SKU: QJAPAR640101M1
UPC: 840014603947
MPN: APAR640101M1
The Aero Precision M4E1 Barreled Upper with 8" .300 Blackout Barrel and Quantum 7" M-LOK Handguard is a complete, pre-assembled upper receiver designed for operators building short-range carbine systems. This configuration is particularly suited for close-quarters and suppressed applications, providing versatility for various shooting scenarios.
Featuring an 8-inch .300 Blackout CMV barrel paired with a low-profile gas block and pistol-length gas tube, this barreled upper is designed to deliver reliable cycling and performance. The M4E1 Enhanced Upper Receiver enhances ergonomics and aesthetics, while the Quantum 7" M-LOK handguard allows for easy attachment of accessories without adding unnecessary weight.
This upper is ideal for shooters looking to build compact defense rifles or short-barreled rifles (SBRs) in space-restricted environments. Note that this upper does not include a bolt carrier group or charging handle, and users should verify any modifications needed for compliance with local regulations.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
Aero Precision
Aero Precision
Aero Precision