Description
IMR 4227 is a premium, single-base smokeless powder designed for magnum pistol and small rifle cartridges. This versatile 1lb canister is a top choice for reloaders seeking consistent metering and clean-burning performance in demanding applications like .357 Magnum and .22 Hornet. Serious shooters trust IMR 4227 for its reliable pressure curve and excellent velocity, making it a cornerstone propellant for precision handloading.
Key Features
- Compatibility: Ideal for magnum pistol and small rifle cartridges (e.g., .357 Mag, .22 Hornet)
- Material: High-quality, single-base nitrocellulose smokeless powder
- Finish: Standard extruded powder granule
- Operation: Provides consistent burn rate for reliable ballistic performance
- Installation: For handloading use only; requires proper reloading equipment and data
- Package Contents: One (1) sealed 1lb canister of IMR 4227 smokeless powder
- Ships From: United States — within 24 hours
Product Specifications
| Compatible Models | Magnum pistol & small rifle cartridges (e.g., .357 Mag, .22 Hornet) |
|---|---|
| Material | Single-base nitrocellulose smokeless powder |
| Finish / Color | Standard extruded granule |
| Operation Type | Consistent-burning propellant for handloading |
| Installation | For use with reloading presses and equipment |
| Package Contents | 1lb canister of IMR 4227 powder |
| Shipping | USA domestic — discreet packaging |
At Tactical Glock Co, we source our IMR powders directly from authorized distributors to ensure you receive genuine, fresh, and properly stored product. Our team understands the critical importance of consistent powder lot-to-lot performance for precision reloading. We verify all shipments and recommend you always consult and cross-reference current, published reloading data from trusted manuals for safe and optimal results.
Frequently Asked Questions
What firearms is this compatible with?
IMR 4227 is a propellant, not a firearm part. It is designed for reloading magnum pistol cartridges like .357 Magnum and .41 Magnum, as well as small rifle cartridges such as the .22 Hornet. Always consult a published, current reloading manual for specific cartridge and load data.
Is installation difficult?
This is a reloading component, not an installed part. Using it requires a full reloading press setup, precise scales, and in-depth knowledge of safe reloading practices. It is not a drop-in component for any firearm.
How long does delivery take?
Orders ship within 24 hours from our US facility in discreet, unmarked packaging with no logos or labels. Most domestic orders arrive within 3–5 business days via tracked shipping.
What is the burn rate of IMR 4227?
IMR 4227 is classified as a slow-burning powder for its intended cartridge classes. It is slower than many pistol powders but faster than most full-power rifle powders, making it excellent for achieving high velocities in magnum pistol and small rifle cases.
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