This review of the Rheinmetall MG42/59, a post-WWII variant of the iconic MG42, details its conversion to 7.62 NATO and a significantly reduced rate of fire. Expert Ian McCollum highlights key mechanical changes, including a heavier bolt and buffer system, necessary for the caliber conversion and rate reduction. The specific example discussed was imported by Colt for a specialized project before entering the civilian market.
This entry details the GB-357, a custom rifle built on a modified GB-22 frame, chambered for .357 Magnum and .38 Special. It features a 16-inch barrel, AR-style stock, and a modified bolt with added weight to handle higher pressure rounds. The video demonstrates the blowback action and discusses the challenges of .357 Magnum case ejection compared to .38 Special.
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