Welcome to right this moment’s Photo of the Day! This weird Semmerling LM-4 is among the strangest options to a backup gun downside that didn’t actually exist. Philip Lichtman launched this operated by hand .45 ACP pistol within the early Eighties. Shooters needed to flick the slide ahead and again after every set off pull—turning what appeared like a semi-auto right into a glorified single-shot. Lichtman’s idea was easy: cram 5 rounds of .45 ACP into the smallest doable package deal for undercover brokers and police backup use. At simply 5¼ inches total, the LM-4 hit its measurement purpose however created a weapon that demanded extra handbook dexterity than most shooters had beneath stress. The handbook operation works like this—pull the set off in double-action mode to fireplace, then bodily cycle the slide to eject the spent case and chamber the following spherical. Repeat 4 extra instances. The system ditched the complexity of self-loading mechanisms whereas conserving the knockdown energy of full-size .45 ACP ammo.
The LM-4 failed utterly within the market. Regardless of intelligent engineering and real portability benefits, shooters most popular dependable semi-auto operation over handbook biking, even in backup weapons. The weapon’s studying curve was steep. Muscle reminiscence from standard pistols labored in opposition to environment friendly operation. Cops and brokers checked out it, possibly dealt with one at a gun present, then purchased a snub-nose .38 as a substitute. The handbook biking felt bizarre. Beneath stress, folks forgot to work the slide correctly. Malfunctions meant you had been holding an costly paperweight.
The LM-4 died quietly, proving that typically smaller isn’t higher when the tradeoffs contain elementary adjustments to how weapons function. Good idea, impractical execution. An enchanting useless finish in defensive pistol evolution that reveals why most backup weapons right this moment are simply smaller variations of full-size designs somewhat than utterly totally different animals.
“Semmerling Mannequin LM-4 Pistol.” Rock Island Public sale Firm, https://www.rockislandauction.com/element/4094/3593/semmerling-model-lm4-pistol. Accessed 17 June 2025.
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