Description
If you care about consistent primer seating, the feel of the tool in your hand matters more than almost anything else, and that's exactly where the Sinclair Priming Tool earns its reputation. It's a single-feed hand tool built for the reloader who wants to seat every primer by feel, bottoming it in the pocket and leaving it just below flush. The main body, head, and punch housings are machined from stainless steel, the handle is cut from aircraft-grade aluminum, and the pins and pushrod are hardened. There are no plastic parts anywhere, which is a big reason these tools get passed down rather than thrown out.
How the Sinclair Priming Tool Seats a Primer
The head locks the case head square to the seating punch, which keeps everything concentric and takes the guesswork out of alignment. You thread the shellholder down to clamp the case, then use the lever to feel the primer slide into the pocket and bottom out. That tactile feedback is the whole point here. Apply slow, steady pressure rather than forcing it, and you'll get repeatable seating depth round after round. It comes with housings and punches for both large and small primers, so you're covered for rifle and pistol work right out of the gate.
Why Precision Reloaders Reach for the Sinclair Hand Primer
This isn't a speed tool and it was never meant to be. There's no primer reservoir, so you feed one primer at a time, which is part of why it delivers the feel it's known for. Benchrest and precision crowd love it for load development and range priming because it's compact, stows easily, and gives that no-plastic, dead-consistent feedback batch after batch. If you're loading hundreds of plinking rounds, a reservoir-fed primer will move faster, but for accuracy-focused work this is tough to beat.
One thing to know before you order: the tool uses Sinclair Priming Tool shellholders, which are sold separately, and with the universal head it also accepts Lee Auto Prime shellholders. Pick up the holders for the cartridges you load most and you'll be set.
Key Specifications
- Manufacturer: Sinclair International
- Model / MPN: PT2000
- UPC: 050806110861
- Tool Type: Hand priming tool, single primer feed
- Body / Head / Punch Housings: Stainless steel
- Handle: Aircraft-grade aluminum
- Pins & Pushrod: Hardened
- Primer Sizes: Large and small
- Shellholder Type: Sinclair Priming Tool shellholders (universal head also accepts Lee Auto Prime holders)
- Plastic Parts: None
What’s Included
- Sinclair stainless steel priming tool
- Large primer housing and punch
- Small primer housing and punch
- Instructions
Frequently Asked Questions
Does the Sinclair priming tool come with shellholders?
No, shellholders are sold separately. The tool ships with the housings and punches for both large and small primers, but you'll need to add the Sinclair Priming Tool shellholders for the cartridges you load. If you run the universal head, Lee Auto Prime shellholders will also fit.
Can the Sinclair priming tool handle both large and small primers?
Yes. It includes housings and punches for both large and small primer sizes, so it covers most rifle and pistol work. Swapping between the two is straightforward on the bench.
Is this Sinclair hand primer good for high-volume reloading?
It's built for precision rather than speed, since you feed one primer at a time and thread the case down to lock it square. Precision and benchrest loaders love it for the consistent, by-feel seating. If you're priming hundreds of plinking rounds at a sitting, a reservoir-fed tool will move faster.
Why does the Sinclair priming tool cost more than a basic hand primer?
It's machined from stainless steel and aircraft-grade aluminum with hardened pins and pushrod, and there are no plastic parts to wear out or break. That construction is why handloaders tend to keep these for decades. The payoff is the alignment and tactile feedback that make seating depth repeatable.




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