Winchester Ammo WSPM Small Magnum Pistol Primers - 5000 count - WSPM

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Winchester Ammo WSPM Small Magnum Pistol Primers - 5000 count quantity

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Elevate your reloading precision with the Winchester Ammo WSPM Small Magnum Pistol Primers in a massive 5000-count bulk pack. Designed for demanding magnum loads, these non-corrosive primers ensure fast, dependable ignition even in extreme conditions, making them the go-to choice for serious shooters and reloaders seeking consistent performance without compromise.

Key Features

• Non-Corrosive Formulation: Protects your firearm’s bore and components from corrosion, extending barrel life and maintaining accuracy over thousands of rounds.
• All-Weather Reliability: Engineered to perform flawlessly in temperatures and humidity far beyond typical shooting environments, delivering instant ignition regardless of weather.
• Enhanced Sensitivity: Provides more positive firing in all firearms, reducing the risk of misfires and ensuring every shot counts during critical sessions.
• Precise Manufacturing: Features carefully controlled primer mixture weights, consistent sizing, and exact anvil height tolerances for uniform burn rates and velocity.
• Rigorous Testing: Undergoes extensive lab evaluation for sensitivity and consistency, guaranteeing stability in diverse storage and usage scenarios.

Specifications

• Primer Type: Small Magnum Pistol (#1-1/2M)
• Quantity: 5000 per case (typically 5 trays of 1000)
• Cup Material: Brass with bronze-colored sealant for durability
• Size Compatibility: Standard small pistol primer pocket (0.175″ diameter)
• Weight: 128 oz (case)
• Dimensions: 18.6″ L x 7.8″ W x 4.9″ H

Why Choose Winchester WSPM Primers

In the world of reloading, inconsistent primers can lead to frustrating misfires, velocity variations, or even safety issues in high-pressure magnum loads. Winchester addresses these pain points head-on with WSPM primers, which offer superior hot ignition tailored for cartridges like .357 Magnum and .44 Magnum. Unlike standard primers, these magnum variants provide the extra energy needed for slower-burning powders, resulting in tighter groups and more predictable ballistics. Reloaders praise their ease of seating and low failure rates, making bulk purchases ideal for high-volume production. Whether you’re competing, hunting, or training, these primers minimize downtime and maximize shot-to-shot reliability, all while fitting seamlessly into your existing small pistol reloading setup.

Stock up on Winchester WSPM Small Magnum Pistol Primers today and experience the difference in your next reloading project—precision you can trust, performance that delivers.

Frequently Asked Questions

What calibers are these primers suitable for? Ideal for small pistol magnum cartridges such as .357 Magnum, .38 Special +P, and .44 Magnum. They can also work in standard loads like 9mm, but always consult load data and start with reduced charges.

How should I store these primers? Keep in a cool, dry location away from heat sources, moisture, and open flames. Use original packaging to prevent contamination and ensure longevity up to 10 years or more.

Are these primers lead-free? Winchester WSPM primers use a standard non-mercuric, non-corrosive compound. For specific composition details, refer to the manufacturer’s safety data sheet.

Compliance

NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.

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