I have these they’re pretty dope. Nice tight rubber seal and easy flip lids. Check the manual on athlons website to get the dims. Buy smaller if close.

Monstrum Tactical Rubberized Flip-Up Rifle Scope Lens Covers (Objective Lens | 55-62 mm/2.2-2.4 inch Diameter) https://www.amazon.com/dp/B076671ZNB/ref=cm_sw_r_cp_api_i_5LTnCbBZ2P3DR