What firearms are compatible with the HKS Model 57-M Speedloader?

This speedloader is specifically engineered for Smith & Wesson Model 57 and Model 58 N-frame revolvers chambered in .41 Remington Magnum, as well as compatible Ruger double-action revolvers like the Redhawk in .41 Mag. It holds exactly six rounds and features an 'M-series' cartridge play to allow slight axial flexibility, ensuring smooth alignment into the cylinder chambers without binding.

Will this speedloader work with .44 Magnum or .357 Magnum revolvers?

No. The HKS 57-M is strictly limited to six rounds of .41 Remington Magnum. It is incompatible with .44 Magnum, .357 Magnum, .45 Colt, or 7/8-shot cylinders because the chamber pitch spacing and locking pin alignment are exclusively calibrated for the .41 Magnum N-frame platform.

What belt pouches or cases fit the HKS Model 57-M?

The Model 57-M requires standard large-sized speedloader pouches for secure field carry. In our range, it pairs naturally with the Hks 203 Double Molded Speedloader Case in Plain Large (HKS203PLBN), which provides durable retention for outback hunting and range use.

Does this speedloader require any electrical certifications or special compliance in Australia?

As a purely mechanical firearm accessory, the HKS Model 57-M requires no mains power, electrical regulatory certifications like SAA or RCM, or 240V compliance. Speedloaders are un-serialized reloading accessories and generally not classified as restricted firearm components under Australian state and territory legislation, though owning the matching .41 Magnum handgun requires the appropriate Category H license.

.41 Mag Speedloader - HKS HKS57M

The HKS Model 57-M Speedloader is a dedicated mechanical reloading tool designed to chamber six rounds of .41 Remington Magnum ammunition simultaneously into compatible double-action revolver cylinders. Built with an impact-resistant molded black polymer body, internal steel springs, and metal locking pins, this unit weighs approximately 40 to 50 grams. It utilizes a manual twist-release mechanism to secure and drop cartridges without requiring batteries or electrical power, and it fits standard large-size speedloader cases and pouches.

Key Features

Mechanical Twist-Release Operation: Holds ammunition securely via internal metal locking pins and deposits cartridges directly into the cylinder with a clockwise turn of the knurled exterior knob.
M-Series Radial Play: Engineered to provide slight axial cartridge flexibility ("jiggle"), enabling all six case mouths to align smoothly with the cylinder chambers without binding.
Durable Construction: Combines a molded polymer body with steel internal hardware to resist impact across standard outdoor ambient temperature ranges.
Standard Pouch Fit: Sized for compatibility with standard dual or single large-frame speedloader belt pouches and range bags.

Specifications

Calibre: .41 Remington Magnum
Capacity: 6 rounds
Firearm Compatibility: Smith & Wesson Model 57, Model 58 (N-Frame platforms), and compatible Ruger .41 Magnum double-action revolvers (such as the Redhawk)
Pouch Size: Large speedloader cases
Weight: Approximately 40–50 grams
Materials: Molded polymer body, internal steel springs, metal locking pins
Operation: Manual clockwise twist knob

Who is the HKS Model 57-M Speedloader for?

Handgun metallic silhouette shooters — uses a dedicated 6-round capacity pattern to reload .41 Remington Magnum N-frame revolvers quickly between target banks without manually chambering individual rounds.
Big-bore revolver hunters — provides rapid replenishment of a full 6-round payload of heavy .41 Remington Magnum ammunition in the field via a secure, mechanical twist-release mechanism that functions without electrical power.

Less suitable for: Revolvers chambered in other calibres such as .44 Magnum, .357 Magnum, or .45 Colt, or platforms featuring 7-shot or 8-shot cylinders; these require calibre-specific or higher-capacity speedloaders engineered to match the alternate chamber pitch spacing and pin alignments.

SKU	HKS40964LP
Model #	HKS57M
Brand	Hks
Shipping Weight	1.0000kg

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Hks Hks57m Speedloader 41 Magnum 6 Round

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