I recently had a custom job to do for on of our AR’s at Mossy Creek Arms. The customer was looking to use the gun primarily for coyote hunting this year. We decided to leave the front sight on the gun and use a back up rear sight from Magpul. This would give him a good backup in case of battery failure or lens breakage. To get the scope height correct to clear the front sight and be able to cowitness with the rear we needed a riser...