Category Archives: AR-15 Upper Receiver

Aero Precision M5 Complete Uppers: Power and Precision via the Aero M5 Upper

Aero Precision M5 Upper

Aero Precision has earned its place as one of the most trusted names in the AR world, delivering components that consistently hit the sweet spot between quality, performance, and price. While their AR-15 lineup remains a favorite for lightweight, fast-handling rifles, the M5 platform is the short-list choice when builders need a large-frame AR-10 for […]

Mastering AR-15 Upper Receiver Builds with Reaction Rods

A good vice and a reaction rod are the perfect starting points as you begin buying the proper tools to assemble your own AR-15 upper receiver, but why? Building or upgrading an AR-15 upper receiver demands precision, the right technique, and the proper tools. The AR-15 reaction rod has become the go-to tool for gunsmiths […]

10.5 vs. 16 Inch AR-15 Upper Receiver: Barrel Length Showdown

Choosing the right AR-15 upper receiver is a pivotal decision when building or upgrading your rifle, as the barrel length profoundly impacts performance, handling, and versatility. The 10.5-inch and 16-inch AR-15 upper receivers stand out as two of the most popular options, each offering distinct advantages and trade-offs tailored to different needs and scenarios. This […]

Upper Receiver Sets: Budget-Friendly Bundles for Seamless AR Builds

An upper receiver set—consisting of a matched upper and lower receiver—forms the structural heart of your AR-15 or AR-10 build. For those looking to simplify the assembly process and ensure a precise, wobble-free fit, matched receiver sets are one of the smartest places to start. At AR15Discounts.com, these sets offer the convenience of guaranteed compatibility […]