45 Winchester Magnum Brass - Part #749018131
Experience unmatched reliability and performance with the authentic 45 Winchester Magnum Brass (part number 749018131). Engineered to meet the exact specifications of the iconic Winchester .45 Magnum cartridge, this premium brass casing delivers the perfect foundation for handloaders, competitive shooters, and firearms enthusiasts who demand precision and consistency.
Key Features & Benefits
- Original Equipment Manufacturer (OEM) Quality: Produced to Winchester’s exacting standards, ensuring a flawless fit and finish every time.
- Durable Brass Construction: High‑grade brass provides superior corrosion resistance and long‑term reusability for multiple reload cycles.
- Consistent Case Dimensions: Precise headstamp, neck, shoulder, and base dimensions guarantee reliable chambering and optimal ballistic performance.
- Ideal for Reloading: Perfect for both novice and experienced reloaders seeking consistent case volume and uniform wall thickness.
- Compatible with All 45 Winchester Magnum Loads: Works seamlessly with factory and custom load data for maximum versatility.
- Enhanced Safety: Meets all SAAMI specifications for pressure and headspace, reducing the risk of case failures.
Technical Specifications
| Cartridge | 45 Winchester Magnum (45 Win Mag) |
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| Case Material | Premium Brass |
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| Case Length | 1.285 inches (32.64 mm) |
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| Overall Length | 1.598 inches (40.58 mm) |
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| Base Diameter | 0.506 inches (12.86 mm) |
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| Rim Diameter | 0.610 inches (15.49 mm) |
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| Weight (unloaded) | ≈ 26.5 grains (1.72 g) |
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| Headstamp | WINCHESTER / 45 MAG |
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| Part Number | 749018131 |
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Why Choose 45 Winchester Magnum Brass?
Whether you’re loading for a hunting expedition, a competitive shooting match, or personal defense, the 45 Winchester Magnum Brass offers the confidence that comes from using a component built to the original factory specifications. Its consistent internal volume and uniform wall thickness lead to repeatable velocity and accuracy, while the high‑quality brass reduces the need for frequent case inspections.
Recommended Reloading Practices
- Inspect each case for dents, cracks, or signs of corrosion before use.
- Trim to the specified length (1.285") using a calibrated case trimmer.
- Deburr and chamfer the case mouth for smooth bullet seating.
- Apply a reliable primer and follow load data from reputable reloading manuals.
- Conduct a pressure check with a reliable chronograph to ensure safe performance.
Compatibility & Usage
This brass is fully compatible with all standard 45 Winchester Magnum firearms, including:
- Winchester Model 1912 and 1917 pump‑action rifles
- Winchester Model 70 and 71 bolt‑action rifles chambered in .45 Win Mag
- Various custom and aftermarket rifles built on the .45 Win Mag platform
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Customer Assurance
Our inventory is stocked directly from trusted distributors, guaranteeing authenticity and freshness. Each batch undergoes rigorous quality control to ensure that you receive the highest standard of brass for your reloading projects.
Upgrade your reloads with genuine 45 Winchester Magnum Brass today and enjoy the precision and reliability that only a factory‑spec component can deliver.
