Overview

The Big-Bore Boss Built to Wrangle the Heaviest Hitters. When the cartridge says .45 or bigger, you don’t trust your reloads to just any holder. You need the one that grips like a bear trap and never flinches: Hornady Shell Holder #45. Precision-machined from heat-treated steel with an extra-wide mouth and deeply beveled edges, it swallows monster cases.45 ACP, .45 Colt, .454 Casull, .460 S&W, .480 Ruger, .50 AE, and everything in betweenwith zero drama. One effortless snap into any standard press ram (Hornady or otherwise), no set screws, no wobble, no excuses. This is the shell holder that keeps your cowboy-action .45 Colts feeding smoothly, your .454 Casull bear-stoppers hitting like freight trains, and your .50 AE Desert Eagle loads running like they were born in the factory. Full-length size, de-cap, expand, seat, and crimp with perfect concentricity and repeatable headspace, so every round chambers flawlessly and every group stays tight. Calibers it owns outright: .45 ACP .45 Colt .45 GAP .451 Detonics .454 Casull .460 S&W Magnum .480 Ruger .50 Action Express and more. Why big-bore shooters never take #45 off the press: Lifetime-tough heat-treated steel that laughs at 20,000+ rounds. Instant tool-free snap-in design for lightning-fast caliber changes. Rock-solid alignment zero case tilt, zero headspace surprises. Made in the USA with Hornady’s bulletproof lifetime warranty. At under seven bucks, it’s the cheapest insurance you’ll ever buy for loads that stop trucksor anything else in their path.