Description
The Redding #19 Standard Bullet Seating Micrometer is a drop-in upgrade that takes a conventional Redding seating die and gives it the kind of repeatable, dial-in adjustment usually found on Competition dies. Instead of guessing at seating depth and chasing it with trial and error, you set the micrometer and read it right off the sleeve, marked in thousandths of an inch. It replaces your original seat plug directly and swaps from die to die without any fuss.
What the #19 Micrometer Fits
This is a standard bullet shape (STD) micrometer sized for the #19 plug family. It works with Redding seating dies that use the 1/2-20 thread seat plug, and the #19 covers cartridges like 300 AAC Blackout, 300 Savage, 303 British, 7.5×55 Swiss, 300/221 Remington, 300 Norma Magnum, 30 Remington AR, 308 Marlin Express, 300 Winchester Magnum, and 351 Winchester Self-Loading. If you load any of these and want tighter control over your seating, this is the right number to grab. One thing worth noting: this micrometer is not made for use with Redding Competition Seating Dies, which already have their own micrometer built in.
Why Handloaders Reach for the #19 Seating Micrometer
Seating depth has a real effect on how a load shoots, and being able to move it in precise, repeatable steps is a big deal when you're working up a load or jumping between different bullets. The micrometer barrel lets you note a setting, change it, and come right back to it later without re-measuring. Folks who run these report that the standard micrometer holds its own against the pricier Competition die setup, delivering the same accuracy for a lot less investment in your bench.
Getting Set Up With the #19 STD Micrometer
Installation is about as simple as reloading gear gets. You pull the factory seat plug out of your compatible die and thread this micrometer unit in its place. From there you've got fine, numbered adjustment at your fingertips, and because it pops in and out easily, you can keep one micrometer and share it across dies that use the same plug size. It's a straightforward way to add precision to a press you already own.
Key Specifications
- Manufacturer: Redding
- Manufacturer Part Number: 09079
- Model: #19 Standard
- UPC: 611760090790
- Bullet Shape: Standard (STD)
- Thread Size: 1/2-20
- Adjustment Increment: 1/1000 inch
- Type: Replacement seat plug / micrometer
- Compatible Cartridges: 300 AAC Blackout, 300 Savage, 303 British, 7.5×55 Swiss, 300/221 Remington, 300 Norma Magnum, 30 Remington AR, 308 Marlin Express, 300 Winchester Magnum, 351 Winchester S.L.
- Compatibility Note: Not for use with Redding Competition Seating Dies
What’s Included
- Redding #19 Standard Bullet Seating Micrometer with seat plug
Frequently Asked Questions
Will the #19 Standard Bullet Seating Micrometer fit my seating die?
It's built for Redding seating dies that use a 1/2-20 thread seat plug, and the #19 is matched to a specific group of cartridges including 300 Blackout, 303 British, 300 Savage, and 300 Winchester Magnum, among others. You just remove your original seat plug and thread this micrometer in its place. It is not designed to work with Redding Competition Seating Dies, since those already come with a micrometer.
What's the difference between the standard and VLD versions of this micrometer?
This #19 is the standard (STD) version, shaped for traditional bullet profiles. The VLD version carries a different part number and is contoured for very-low-drag bullets. If you're loading conventional bullet shapes, the STD micrometer is the one you want.
How precise is the seating adjustment on the #19 micrometer?
The micrometer is marked in thousandths of an inch, so you can set and read your seating depth down to 1/1000 of an inch. Just as useful, you can record a setting, change it, and dial right back to it later without re-measuring. That repeatability is what makes it so handy when working up loads.
Can I move the #19 micrometer between different dies?
Yes. It's a direct replacement for the original seat plug and swaps from one compatible die to another with no trouble. As long as the die uses the 1/2-20 thread plug and falls within the #19 cartridge group, you can share a single micrometer across your setups.




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