Glock 42 .380ACPDescription The new GLOCK 42, in . 380 AUTO, is a slimline subcompact pistol engineered with the GLOCK Perfection promise and able to withstand the rigors of routine training. Made in the USA, the G42 is the smallest pistol GLOCK has ever introduced, making it ideal for pocket carry and shooters with smaller hands. Years of requests across market groups for a super concealable, reliable single stack . 380 GLOCK pistol prompted extensive research and