FIREARM

摘要

A firearm including a bolt for securing a barrel such that the barrel attaches to a receiver with increased repeatability at the same location. The bolt included a tapered end and may also include a threaded section. The receiver comprises a barrel attachment feature which allows the bolt to pass through and can also include threads for engaging the bolt. The barrel comprises a beveled recess for engaging the tapered end of the bolt. The angle of the tapered end and the beveled recess are approximately reciprocal. The bolt passes through the receiver and its tapered end engages the beveled recess to secure the barrel to the receiver.