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Updated: Dec 19, 2025

A Method for Studying the Temperature Dependence of Dynamic Fracture and Fragmentation
Published on: June 28, 2015
The G2 research R.I.P. fragmenting bullet-radiographic features of a recently encountered projectile
Gregory Scott Stacy1, Stephen Thomas2
1Department of Radiology, University of Chicago,, 5841 South Maryland Avenue, Chicago, IL, 60637, USA. sstacy@radiology.bsd.uchicago.edu.
Abstract:
Gunshot wounds (GSWs) are an important cause of disability and death in the USA. Although radiography is limited in its ability to detect bullet types, a projectile introduced during the last decade, the R.I.P. bullet by G2 Research, consists of a base slug connected to 6 to 8 sharp trocars designed to diverge within soft tissue following impact, resulting in what we believe to be a unique imaging appearance that can be confusing to those not familiar with this particular projectile. Furthermore, this bullet is 100% copper, which may allow for safe imaging with magnetic resonance imaging if correctly identified prior to scanning.
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