IMR 4198 Smokeless Powder: Premium Propellant for Precision Reloading
IMR 4198 smokeless powder represents the gold standard in reloading propellants, offering shooters exceptional consistency and versatility. This fast-burning powder is specifically engineered for rifle and handgun cartridges where maximum velocity and accuracy are paramount. Whether you’re loading for varmint hunting, target competition, or recreational shooting, IMR 4198 delivers the reliable performance that serious reloaders demand.
Key Features and Benefits
- Fast-Burning Formula: IMR 4198’s quick ignition characteristics make it ideal for smaller capacity cases and reduced loads, providing excellent ballistic performance across various applications.
- Temperature Stability: Engineered to maintain consistent burn rates across different environmental conditions, ensuring reliable performance whether you’re shooting in summer heat or winter cold.
- Clean Burning: Minimizes fouling and residue in your firearm’s barrel, reducing cleaning time and extending barrel life between maintenance sessions.
- Versatile Applications: Suitable for a wide range of rifle and handgun cartridges including .223 Remington, .308 Winchester, .30-30 Winchester, and many popular varmint hunting rounds.
- Consistent Lot-to-Lot Performance: IMR’s rigorous quality control ensures each batch meets exacting standards, giving reloaders confidence in their ammunition’s performance.
Technical Specifications
IMR 4198 is classified as a fast-burning spherical powder with excellent metering characteristics through powder measures. Its consistent granule size and density allow for precise charge weights, contributing to the exceptional accuracy that competitive shooters and hunters appreciate. The powder’s formulation provides excellent ignition characteristics even in cold weather conditions.
Recommended Applications
This powder excels in:
- Varmint hunting cartridges (.17 Remington, .204 Ruger, .22 Hornet)
- Small to medium rifle cartridges (.223 Remington, .30-30 Winchester)
- Reduced loads for larger rifle cartridges
- Certain handgun cartridges where fast-burning powders are appropriate
Why Buy from The Guns Warehouse?
FAQ: Why should I purchase reloading components from The Guns Warehouse?
- Expertise: Our team includes experienced reloaders who understand the nuances of different powders and their applications.
- Quality Assurance: We source directly from reputable manufacturers and distributors, ensuring you receive genuine, fresh products.
- Competitive Pricing: We work hard to offer fair prices on all reloading components while maintaining excellent service.
- Secure Shipping: All powder shipments comply with ATF regulations and carrier requirements for safe delivery to your door.
- Customer Support: Have questions about reloading? Our knowledgeable staff is ready to help you select the right components for your specific needs.
For all your reloading supplies, trust The Guns Warehouse to provide quality products, expert advice, and reliable service.
Storage and Safety Information
Always store smokeless powder in a cool, dry place away from heat sources and open flames. Keep in original container with lid securely fastened. Follow all manufacturer loading data and safety guidelines when reloading. Never exceed recommended maximum charges.

Note: Always consult current reloading manuals for specific charge weights and loading data. Start with minimum recommended charges and work up carefully while watching for pressure signs.
| Powder Type | Smokeless Rifle/Handgun Powder |
| Container Size | 1 lb (approximately 7,000 grains) |
| Burn Rate | Fast |
| Powder Form | Spherical |
| Manufacturer | IMR (Hodgdon) |
| Primary Applications | Rifle and handgun cartridges |
| Temperature Stability | Excellent |
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