Some "not so new" CO2 Blowback 4.5mm Steel BB Pistols from Umarex, but still popular Replica BB guns that have received a lot of attention and to be honest have to date not had a real "proper" Field Test. So why not put the Umarex SA177 and Umarex HPP side by side for yet another installment of Head to Head Shootouts! Read full article here: https://www.replicaairguns.com/2014/3/21/umarex-sa177-vs-hpp-head-to-head-shootout.html Buy Umarex HPP gun in Canada: http://www.replicaairguns.ca/umarex-hpp-blowback-bb-pistol.html