RCBS M500 Balance Beam Mechanical Powder Scale - 505 Grain Capacity Precision Reloading Tool
- Finish-Color:
- Green
- Quantity:
- 1
- Size:
- Adjustable
- Material:
- Metal
- Media Type:
- Powder
- Function:
- Weigh
- Grain:
- Up To 505 Grain
The RCBS M500 balance beam mechanical powder scale is a no-nonsense reloading workhorse built for handloaders who value precision and reliability without the complexity—or the battery dependency—of digital alternatives. With a 505-grain capacity and accuracy to within 0.1 grain, the M500 delivers the repeatability you need for consistent ammunition, whether you're developing loads for precision rifle, shotgun, or pistol work. Its proven two-poise design and magnetic damping system give you fast, stable readings every time, with zero maintenance headaches.
The M500 is built tough from a rugged die cast aluminum base and designed for real-world reloading benches. The ambidextrous metal scale pan works equally well for right- or left-handed operators, and the leveling foot ensures your scale sits true—critical for accurate powder charges. A grain-to-gram conversion chart is printed right on the base, so you're never hunting for recipe conversions when you need them. The tip-proof pan design keeps your powder where it belongs and makes loading faster and safer.
If you reload in volume or just value the simplicity of a mechanical scale that never needs charging, the M500 is a solid choice. It's the kind of tool that'll still be working flawlessly years from now, sitting in the same spot on your bench, doing exactly what it did on day one.
Key Features
- 505-grain capacity for rifle, pistol, and shotgun reloading
- Accurate to ±0.1 grain for consistent powder charges
- Two-poise design for proven, dependable weighing
- Magnetic damping system for fast, maintenance-free operation
- Ambidextrous metal pan suits right- or left-handed operators
- Rugged die cast aluminum base with integrated leveling foot
- Grain-to-gram conversion table printed on the base
- Tip-proof pan design for safer, easier loading
Specifications
| Capacity | 505 grains |
| Accuracy | ±0.1 grain |
| Design | Two-poise balance beam |
| Damping System | Magnetic |
| Pan Type | Ambidextrous metal (tip-proof) |
| Base Material | Die cast aluminum |
| Handedness | Right or left-handed operation |
Frequently Asked Questions
Can I use the RCBS M500 for both rifle and pistol reloading?
Yes. With a 505-grain capacity and 0.1-grain accuracy, the M500 handles the full range of rifle, pistol, and shotgun powder charges.
Is the M500 mechanical scale battery-powered?
No. The M500 is a mechanical balance beam scale with magnetic damping, so it requires no batteries or electricity—just a level bench and your attention.
Does the scale work for left-handed reloaders?
Yes. The M500 features ambidextrous operation with a metal scale pan designed for both right- and left-handed use.
What's included with the scale?
The M500 comes with the balance beam, two-poise system, metal pan, die cast aluminum base with leveling foot, and a grain-to-gram conversion chart printed on the base.

