Get 5 new PMAG magazines with the purchase of a new M&P15 5.56mm from Feb. 27th to May 31st.
http://www.smith-wesson.com/wcsstore/SmWesson/upload/other/promos/SW_M&P15_LoadUp_Rifle_Full.pdf
http://www.smith-wesson.com/wcsstore/SmWesson/upload/other/promos/SW_M&P15_LoadUp_Rifle_Full.pdf