🔥 CCI Large Pistol Primers No. 300

🔥 CCI Large Pistol Primers No. 300 – Complete Overview

---

✅ Manufacturer:

CCI (Cascade Cartridge Inc.)

• Based in Lewiston, Idaho, USA

• Trusted for consistent, non-corrosive, and clean-igniting primers

• Known for producing high-quality primers for reloaders and commercial ammunition manufacturers

---

✅ Primer Classification:

---

✅ Key Use Cases:

CCI 300 primers are used for standard large pistol loads, offering consistent ignition with a wide range of powders. These primers are widely used for:

• Target shooting

• Self-defense handloads

• General-purpose plinking

• Medium-pressure revolver and semi-auto loads

---

✅ Compatible Cartridges:

⚠️ For full-power magnum loads in cartridges like .44 Magnum, .454 Casull, or .460 S&W, use CCI 350 (Magnum Large Pistol Primers) instead.

---

✅ Performance Characteristics:

🔹 Standard Flame Strength

• Designed to reliably ignite fast to medium burn-rate powders like:

  • Bullseye

  • Unique

  • Titegroup

  • HP-38

  • Power Pistol

  • N320 / N340

🔹 Clean-Burning

• Minimizes fouling in revolvers and semi-autos

• Helps preserve bore condition and reduces cleaning intervals

🔹 Reliable Sensitivity

• Engineered for reliable ignition with a variety of firing pin strengths

• Performs well in both hammer-fired and striker-fired handguns

🔹 Tough Enough for Repeated Firing

• Cup strength resists deformation or piercing under standard loads

• Compatible with both hand priming tools and progressive reloaders

---

✅ Primer Cup & Seating Notes:

• Standard Large Pistol diameter: 0.210 inches

• Depth should be seated 0.003–0.006” below flush

• Use with clean primer pockets for optimal ignition uniformity

Works well with:

• Dillon, RCBS, Lee, Hornady presses

• Hand-priming tools with adequate leverage

---

✅ Typical Load Use Examples:

(Always consult published reloading manuals for verified data.)

---

✅ Comparison with Other CCI Pistol Primers:

---

✅ Best Powder Compatibility:

Great with fast to medium powders:

• Hodgdon: Titegroup, HP-38, Longshot

• Alliant: Bullseye, Unique, Power Pistol

• Vihtavuori: N320, N340

• Winchester: 231, WST

Not ideal for:

• Magnum powder loads like H110, 2400, or Lil’ Gun (use CCI 350 instead)

---

✅ Storage & Handling:

• Store in a cool, dry place (away from solvents and oils)

• Keep in original packaging to avoid static or mechanical damage

• Avoid excessive vibration or impact — primers are sensitive energetic materials

---

✅ Packaging:

• Available in:

  • 100-count trays

  • 1,000-count bricks (10 trays of 100)

  • 5,000-count cases (bulk packaging for competitive shooters and high-volume reloaders)

---

✅ Why Choose CCI 300 Primers?

✅ Trusted by reloaders for decades
✅ Consistent ignition and clean burn
✅ Ideal for standard-pressure handgun loads
✅ Works across multiple handgun platforms
✅ Excellent compatibility with many popular powders

---

⚠️ When NOT to Use CCI 300:

• For magnum revolvers and max-pressure loads (use CCI 350)

• For rifle cartridges requiring rifle cup strength

• If your load specifically requires a magnum primer