Nosler Reloading Guide: Prep, Setup, and Load Data
By Amis Thains Updated 5 min read
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On this page (8 sections)
You have a Nosler manual, but the gap between the printed numbers and your finished brass still feels wide. This guide walks you through the exact case prep, die settings, and press routine the manual expects so your loads hit group size.
In short: The Nosler Reloading Guide centers on strict case prep, consistent die settings, and verified load data. You must clean, resize, and prime brass to magazine spec before weighing powder, because inconsistent cases cause inconsistent velocity and accuracy. Use only published load data from bullet and powder makers, never guess numbers.
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Contains the specific load tables and case dimensions you need to build safe Nosler loads.
Handles the stiff, hard-to-resize 28 Nosler cases without stretching or neck thinning.
What you need to start
- A single-stage or progressive reloading press sized for your cartridge
- Nosler Reloading Manual Number One for load data
- A reloading scale accurate to 0.001g (1/1000th of a gram)
- Case lube and a case lubing kit
- Primers, bullets, and powder listed in your chosen recipe
- A comparator to check neck length
This manual is the source of truth for every number you will enter below.
Check price on AmazonPrep your brass to magazine spec
Before you weigh a grain of powder, your brass must be consistent. Nosler manuals assume cases are trimmed, clean, and resized to a specific neck dimension. If that sounds like your bench, read up on media separator for large loads next.
- Trim: Cut cases to the length in the manual. Most Nosler cartridges have a strict maximum length; exceeding it causes high pressure.
- Clean: Use a tumbler, ultrasonic, or media tumbler to remove carbon and fouling. The manual requires a clean case for proper headspace inspection.
- Resize: Run cases through your sizing die. For long-range or magnum cases, use competition-grade dies to control neck tension.
- Prime: Install primers before bullet seating to avoid bumping them during press operation.
Check your neck thickness with a comparator. If your necks are stretched, your die is set too loose. If they are too thin, your die is set too tight.
Pro tip: Always trim before resizing. A case that is too long cannot be resized correctly, which leads to headspace issues.
The Redding 28 Nosler Master Hunter set handles the stiff 28 Nosler case without requiring extra lube.
- The Master Hunter Die Sets were inspired by and requested as a result of the success of
- The Master Hunter Die Sets combine the standard Redding Full Length Sizing Die with the
Set your dies for consistent tension
Die settings are where most accuracy dies are lost. Follow the manual’s specification for neck tension, which usually falls between 0.001 and 0.002 inches after the bullet is seated.
- Lower the sizing die until the collar of the case is fully sized, then back it up slightly to remove burrs.
- Set the expander die so it barely makes contact with the neck.
- Measure the neck thickness with a micrometer. It should be uniform across the case.
- If using a competition die, adjust the neck diameter to your desired tension spec.
Record the micrometer reading. If it drifts, your die is set incorrectly or the case head is thick. A thick head space means the case does not fully seat, reducing accuracy.
Select and verify your load
Never use a load from a forum or a friend. Use only the numbers in your Nosler Reloading Manual or from the powder or bullet maker’s website. The manual provides tested pressure data and maximum velocities.
- Pick your bullet: Nosler offers Partition, AccuBond, and BT bullets. The manual lists starting and maximum loads for each weight.
- Check the OAL: Overall length must fit your magazine. The manual lists max OAL; stay under it for semi-auto reliability.
- Start low: Begin at the minimum load for your bullet weight and powder combination.
- Work up: Increase powder in small increments (usually 1 grain for slow-burn powders) until you hit the maximum, never exceeding it.
Use a scale to weigh powder for your first few batches. Consistency matters more than absolute weight; a scale with 0.001g precision keeps variation under control. Loaders in this spot often ask about how to wet tumble as well.
This 100g scale gives you the 0.001g precision needed to keep powder charge weight consistent.
- 100g CAPACITY RELOADING SCALE WITH GRAIN & MILLIGRAM PRECISION：Built for reloaders who
- SMART TARGET WEIGHT ALERT WITH COLOR GUIDANCE：Set your target weight and tolerance
Press and load with care
Pressing is where errors become expensive. Follow the manual’s steps for bullet seating depth. The OAL is measured from the case mouth to the bullet tip.
- Install your seater die and adjust it until the bullet is at the correct OAL.
- Lock the press and hold the case firmly.
- Seat the bullet. Do not force it; if it stops, stop and check the die depth.
- Inspect the bullet alignment. It should be straight and centered.
If the bullet is off-center, your case is likely not sized correctly or the die is misaligned. Check the die depth and re-seat. A crooked bullet will not fly straight.
Safety first: Always inspect your brass for head separation, cracks, or loose primer pockets before reloading. Discard any case that shows these signs.
Common mistakes to avoid
- Guessing load data: Instead, use only published data from the manual or manufacturer.
- Overfilling the case: Instead, check your head space and ensure the case does not bulge past the die.
- Inconsistent powder charges: Instead, weigh your first 50 charges and discard the batch if the average is off.
- Skipping case lube: Instead, use lube on every resizing stroke to prevent case stretching.
- Not checking OAL: Instead, verify OAL on every 10th round to ensure magazine fit.
The bottom line
The Nosler Reloading Guide is not just a book; it is a workflow. Start with strict case prep and die settings, then verify every load against the manual's pressure data. For most shooters, the Nosler Reloading Manual Number One is the single most important tool on your bench. If you are reloading 28 Nosler, the Redding Master Hunter die set is the upgrade that makes the job easier.
Frequently asked questions
What is the best tumbler for Nosler brass?
A vibratory tumbler with corn cob media works well for final polishing. For heavy fouling, use walnut media first. The tumbler is a prep step; it does not replace proper case trimming and resizing.
Do I need a reloading scale or can I use a powder measure?
A powder measure is faster for production, but a scale is required for verification. Use the scale to check your powder measure’s accuracy. If the measure is off by more than 1 grain, recalibrate it. We go through understanding the pressu2019s heritage step by step in its own article.
Why do my Nosler loads group poorly?
Poor groups usually trace back to inconsistent case prep. Check your neck tension and OAL. If the brass is not trimmed to spec, the bullet will not sit the same way in every case. Also, ensure your dies are clean and set correctly.
Can I use other bullets in a Nosler cartridge?
Yes, but only if the bullet manufacturer publishes load data for that specific cartridge and bullet weight. Never use load data from a different bullet weight or diameter. The Nosler manual is the baseline; use it to verify compatibility.