http://www.primaryarms.com/primary-a...ot-md-rb-ad-sp
50,000 hour battery life, lifetime warranty, “MD-RB-AD-SP is designed for use on heavy recoiling firearms such as shotguns”, the blem part of this is that due to a machining error, you are limited to the base/riser as shipped. Fine with me, this is going on my 1301.
The MD-RB-AD-SP comes with a removable 1913 MIL STD Picatinny base. With the base removed, the scope body is NOT compatible with industry standard micro mount systems. The scope body was machined incorrectly at the factory, so MD-RB-AD-SP is ONLY compatible with the removable base and riser mount that are included with it in the box, and will not fit other aftermarket mounts. MD-RB-AD-SP is considered a factory blemished optic for this reason.
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Originally Posted by Enel
