Product Overview and Introduction

Achieve absolute ignition reliability, consistent burn rates, and dependable velocity across heavy magnum handgun calibers with CCI Small Pistol Magnum Primers #550. Specifically engineered for high-pressure magnum cartridges and slow-burning ball powders, CCI #550 primers deliver a hotter, longer-duration flame necessary to completely and uniformly ignite large propellant charges in adverse conditions.

Whether you are handloading blistering full-power loads for the .357 Magnum, crafting high-performance hunting ammunition for the .44 Magnum, or developing high-capacity rounds for calibers like the .357 SIG and 10mm Auto, CCI Small Pistol Magnum Primers provide the dependable, clean-burning foundation required by competitive shooters and reloading enthusiasts.

Advanced CCI Priming Technology and Consistency

Built to CCI’s rigorous manufacturing standards, the #550 primer incorporates advanced priming mix technology designed to deliver distinct advantages on the reloading bench and at the range:

• Hotter Magnum Flame Profile: Engineered with a hotter, more concentrated brisance to ensure complete combustion of dense, slow-burning pistol propellants.

• Non-Corrosive and Non-Mercurial: Clean-burning chemical formulation protects your barrel and action from premature corrosion and pitting.

• Consistent Cup Dimensions: Precision-formed copper-alloy cups ensure uniform seating depth and reliable fit in standard small pistol primer pockets.

• Exceptional Sensitivity Tolerance: Designed for smooth, dependable feeding in automated progressive reloading presses without sacrificing drop-safety.

The Professional Choice for Magnum Handgun Handloaders

When your high-pressure revolver loads or high-velocity semi-automatic pistol rounds demand an uncompromising, hot-spark primer to eliminate hangfires and erratic velocity swings, CCI Small Pistol Magnum Primers #550 stand out as the definitive industry standard for the reloading bench.

Key Features and Benefits

• Magnum Caliber Specialist: Purpose-built for high-pressure cartridges including .357 Magnum, .44 Magnum, .357 SIG, and 10mm Auto.

• Ball Powder Compatibility: Provides the intense thermal energy required to reliably ignite dense spherical and slow-burning pistol powders.

• Quality Control: Rigorously tested for consistency in sensitivity and chemical composition.

• Available Packaging: Offered in a standard 1,000-count box (10 trays of 100).

Specifications

• Product Type: Handgun Primer

• Brand: CCI (Cascades Cartridge Inc.)

• Primer Size: Small Pistol Magnum (#550)

• Primary Applications: .357 Magnum, .44 Magnum, .357 SIG, 10mm Auto, and High-Pressure Handgun Cartridges

• Packaging: Box of 1,000 Primers (10 Sleeves of 100)

• Storage Requirement: Store in a cool, dry place away from heat, sparks, and open flames