What are some regulations every soldier should know?

AR 600-8-22 (Awards)
AR 670-1 and it's sister DA PAM 670-1 (Uniforms and how to wear them)
AR 600-9 (The Body Composition Program)
APD 6-22 (Army Leadership)
AR 600-8-19 (Enlisted Promotions and Reductions)
AR 600-8-2 (Suspension of Favorable Actions)

This is just to name a few, but these are the big ones

Without repeating some that have been stated, below are some other big one to be familiar with.

AR 600-20
AR 350-1
AR 623-3
AR 600-25
AR 735-5
*ATP 3-21.8

It’s important to remember that you’ll never memorize everything. It’s more important to be able to know how and where to find the relevant regs, and how to read, interpret and reference them.

Best of luck

Get a copy of your units board study guide and you have your answer. Thank you for your service.