03-20-2014, 03:24 AM
It is a forged flat top upper with the keyhole forge marking from Cerro Forge on it. It has the M4 feed ramps but it is not marked with the M4 stamp in the front of the rail above the gas tube inlet. The only marking on it besides the keyhole forge mark is the capital P with .. below the letter on the back of the rear takedown lug shown in the picture.[attachment=3159]

