The M4E1 Threaded Stripped Upper Receiver has a brand - new angular machined design, setting it apart from regular mil - spec upper receivers. It shares the same enhanced body profile as our M4E1 Enhanced Upper Receiver, and it's threaded to fit a standard AR15 barrel nut. Crafted from 7075 - T6 Aluminum, it's precision - machined to work with all mil - spec AR15 parts. This upper receiver is a perfect match for our new M4E1 Lower Receiver, offering you a billet - looking receiver set at a much lower cost. Features include a new enhanced forging for a 'billet look', a picatinny profile that blends well with our Enhanced and ATLAS Series Handguards, M4 Feedramps, .250 takedown pin holes, laser - engraved T - marks, and a threaded forward assist roll pin. It doesn't come with a port door or forward assist. Specifications: Made in America, AR15 platform, machined from 7075 - T6 forged aluminum, anodized black finish, compatible with standard AR15/M16 components, weighs 6.9 oz, and requires a barrel nut torque of 50 ft - lbs.
Using this Aero Precision M4E1 Threaded Stripped Upper Receiver is easy. First, pair it with the matching M4E1 Lower Receiver for a great - looking set. Make sure to connect it with standard AR15 parts that it's compatible with. When installing the barrel nut, remember to apply a torque of 50 ft - lbs. As for the forward assist roll pin, it's already threaded for you. Be aware that it doesn't come with a port door or forward assist, so you'll need to get those separately if you want them. For maintenance, keep it clean by using a suitable gun cleaner. Store it in a dry place to prevent rust. Regularly check for any signs of wear and tear on the parts. If you notice any issues, consult a professional gunsmith.
