AR-15 Suggestions for a beginner

[btyreprich]

Was thinking of purchasing a pistol to get started shooting, but am now thinking that perhaps a rifle is a better option. A rifle is easier to aim at a target versus a pistol.
My son has 2 AR-15 rifles he built from a kit and enjoys these over the pistols.
Any suggestions as to a good AR-15 for a beginner? Would love to get feedback from others on their rifles.

Did a Google search before starting this thread and the numerous manufacturers and options gave me a headache!

Thanks in advance.