Ruger pc4 reviewRuger pc4 review. . 56mm. . com . . . All in all the Ruger PC4 is both fun to shoot and a worthwhile addition to the armory . ReviewsThe Ruger PC4 is a semi automatic pistol caliber carbine - a rifle that fires a pistol cartridgeBelow is my review of the Ruger PC4, which is a carbine rifle chambered for . 4. on CBS sites: US Open | PGA Championship | iPad | Video Game Reviews . . . . . This rail mounted without problem to my Ruger PC4. I just listed some ruger PC4 police carbin... more