This guide details the advanced manufacturing process at Longthorne Gunmakers, focusing on their signature monolithic barrels machined from a single steel billet and their robust sidelock actions. The process emphasizes precision engineering using CNC, spark erosion, and wire-cutting technologies to achieve exceptional strength and consistency. The owners, Jim, Elaine, and Alex Longthorne, share their expertise in creating 100% English-made shotguns.
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