QRBP Breechplug Installation Tool 30447
For use to initially install new breechplug if purchased separately from the gun. To use, tighten the breechplug firmly into the barrel to fit the threads. Tighten it tighter than you can get with your hands and then loosen. If it is not done far enough, the rifle will not cock. After it has been used to install, you will not need to use it again. Can also help fix a rifle that will not cock.