Engineering geniuses! - Aero Precision M4E1 Upper Receiver and MLOK Handguard Combo

In my opinion, this is the best handguard/upper combo that exists. Besides the fact that this combo makes any AR15 build simple regardless of experience building AR’s. The modern look and design of the M4E1 Enhanced upper and handguard is second to none. So far, I’ve built three in different lengths with this combo set and plan to start another soon. Fit and finish, and design on the product is just awesome! Can’t recommend enough!