American National Firearms screw set for Ruger 10/22 V-block barrel retainer. These precision stainless steel screws are made to fit the V-block retainer / stabilizer on Ruger 10/22, 10/17 and SR-22 rifles and Charger pistol. These are not repurposed hardware store screws, they are made specifically for the Ruger v-block application. Whether you are building an all-new custom gun, upgrading an older rifle or simply replacing a lost or damaged screw, these screws are guaranteed to be a 100% perfect fit. Wrench included.