These are the best for the money unless you go into the Sordins or higher-end peltors, which retail for over $300 a pop.
Peltor soundtrap tactical is what I’ve used for a few years. You won’t have to mess with your helmet pads to fit them and you can take them off while keeping your helmet on
https://www.amazon.com/Peltor-Soundtrap-Tactical-Electronic-Headset/dp/B0000X6I5I
3M Peltor Soundtrap/Tactical 6-S Electronic Headset, Black, one-size, 97043 https://www.amazon.com/dp/B0000X6I5I/ref=cm_sw_r_cp_api_glt_fabc_DW2NKX6DH8Y9QF5RDZQ5?_encoding=UTF8&psc=1
So I was looking around, will these work under an ACH?
A few things:
That looks like a lot of information. Don't be intimidated. Like a lot of things, you'll master it <strong><em>like a Boss</em></strong>.
Peltor 6s with foam plugs underneath if I'm indoors.