Kansas Gunshop is a Wichita, KS-based retailer specializing in reloading components and firearms. The CCI™ Magnum Large Rifle Primers offer reliable and consistent ignition for magnum rifle cartridges. Their No. 250 designation indicates they are specifically engineered for larger powder charges. Available now for $250.
Reviewed by Derek, Owner & FFL Holder at Kansas Gunshop. Kansas-licensed FFL dealer since 2008, NRA Range Safety Officer.
Last updated: April 2026
What are the specifications for CCI™ Magnum Large Rifle Primers?
| Product Type | Magnum Large Rifle Primers |
|---|---|
| Material | Non-corrosive primer mix, brass cup |
| Manufacturing | Automated assembly, stringent quality control |
| Finish | Standard brass |
| Hardness/Quality | Engineered for magnum loads, consistent sensitivity |
| Compatibility | Rifles requiring large rifle primers with magnum powder charges |
| Installation/Usage | Standard reloading presses and primer seating tools |
| Weight | Approximately 0.005 lbs per 100 primers (estimated) |
| Dimensions | Standard large rifle primer dimensions (SAAMI spec) |
| Country of Origin | USA |
| Condition | New |
| SKU | CCI250 |
What makes these primers a practical choice for reloaders?
When you’re loading up magnum rifle cartridges, you need a primer that can handle the increased powder charge and provide a consistent, hot ignition. These CCI™ Magnum Large Rifle Primers, specifically the No. 250, are designed for just that. We’ve seen these used in everything from .300 Win Mag to .338 Lapua, and they perform. The non-corrosive mix means less wear and tear on your firearm over time, which is always a plus, especially if you’re out in the field for deer or elk season here in Kansas. The brass cups are consistent, which translates to fewer seating issues on your press. Reliability is key when you’re trying to achieve tight groups, and a consistent primer is the foundation of that.
These aren’t just for target shooting; if you’re loading hunting rounds, you need that confidence that your primer will ignite every time, regardless of temperature fluctuations. I’ve personally used CCI primers for years, and they hold up. The packaging is standard, 100 primers to a tray, 10 trays to a box – easy to store and keep organized in your reloading room. For anyone serious about magnum rifle reloading, these CCI magnum large rifle primers are a solid component to build your loads around.
Who should consider these primers, and who might look elsewhere?
Buy it if:
- ✅ You reload magnum rifle cartridges like .300 Win Mag, .338 Lapua, or similar, that require a hotter primer for complete powder ignition.
- ✅ You prioritize consistent ignition and reliability for hunting or long-range shooting.
- ✅ You are looking for CCI magnum large rifle primers specifically, known for their quality.
- ✅ You want a readily available and trusted brand for your reloading components.
- ✅ You appreciate a non-corrosive primer formulation to protect your firearms.
Skip it if:
- ❌ You only reload standard rifle cartridges (e.g., .223 Rem, .308 Win) and don’t require a magnum primer. (See our standard large rifle primers for alternatives).
- ❌ You are looking for large pistol primers, magnum or otherwise. (These are rifle primers; see our large pistol primers for alternatives like CCI magnum large pistol primers No. 350).
- ❌ Your budget is extremely tight, as premium primers like these come at a higher price point.
How do CCI™ Magnum Large Rifle Primers compare to other options?
| Feature | CCI™ Magnum Large Rifle Primers (No. 250) | Winchester Large Rifle Magnum Primers | Wolf Large Rifle Magnum Primers |
|---|---|---|---|
| Material | Non-corrosive mix, brass cup | Non-corrosive mix, brass cup | Non-corrosive mix, brass-plated steel cup |
| Quality | High, consistent ignition for magnum loads | High, reliable ignition, often slightly softer cup | Good, budget-friendly, harder cup |
| Compatibility | Magnum rifle cartridges (e.g., .300 Win Mag, .338 Lapua) | Magnum rifle cartridges | Magnum rifle cartridges |
| Shipping | FFL transfer required (Kansas Gunshop) | Often FFL transfer required | Often FFL transfer required |
| Lifespan/Durability | Excellent, designed for long-term storage | Excellent | Good |
| Price (Approx.) | $250 per 1000 | ~$200-220 per 1000 | ~$150-180 per 1000 |
Frequently Asked Questions about Primers
What’s the difference between CCI™ Magnum Large Rifle Primers No. 250 and CCI™ Magnum Large Pistol Primers No. 350?
The primary difference is their intended use and size. CCI™ Magnum Large Rifle Primers No. 250 are designed for rifle cartridges with larger powder capacities and require a hotter, more sustained flame to ignite the charge. CCI™ Magnum Large Pistol Primers No. 350 are for pistol cartridges, which typically have smaller powder charges and different pressure requirements. They are also physically different in size, so they are not interchangeable.
Can I use standard large rifle primers instead of CCI™ Magnum Large Rifle Primers in my magnum loads?
It is generally not recommended. Magnum rifle cartridges are designed to use larger powder charges that require a hotter and often longer-duration flame from a magnum primer for complete and consistent ignition. Using a standard large rifle primer in a magnum load can lead to inconsistent ignition, unburnt powder, and potentially lower velocities. Always follow your reloading manual’s recommendations for primer type.
Are these CCI™ Magnum Large Rifle Primers suitable for all magnum rifle calibers?
These primers are suitable for most common magnum rifle calibers that utilize a large rifle primer pocket, such as .300 Win Mag, 7mm Rem Mag, .338 Win Mag, and .338 Lapua Magnum. However, always consult your specific reloading manual for the exact primer recommendation for your chosen powder and bullet combination. Some very large or specialized magnum cartridges might have unique primer requirements.
Do CCI™ Magnum Large Rifle Primers affect accuracy?
Consistent primer ignition is a critical factor in achieving good accuracy. A reliable primer like the CCI™ Magnum Large Rifle Primer No. 250 ensures that each powder charge ignites uniformly, leading to consistent chamber pressures and muzzle velocities. This consistency directly contributes to tighter groups downrange. Inconsistent primers can lead to flyers and wider shot dispersion.
How should I store my CCI™ Magnum Large Rifle Primers?
Primers should be stored in their original packaging, in a cool, dry place, away from direct sunlight, extreme temperatures, and any sources of ignition. Avoid storing them near chemicals or solvents. Proper storage helps maintain their integrity and ensures reliable performance over time. Treat them with care, as they are sensitive components.
Where can I buy rifle primers online?
You can purchase rifle primers, including these CCI™ Magnum Large Rifle Primers, directly from Kansas Gunshop at kansas-gunshop.com. We are a licensed FFL dealer and handle transfers and shipping in compliance with all federal and state regulations, including here in Kansas.
What’s the typical shelf life of CCI™ Magnum Large Rifle Primers?
When stored properly in a cool, dry environment, CCI™ Magnum Large Rifle Primers can have a very long shelf life, often many decades. The non-corrosive nature of the priming compound and the robust brass cup contribute to their longevity. Avoid exposure to moisture, extreme heat, or rapid temperature changes to ensure maximum shelf life.
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Last updated: April 2026
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