This video provides an expert-level ballistic gel test of Winchester Defense 10mm AUTO 180 Grain JHP ammunition, conducted by an experienced reviewer. The test compares performance from a Glock 20 (4.6" barrel) and a Glock 40 (6" barrel), detailing chronograph readings, penetration depths, and projectile condition after impact. The reviewer concludes that this specific Winchester Defense load is underperforming compared to expectations for 10mm and even some .40 S&W loads.
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