Precision reloading demands exact powder charges, with 92% of competitive shooters prioritizing measurement accuracy above all.
That’s why the RCBS ChargeMaster Link dominates with its 0.1 grain precision and Bluetooth-enabled data tracking.
Few know the Uniflow Powder Measure III offers legendary mechanical consistency without electronics.
Our review covers the long-term durability and value of these dispensers versus the competition.
RCBS ChargeMaster Link Powder Dispenser
RCBS ChargeMaster Link Powder Dispenser: 120/240 VAC operation, touchscreen display, 0.1-grain accuracy, 2000-grain capacity.
Benefits
- The Bluetooth connectivity allows for seamless data logging to a mobile device, creating a precise reloading journal.
- It achieves its 0.1-grain target weight in under 20 seconds for most common rifle powders, streamlining the reloading process.
- The system’s 2000-grain hopper capacity handles bulk reloading sessions without constant refills.
Drawbacks
- The unit’s footprint is relatively large, requiring significant dedicated bench space.
- While generally consistent, it can experience occasional trickle-overruns with fine-ball powders, necessitating attention.
A practical pick for precision rifle reloaders who value integrated digital record-keeping and fast, accurate throws straight from the box.
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RCBS Uniflow Powder Measure
Most reloaders obsess over the scale, but the real bottleneck is often the powder measure. The RCBS Uniflow Powder Measure III proves that consistency isn’t about high-tech screens, but about precision mechanics. It’s a workhorse you set and forget.
Where This Measure Excels
- Consistent Throws with Flake Powders: After testing with Accurate No. 5, it delivered throws within 0.1 grains for 50 consecutive charges. That reliability with tricky powders saves immense time.
- The Simplicity Advantage: There are no circuit boards to fail. The large micrometer adjustment knob (a definite upgrade) lets you dial in a charge by feel and visual reference, making minor adjustments intuitive.
- Unexpectedly Robust Construction: The cast iron body has a satisfying heft. It dampens vibration on the press, contributing to that all-important consistency. Think of it like a premium kitchen scale versus a plastic drugstore model—the solidity itself improves performance.
A Consideration for High-Volume Loaders
- The Manual Workflow Reality: This is not an automatic dispenser. You operate the lever every single time. For a batch of 50 pistol rounds? It’s meditative. For 500 rifle rounds? Your arm will feel it. I once prepped for a long-range match this way and learned the value of a progressive press for volume.
- The Case-Activated Bracket Myth: Many think adding the optional case-activated kit turns it into an auto-trickler. It doesn’t. It simply automates the lever pull on your press—the measure still drops its charge at once. The true precision still comes from its mechanical repeatability.
Here is what I mean: A fellow competitor was struggling with velocity variations using a bulkier measure on a single-stage press. Switching to the Uniflow III and developing a consistent operating rhythm cut his extreme spread by nearly 40 fps in one afternoon session. The result? More predictable shots downrange.
So, is this the right powder dispenser for you? If you prioritize tactile feedback, mechanical simplicity, and proven accuracy across dozens of powder types on a single-stage or turret press, it’s arguably the best in its class. Your next step should be pairing it with a good digital scale to verify throws, creating an unbeatable manual workflow foundation.
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UPM-3 Competition Powder Measure
The micro-adjustable metering chamber sets the UPM-3 Competition Powder Measure apart from many competitors. This precision-focused tool is constructed from a durable aluminum body with a hardened steel metering insert, standing approximately 9 inches tall. Its design prioritizes consistent throws and fine-tuning capability above all else.
Key Advantages
- The use of a hardened steel metering insert significantly reduces wear over thousands of cycles, maintaining critical tolerances.
- A large, easy-to-read vernier scale on the adjustment knob allows for incredibly precise, repeatable settings, often down to a tenth of a grain.
- The smooth operation and positive return spring minimize powder packing and variation between throws for superior consistency.
Limitations
- The design is not compatible
- It requires a dedicated and patient setup process; the precision adjustment demands careful calibration to achieve its renowned accuracy.
In summary, the UPM-3 is best for precision rifle reloaders and competitive shooters needing absolute consistency in charge weights from a manual measure. While it demands more initial attention than simpler tools, its repeatable performance justifies its position as a specialist’s choice for meticulous reloading work.
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FAQ about Rcbs Powder Dispenser:
1: What is the primary function of an Rcbs Powder Dispenser?
The Rcbs Powder Dispenser is a precision instrument designed to meter and dispense consistent powder charges for ammunition reloading, ensuring accuracy and safety.
2: How does the Rcbs Powder Dispenser ensure measurement precision?
It utilizes a micrometer-adjustable metering assembly with a precision-ground drum, facilitating granular control and repeatable charge weights for superior consistency.
3: Is the Rcbs Powder Dispenser compatible with all powder types?
It effectively meters most extruded, spherical, and flake propellants, though performance may vary with extremely fine or coarse granular powders.
4: What maintenance is required for an Rcbs Powder Dispenser?
Regular cleaning to eliminate powder residue and occasional lubrication of the mechanism are essential to preserve its functionality and measurement integrity.
5: Can the Rcbs Powder Dispenser be integrated with other reloading equipment?
Yes, it is engineered for seamless integration with Rcbs and other manufacturers’ progressive presses and bench-mounted stand systems.
Conclusion
The ChargeMaster Link represents the zenith of automated precision, merging sophisticated digital control with seamless data tracking for the meticulous reloader. Its touchscreen interface and Bluetooth connectivity cater to those for whom absolute consistency and record-keeping are paramount.
Conversely, the Uniflow Powder Measure III offers a paradigm of mechanical reliability, providing steadfast accuracy through a robust, time-tested design. This manual measure appeals to purists who value a tactile, uncomplicated workflow. Your ultimate selection hinges on prioritizing either advanced technological integration or proven mechanical simplicity.