Aero Precision
M4E1 complete upper with threaded receiver for easy barrel nut installation. Value-oriented drop-in option.
Palmetto State Armory
PSA PA-15 16" Carbine
Smith & Wesson
Smith & Wesson M&P15 Sport II
Aero Precision M4E1 Complete Rifle 16"
Bravo Company Manufacturing
BCM RECCE-16 MCMR
BCM RECCE-11 MCMR
Sig Sauer
Sig MCX Virtus Patrol 16"
Aero Precision 300 Blackout Upper
$599
Aero Precision Complete Upper
$449
Aero Precision M4E1 14.7" Complete Upper
$499
PSA Premium/CHF Complete Upper
$349
Add the Aero Precision M4E1 Threaded Complete Upper to your build and see how it enhances your platform.