Smith & Wesson Model 13

About the Smith & Wesson Model 13

The Smith & Wesson Model 13, officially designated the Military & Police Magnum, is a K-frame double-action revolver chambered in .357 Magnum with fixed sights and a heavy barrel profile designed specifically for law enforcement use. Introduced in 1974 at the request of the New York State Police, who wanted a .357 Magnum revolver to replace their Model 10 .38 Special service revolvers, the Model 13 represents a strengthened version of the classic K-frame designed to withstand the stress of firing full-power .357 Magnum ammunition on a regular basis. Built with a six-shot cylinder, the Model 13 was available with 3-inch and 4-inch barrel lengths, both featuring heavy barrel profiles for improved accuracy and recoil management, and with round-butt or square-butt grip frame options to suit different hand sizes and carry preferences. The fixed sight configuration, while less adjustable than target models, provides a robust, snag-free sight picture ideal for duty use. The Model 13 became one of the most successful law enforcement revolvers of the 1970s and 1980s, serving with numerous agencies including the FBI from 1981 to 1991 as their last issued revolver before transitioning to semi-automatic pistols.

The Model 13 with 3-inch barrel and round butt was the last revolver issued to FBI Special Agents, serving from 1981 to 1991 before the Bureau transitioned to semi-automatic pistols. It earned a reputation as an 'unqualified success,' combining the power of .357 Magnum with the perfect size for concealed carry under a suit jacket-the Bureau's ideal duty weapon for the final decade of the revolver era.

Smith & Wesson Model 13 specifications

The Model 13 was developed to provide agencies with a .357 Magnum revolver built on the lighter, more compact K-frame rather than the heavier N-frame used for the Model 27 and 28. The heavy barrel profile distinguishes it from the standard Model 10, with the additional mass helping to manage .357 Magnum recoil and reducing muzzle flip for faster follow-up shots. The FBI adopted the 3-inch round-butt version, which became known among collectors as the 'FBI model.' This configuration was considered ideal for plainclothes and detective work, offering good concealment with sufficient barrel length for accuracy and ballistics. The Model 13 can safely fire both .357 Magnum and the milder .38 Special ammunition, making it versatile for training and reduced-recoil applications. Production ran from 1974 to 1998, with the stainless steel Model 65 variant introduced in 1972 and continuing until 2004. The Model 13 represents the final evolution of Smith & Wesson's classic K-frame before law enforcement transitioned en masse to semi-automatic pistols in the 1990s.