GC_UPC ODIN Works AR-15 Billet Receiver Set $445.50 OTR-15-RECEIVER-SET show more like this $8.99 Flat Rate Dirty Bird Industries GC_UPC ODIN Works OTR AR-15 Billet Lower Rifle Receiver Set - Black $470.25 OTR-15-RECEIVER-SET show more like this $8.99 Flat Rate or FREE over $175 AR15Discounts