C&H Precision’s ERD-1 is a rugged optic built for real-world use. This large window sight boasts a 2 MOA dot with a 56 MOA circle for quick target acquisition. CNC-machined for durability, the ERD-1 is shockproof, waterproof, and features shake-to-wake for easy activation. Look for the C&H Precision ERD-1 to hit shelves soon, but in the meantime read my upcoming review!