This video provides an expert-level review and test of the DPM Systems Multiple Springs Recoil Reduction System installed on a Glock 21 Gen 4. The instructor, demonstrating significant firearms expertise, conducts rigorous testing including single-handed firing, limpwristing, and rapid fire sequences to assess recoil reduction and reliability. The DPM system is shown to significantly smooth the pistol's operation and facilitate faster follow-up shots, even for a .45 ACP platform.
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