![]() ![]() In fact, Glock managed to beat S&W by several months in 1990. 40, the Glock models 22 and 23 arrived ahead of the S&W Model 4006. Despite S&W spearheading development of the. During the “Wonder Nine” wars of the late 1980s, capacity was considered key, so use of a single-stack magazine would have hamstrung the. 45-caliber frames, and allowed S&W to develop guns that could carry more rounds through the use of modified double-stack magazines. The resulting cartridge permitted S&W to use their existing 9mm pistol frames versus the larger. 850 inch, they were able to eliminate all of the dead-air space while still delivering the FBI’s preferred ballistics. FBI ballisticians had fallen in love with the 10mm after tests revealed that a 180-grain bullet pushed to 850 to 950 feet-persecond (fps) resulted in the terminal ballistics they desired without the attendant felt recoil of the typical 10mm load featuring a 180-grain projectile moving between 1,100 fps and as much as 1,300 fps! Smith & Wesson’s engineers figured out that by cutting down the 10mm case from. 40 S&W, which was meant to be a slightly reduced-pressure version of the 10mm Auto. The FBI had worked with Smith & Wesson and Winchester ammunition to develop the. Following the 1986 Miami-Dade Shootout, the FBI sought an improved round for its agents in the form of the 10mm, which quickly evolved to the. ![]()
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