The OTR-9 lower is machined in house from billet 7075 aluminum. Machined to match the ODIN Works billet 9mm upper, the OTR-9 Receiver Set gives your industry leading functionality and truly beautiful lines and aesthetics. The OTR-9 Receiver Set guarantees you'll stand out in a crowd and above all else, gives you the top shooting performance that you require. Compatible with 9mm and 40 S&W.
IMPORTANT:**This item requires shipment to a Federal Firearms Licensed dealer. ODIN Works requires you to include the FFL Dealer information you would like your item to be sent to in the comment section of your order. Item will not be shipped without this information.
What brand of magazines does this take? 
