Description
The 22 Creedmoor has earned its spot with varmint hunters and long-range folks alike, and starting with the right brass is half the battle. This HSM offering (part number 22CREEDEUP-50) is Starline-made, unprimed brass packaged 50 to a bag, purpose-built for the round instead of forcing you to neck down 6mm or 6.5 Creedmoor cases on your bench. That saves you a step and gives you correct neck wall thickness from the start.
Why the 22 Creedmoor Brass Makes Sense
The 22 Creedmoor is basically a 6.5 Creedmoor necked down to .22 caliber, and that lineage is exactly what makes it so appealing. It runs a wide spread of bullet weights, from screaming-fast lightweights to heavier-for-caliber pills, which is why it pulls double duty as a varmint and long-range cartridge. Light recoil, a flat trajectory, and the ability to buck wind have made it a favorite for coyote and predator hunters who want reach without a beating on the shoulder.
What You Get With HSM Starline 22 Creedmoor Cases
Starline has been making brass for over 40 years, and their whole approach leans toward quality over volume. These cases come new and unprimed, so you're free to prep and prime them to your own load recipe. Expect consistent case dimensions, good uniformity from piece to piece, and brass that stands up to repeated firings when you keep your loads and prep in check. That kind of consistency is what keeps your charges, pressures, and velocities predictable across a string.
Getting the Most From Your 22 Creedmoor Reloading Brass
Since these arrive unprimed and unprepped, plan on the usual first-fire routine: inspect, chamfer and deburr the case mouths, and run them through your dies before loading. Slower-burning powders like H1000 and RL26 tend to shine in this case, so build your workup around what your barrel likes. Treat the brass right and you'll get plenty of life out of each piece, which is a big part of why so many folks reload the 22 Creedmoor in the first place.
Key Specifications
- Caliber: 22 Creedmoor
- Condition: New, Unprimed
- Case Material: Brass
- Manufacturer: HSM (Starline)
- Manufacturer Part Number: 22CREEDEUP-50
- UPC: 850079588455
- Primer Pocket: Large Rifle
- Flash Hole: .080 in
- Made In: USA
- Product Type: Reloading Brass
What’s Included
- 50 unprimed 22 Creedmoor brass cases
Frequently Asked Questions
Is this HSM 22 Creedmoor brass primed or ready to load?
It comes new and unprimed, so it's brass cases only, not loaded ammunition. You'll need to prep, prime, charge, and seat bullets to your own load data before firing. That gives you full control over your components and recipe.
Do I need to do any prep before loading these 22 Creedmoor cases?
Like most new unprimed brass, it's smart to inspect each case, chamfer and deburr the case mouths, and size them before your first load. A quick pass through your dies gets everything uniform and ready. Many reloaders also give the primer pockets a light uniforming to keep seating consistent.
What's the advantage of buying dedicated 22 Creedmoor brass over necking down 6.5 Creedmoor?
Necking down a larger case to .22 often leaves neck walls thicker than ideal and adds extra steps to your prep. Purpose-built 22 Creedmoor brass starts with the correct neck dimensions, so you skip the forming work and get more consistent results out of the gate.
What kind of shooting is the 22 Creedmoor good for?
It's a versatile round that shines for varmint and predator hunting as well as long-range target work. The flat trajectory, light recoil, and strong wind performance make it a popular pick for coyotes and reaching out to distance without much punishment on the shoulder.





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