As an Amazon Associate I earn from qualifying purchases.
Our Associate portal can be found here
Owning an AR-15 rifle comes with the need to understand its operating mechanism. One vital knowledge is on the upper receiver mechanism. As you already know, the upper receiver is the lock-up between the barrel and bolt. It determines if your rifle is dependable and accurate or fires amidst conceivable frustrations.
When building your AR-15, the upper receiver serves different purposes that are all important. These include general use, precision shooting, close-quarters combat, or home defense.
This article will help you pick the best complete uppers in the market today.