the perfect upgrade for your AR build. This complete lower features an M4E1 Lower and is upgraded to include an...
NOTE: This part features a colored anodized finish. These finishes are held to different aesthetic standards than parts finished in black anodizing or Cerakote. The lighter coloring allows certain...
Contract Overrun: This exclusive bundle is available for a limited time only! Score major savings on your next build with the powerhouse combo of a Stag 10 Assembled Upper and Lower Receiver,...
The S-ONE is a true standout from the Aero Precision Handguard lineup! Machined from 6061-T6 Aluminum, the S-ONE line of handguards are designed with size and weight in mind, providing the perfect...
The M4E1 Complete Lower Receiver is the perfect base for your custom AR15 build. This complete lower features our custom designed M4E1 Lower Receiver and is upgraded to include a MOE® Grip and UBR...
The Aero Precision M4E1 Complete Lower Receiver with Magpul SL Carbine Stock is the perfect upgrade for your AR build. This complete lower features an M4E1 Lower and is upgraded to include an...
Shop M4E1 Threaded Complete Upper, 16" 5.56 Mid-Length Barrel, 15" R-ONE M-LOK HG - ODG Anodized and more at AeroPrecisionUSA.com!
Shop M4E1 Threaded Complete Upper, 16" 5.56 Mid-Length Barrel, 15" R-ONE M-LOK HG - Kodiak Brown Anodized and more at AeroPrecisionUSA.com!
NOTE: This part features a colored anodized finish. These finishes are held to different aesthetic standards than parts finished in black anodizing or Cerakote. The lighter coloring allows certain...
Contract Overrun: This exclusive bundle is available for a limited time only! Score major savings on your next build with the powerhouse combo of a Stag 10 Assembled Upper and Lower Receiver,...
The M4E1 Complete Lower Receiver is the perfect base for your custom AR15 build. This complete lower features our new M4E1 Lower Receiver with an A2 Grip and M4 Stock. Save when you buy it...
Contract Overrun: This exclusive bundle is available for a limited time only! Score major savings on your next build with the powerhouse combo of a Stag 10 Assembled Upper and Lower Receiver,...
Contract Overrun: This exclusive bundle is available for a limited time only! Score major savings on your next build with the powerhouse combo of a Stag 10 Assembled Upper and Lower Receiver,...
This AR15 Complete Upper is the same upper receiver used in our AERO M16A4 Special Edition Complete Rifle and features a 20" 5.56 Barrel w/ Pinned FSB, A2 Handguard and A2 Detachable Carry Handle...
The Aero Precision M4E1 Complete Lower Receiver with Magpul SL-S Carbine Stock is the perfect upgrade for your AR build. This complete lower features an M4E1 Gen 2 Lower and is upgraded to include...
Shop AR15 Complete Lower Receiver w/ MOE Grip & SL Carbine Stock and more on AeroPrecisionUSA.com!