The HKS MK-3A A-Series speedloader is a six-round revolver loader designed for efficient cylinder loading of compatible .38 and .357 revolvers. The loader pairs a lightweight polymer body with strong metal retention points to secure cartridges until release. A knurled twist knob provides a positive grip and a quick, single-motion release of all rounds into the cylinder.
Key Specifications
- The capacity is 6 rounds.
- Compatible with .38 Special and .357 Mag cartridges.
- Designed to fit Colt MK3 / MK5, King Cobra, Peacekeeper, and Ruger Security-6 revolvers.
- The body material is plastic.
- The finish color is black.
- Model designation is A Series (MK-3A).
- Release mechanism uses a knurled aluminum twist knob for instant cartridge drop.
- Overall dimensions are 1.55 x 3.85 x 6.20 inches.
Compact and straightforward, the HKS MK-3A speedloader streamlines reloads for shooters who prefer reliable, time-saving gear. Its combination of a secure retention system and a tactile twist knob makes it well-suited for range use, competition staging, or carrying as part of a kit where rapid revolver reloads are desirable. The loader’s A-Series design minimizes cartridge movement while stored and delivers consistent, dependable performance when loading a compatible cylinder.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




