This video details a ballistic gel test of the FN SS198LF 5.7x28mm ammunition, specifically the 27-grain lead-free hollow-point projectile. The test includes velocity readings from different barrel lengths and performance analysis through a four-layer clothing barrier. The presenter, an experienced firearms instructor, notes the ammunition's high cost, LEO-only status, and performance characteristics including tumbling and limited penetration.
This guide details the process of installing a barrel extension on a Derya MK12 shotgun, as demonstrated by Naaming Kotchanok. It covers choke removal, extension installation, and subsequent range testing at 30 and 50 meters to evaluate the impact on effective range and shot pattern. The instruction emphasizes practical application and performance assessment.
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