Buy Upper Receiver -

: A "middle ground" consisting of the receiver shell with the forward assist and ejection port cover already installed. You must still install the barrel and handguard.

: Just the raw aluminum housing. This is for builders who want to choose every individual component, including custom dust covers or specialized lightweight parts. Core Components to Evaluate buy upper receiver

To select the right upper receiver, you must first decide whether to buy a unit or build one from stripped parts, as this determines the tools and technical skill required. A complete upper allows you to immediately snap it onto a lower receiver with two pins, while a build offers deep customization of the barrel, handguard, and gas system. Key Purchase Options : A "middle ground" consisting of the receiver