Gorilla Machining AR-15 M4A4 Stripped Upper Receiver RAW

Gorilla Machining Mil Spec AR-15 stripped Upper Receiver is machined from a 7075 T6 Aluminum forging. Featuring M4 feed ramps, this upper receiver is machined to Military Specifications & Standards and can be used with multiple calibers on the AR-15 platform. Match this Upper with one of our Lower Receivers for a solid fit.

SPECIFICATIONS:
Precision machined to correct Mil-Specs from 7075 T6 Forgings

GORILLA MACHINING Upper Receiver Fully MIL-STD M4A4

Mil-Std 1913 Rail for mounting optics and accessories

Machined for use with barrels that use an M4 barrel extension

AR15 Stripped Upper Receiver
The AR-15 stripped upper receiver holds the barrel, bolt carrier group, charging handle, and other key components. Stripped upper receivers lack these interior components. It lets gun enthusiasts build a rifle to their specifications.A stripped upper receiver offers customization options.
Starting from scratch lets you choose every firearm part. The stripped upper receiver lets you customize your firearm's weight, ergonomics, and performance.
AR-15 stripped upper receivers work with many barrels, handguards, and other accessories. Mil-spec ensures compatibility with most AR-15 components. This compatibility facilitates AR-15 rifle assembly and upgrades.
A stripped upper receiver weighs less because it lacks internal components. For competition shooting or long-term carry, a lighter rifle can be helpful.
Building a rifle from a stripped upper receiver can save money. You can locate deals and spend more on the pieces you want by buying them separately. It's also cheaper to create over time.