G2 Research's Civic Duty expanding self-defense round has a Trocar design of solid copper that is a R.I.P. fragmenting projectile. This 9mm expands 2.5 times its initial diameter after coming into contact with a fluid medium. The extreme expansion leads to 100 percent energy transfer and 99.9 percent weight retention inside the intended target without concern of over penetration in CQB situations.
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