I think military arms channel did a video on those. Peltor has so many variants it’s so confusing. Are these the new version of those ?——

peltor sport Tac 500 https://www.amazon.com/dp/B06W56YRWJ/ref=cm_sw_r_cp_api_glc_fabc_11e2Fb5M8D54N?_encoding=UTF8&psc=1

Peltor Sport Tac 300 https://www.amazon.com/dp/B06WGRCH7J/ref=cm_sw_r_cp_api_glc_fabc_Q5e2FbGYVDB9H

Peltor Sport Tac 100. https://www.amazon.com/dp/B00NAG4WX2/ref=cm_sw_r_cp_api_glc_fabc_U6e2FbDTE3BFM