Knex Usp 45 --- Review --- By entenie-1995 in LivingLEGO & K'NEX28,6968136Save PDFFavoriteIntroduction: Knex Usp 45 --- Review ---By entenie-1995Follow More by the author: About: I dont play with knex anymore More About entenie-1995 »this is a knex Usp 45. It's powerful, good grip and simple to reload. I gonna post it soon.