Crimson Trace just released recently their HRO or Heavy Recoil Optic that maintains that can take on the recoil of .30 firearms... "The HRO™ (Heavy Recoil Optic) is the next generation of quick acquisition tactical reflex sights. Packed with best-in-class features like CT Motion 'shake-to-wake' sensor and integrated Pic Rail mount, the HRO™ looks good and performs even better."

Featuring a 2 MOA red dot, this new optic is designed to take the recoil of .30 weapons. They claim a 50,000 battery life it relies on their CT motion sensor for auto on and will auto shutdown after eight hours on. Constructed with an 6061 aluminum body, it’s also IPX7 rated."