.327 Federal Magnum

Why .327 Federal Magnum Makes Sense

The .327 Federal Magnum’s primary advantage is the extra round it enables in small-frame revolvers. A Ruger LCRx or SP101 in .327 Federal holds 6 rounds versus 5 for the equivalent .38 Special/.357 Magnum model — a 20% capacity increase in a platform where every round matters. The cartridge also produces significantly higher velocity than .38 Special from short barrels (approximately 1,300 fps for a 100-grain load from a 3-inch barrel versus 900 fps for .38 Special), improving terminal performance from compact carry revolvers. The versatility of chambering .32 H&R Magnum and lower for economical practice rounds is a practical bonus.

Performance Compared to .357 Magnum

The .327 Federal Magnum produces muzzle energy in the 350–450 ft-lb range from short barrels — meaningfully better than .38 Special (200–250 ft-lb) and approaching .357 Magnum performance (400–550 ft-lb) with significantly less recoil than .357 Magnum full-power loads. For defensive carry in a small-frame revolver where capacity, recoil, and performance must all be balanced, .327 Federal Magnum makes a genuinely compelling case over both .38 Special +P and full-house .357 Magnum.

Revolvers Chambered in .327 Federal Magnum

Ruger produces the SP101 and LCRx in .327 Federal Magnum — the SP101 as a robust medium-frame option and the LCRx as a lightweight carry revolver. Charter Arms produces the Professional VI, a 6-shot small-frame revolver. The Ruger Single Seven is a single-action Western-style revolver in .327 Federal. Availability is more limited than mainstream calibers — verify your chosen revolver is currently in production before planning around the caliber.

Frequently Asked Questions: .327 Federal Magnum

Can I shoot .38 Special in a .327 Federal Magnum revolver?
No — .38 Special is not compatible with .327 Federal Magnum revolvers. The .327 Federal chambers .32 H&R Magnum, .32 S&W Long, and .32 S&W Short, but not .38 Special or .357 Magnum which use a larger case diameter.

Is .327 Federal Magnum a good defensive cartridge?
Yes — with quality defensive loads (Federal Personal Defense, Speer Gold Dot), the .327 Federal Magnum delivers adequate terminal performance for defensive use with less recoil than .357 Magnum. The 6-shot capacity advantage over comparable .38/.357 revolvers is a meaningful defensive benefit.

Why isn’t .327 Federal Magnum more popular?
Limited revolver selection and ammunition availability have constrained the cartridge’s growth. Buyers who want a 6-shot small-frame revolver often default to established .38/.357 platforms with broader ammunition availability. The .327 Federal has grown steadily since introduction but remains a specialty caliber.

See Also: .38 Special Ammo • .357 Magnum Ammo • Revolvers • Ruger LCRx • Charter Arms