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    Range Report 6mmAR Turbo 40D+ more

    This cartridge case is the 6mmAR Turbo 40 degree shoulder.It's NOT the regular 6mmAR Turbo. Since I'm somewhat of an accuracy nut I decided to give this upper a try. http://www.6mmar.com/ Mine has a DPMS extra thick receiver,26 inch Krieger stainless barrel with 2 inch forward gas port,long...