This video tests SinterFire Special Duty ammunition, a unique sintered (powdered) copper and tin hollow-point round, using ballistic gel and a clothing barrier. The presenter, an experienced firearms instructor, evaluates its performance in 9mm and .380 ACP, focusing on penetration, fragmentation, and velocity. While initially skeptical of its light-for-caliber nature, the results show surprisingly controlled fragmentation and significant penetration from the 9mm core, leading to a re-evaluation of its potential effectiveness.
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