Prepare for a major dent in your finances or give up your mortgage payment for a month if you dig this custom rifle from the Airsoft Surgeon now available at RedWolf Airsoft for US$2,299.00 (email to order since it's out of stock)... "The SPR, used by Special Operations Forces of both the U.S. Army and U.S. Navy, is a heavily modified light designated marksman variation of the M16 line of infantry weapons, and is chambered for NATO standard 5.56x45mm ammunition.