M4E1 Complete Upper, 18" .223 Wylde PROOF RESEARCH® Carbon Fiber Barrel w/ 15" MOD 4 Handguard

Aero Precision

Resumen

The Aero Precision M4E1 Complete Upper features an 18" .223 Wylde barrel, designed to maximize versatility by allowing both .223 Remington and 5.56 NATO cartridges to be fired safely and effectively. This complete assembly includes the M4E1 receiver, known for its enhanced strength and precision fit, making it an ideal choice for builders looking for reliability and performance. This upper is commonly found in builds aimed at precision shooting or general-purpose use, where a longer barrel can improve accuracy and velocity.