I had a Leopold Mark IV 16 power, 4.5X14 LR mil-dot, and a 8.5X25 LR duplex. They all worked great, except the Mark IV, which had a bent reticle(had it on a Barret), but Leopold fixed it in less than a week. Great service. Ended selling them after seeing the IOR Valdada 6X24X50 MP-8 reticle...