wanting to sell this spikes tactical AR-15 complete upper receiver. Chambered in 5.45x39, This is a Corrosion Resistant Upper that features a Melonite finish inside and out. Lothar Walther LW-19 Barrel CMV material, 1:8 twist, Melonite, NiB barrel extension, Melonite coated F-marked FSB, Melonite coated Gas Tube (stainless roll pin), Melonite coated A2 Flash Hider, and Nickel Boron coated Bolt Carrier Group. It’s also sporting a scalarworks rear A2 style peep sight. Asking 450 shipped. Shipping will be ups ground. Will come with 4 loaded magpul gen 2 mags modified to feed 5.45x39 reliably. Thanks for looking! Will also trade for circle 10 74 parts kit(no barrel) will add cash on my end