This video, a re-edit of an original from May 13, 2024, focuses on the process of rifling firearm barrels. The creator plans future, more in-depth rifling videos, including one specifically on ECM rifling. They tease an upcoming short video demonstrating a quick, albeit potentially 'ugly' or 'epic,' method using inexpensive Chinese rifling buttons, grease, and a hammer. Links to American-made rifling buttons from Danjon and DME Tool are provided.
This video details the manufacturing process and benefits of Nowlin 1911 barrels, emphasizing their Electro Chemical Machining (ECM) technique for superior accuracy, smooth finish, and stress-free rifling. It covers the advantages of tight tolerances and tighter-than-normal rifling for better bullet seal, leading to higher velocity and less fouling, making them ideal for high-volume shooting. The guide also explains the differences between drop-in and gunsmith-fit barrels, including fitting procedures for optimal lock-up, and highlights the availability of various calibers, lengths, and the Nowlin ramp feature for enhanced case support.
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