Glock 43X 48 Magazine Compatibility Guide
Glock 43X 48 Magazine Compatibility Guide. Not all G43X/G48 mags work together safely. Learn which magazine and catch combos actually function—and which destroy your gun. { "@context": "https://schema.org", "@graph": [ { "@type": "Organization", "@id": "https://greyhive.com#organization", "name": "Greyhive", "url": "https://greyhive.com", "description": "Greyhive is a censorship-resistant video platform for the firearms, 2A, hunting, and outdoor industries — where creators build, review, and monetize unfiltered content.", "logo": { "@type": "ImageObject", "url": "https://greyhive.com/static/uploads/images/ae198483-01c9-44b4-a16a-03f516ceaf66.svg", "width": 512, "height": 512 }, "sameAs": [ "https://x.com/greyhive", "https://www.instagram.com/greyhive/", "https://www.youtube.com/@Greyhive", "https://www.linkedin.com/company/greyhive/" ] }, { "@type": "WebSite", "@id": "https://greyhive.com#website", "url": "https://greyhive.com", "name": "Greyhive", "description": "Greyhive is a censorship-resistant video platform for the firearms, 2A, hunting, and outdoor industries — where creators build, review, and monetize unfiltered content.", "publisher": { "@id": "https://greyhive.com#organization" } }, { "@type": "Person", "@id": "https://greyhive.com/c/carry_trainer#person", "name": "Carry Trainer", "url": "https://greyhive.com/c/carry_trainer", "description": "Carry Trainer is a Greyhive creator producing original 2A, firearms, hunting, and outdoor content.", "image": "https://greyhive.com/lazy-static/avatars/4556f26d-7700-4603-85ca-7bdee6cd42ba.jpg" }, { "@type": "Article", "@id": "https://greyhive.com/blog/glock-43x-48-magazine-compatibility-guide#article", "isPartOf": { "@id": "https://greyhive.com#website" }, "mainEntityOfPage": { "@id": "https://greyhive.com/blog/glock-43x-48-magazine-compatibility-guide" }, "url": "https://greyhive.com/blog/glock-43x-48-magazine-compatibility-guide", "headline": "Glock 43X 48 Magazine Compatibility Guide", "name": "Glock 43X 48 Magazine Compatibility Guide", "description": "Not all G43X/G48 mags work together safely. Learn which magazine and catch combos actually function—and which destroy your gun.", "articleSection": "Gun Reviews", "articleBody": "The Glock 43X and 48 magazine compatibility question comes down to one rule: your magazine and your magazine catch have to be matched as a system, or one will slowly grind the other into scrap metal. Mickey from Carry Trainer (carrytrainer.com) breaks down exactly which magazine and catch combinations function safely on these subcompact 9mm pistols—and which ones will wreck your gun in a single afternoon at the range. These are two of the most popular EDC pistols on the market, and the aftermarket for capacity upgrades has exploded. But as Mickey demonstrates with a 43X and a 48 built by Ben Simonson at Boresight Solutions, the parts do not all play nice together. Mixing a steel mag with the wrong catch causes wear that ends in a mag self-jettisoning after a shot—or a magazine so locked in place it takes two people and a vise to remove. If you carry a 43X or 48, or you're an instructor fielding this question, this guide lays out the compatible combinations, the failure modes, and the one aftermarket part Mickey now runs to fix the whole mess. Key Takeaways Glock shipped the 43X/48 with 10-round mags for reliability, then added a 15-round steel OEM mag made by Mec-Gar. Shield Arms S15 mags have a sharp metal edge that chews up the OEM polymer mag catch until mags self-eject after a shot. The Shield Arms metal mag catch does the reverse—it grinds the polymer on OEM mags until they won't stay in the gun. The TangoDown GMR-007M c…