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Polygonal vs Conventional Rifling and Glock Marksman

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Glock and Lead Bullets!?! What you need to Know!?! Lead Bullets and Polygonal Barrels!?!

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Glock Polygonal Rifling And Chambers - A Different Look

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Barrel Rifling - Cut vs. Button vs. Cold Hammer Forged

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Polygonal vs. Rifled Barrel: The Ultimate Ballistics Test with the L562 and S&W 586

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New Insights On Glock Polygonal Rifling

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Polygonal Rifling (G28) vs Traditional Rifling (Security 380) - Accuracy & Velocity Comparison

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