Not sure if folks were aware that the M&P15 was available in a post-ban compliant model.
Model M&P15FT Rifle
http://www.smith-wesson.com/webapp/wcs/stores/servlet/ProductDisplay?catalogId=11101&storeId=10001&productId=65066&langId=-1&parent_category_rn=33803&isFirearm=Y
Model M&P15FT Rifle
http://www.smith-wesson.com/webapp/wcs/stores/servlet/ProductDisplay?catalogId=11101&storeId=10001&productId=65066&langId=-1&parent_category_rn=33803&isFirearm=Y