Powerful scope for the ar best for the buck - Konus Pro 3-12x50mm T30 Rifle Scope w/ Illum Mil Dot Reticle

I have 4 of these 3x12 50 IR on my AR.clarity is unbeatable and my "truck AR " takes a beating and dosent lose zero . 4 rpunds to the first zero the turret moveent is near exact.the front lens cover is cheap and I use a cut off sock and rubber band anyway.these scope take the recoil of the 308 ,6.8,7.62x39 and 5.56 AP under rapid fire