New YHM Diamond Series complete upper W/Bolt group.

Hi I have a new YHM Diamond series Complete upper with select fire bolt group and chargeing handle. This is a 1/7 Chrome lined, fluted, mid-weight, 16in M/P tested barrel with std. A2 F/H. On a YHM M4 flat top upper both upper and Barrel have M4 ramps. Comes with a new Select fire Bolt group and matching chargeing handle. Upper has a PRI flip up front sight gas block assy, Black MOE handgards, And I will incude a Magteck rear BUIS. Shipped $550. Geart light weight upper. "0" round count. Email me for pictures. Thanks