Brownells to Sell Sought-After HK416 Kits This Weekend GRINNELL, Iowa –-(Ammoland.com)- Starting November 10, Brownells will offer a limited quantity of parts kits for the HK416 – the type of rifle used by U.S. Navy SEALs in the 2011 raid against Osama Bin Laden. Disassembled from German military machine guns, the parts kits will be