In 2021, a leading manufacturer of these products moved its plastic injection molding facility to Maryville, Tennessee. Ashley Hlebinsky, who curates a museum about these products, testified against their proposed redefinition for the DC Project. Cody Wilson sells CNC mills to make these products from “80 percent lowers.” The comparison microscopy system IBIS classifies models of these products, which are identified from microstamping and toolmarks. Although makers of these products are protected by the 2005 PLCAA, seven of them were sued in 2021 by Mexico. Businesses like LSC resell “parts kits” from these products after nominal destruction of their serial numbers, which are absent from privately assembled, untraceable ones nicknamed “ghosts.” For 10 points, private sales of what objects are exempt from background checks enforced by the ATF? ■END■
ANSWER: guns [or firearms; accept pistols, rifles, handguns, AR-15s, or other specific types of firearm; accept gun shows or ghost guns or 3-D printed guns; accept Cody Firearms Museum; prompt on conventional weapons or arms or self-defense or equivalents] (Clues include Smith & Wesson, the Integrated Ballistics Identification System, and the Protection of Lawful Commerce in Arms Act.)
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