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IMR 942271 4227 1 LB. CAN
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
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SKU: 942271-754486054056
Overview
IMR 4227 is a medium burn speed propellant suited to reloaders working with magnum pistol cartridges and select small rifle applications. It is positioned for use where true magnum performance is the goal, and it is also described as delivering excellent velocity and accuracy in cartridges such as the 22 Hornet and 221 Fireball. This 1 lb. can is a practical option for shooters who want a versatile powder for load development within the guidance of a reloading manual or powder manufacturer data.
Why Hunters Choose the Imr
Medium Burn
Speed formulation suited to magnum
Positioned True
Magnum velocities and performance in
Also Listed
For rifle use in cartridges
Supports Rifle
Loading in .221 Fireball according
One-pound Can
Size is convenient for testing
Key Features
- Medium burn speed magnum pistol propellant
- Designed for true magnum velocities and performance in magnum pistols
- Also suitable for rifles chambered in 22 Hornet
- Also suitable for rifles chambered in 221 Fireball
- Check a reloading manual or powder manufacturer website for load data
Best Used For
- Reloaders working with magnum pistol cartridges needing a medium burn speed propellant
- Hunters loading rifles in 22 Hornet or 221 Fireball for accurate, consistent results
- Experienced handloaders who follow published load data and manual guidance closely
- Shooters seeking one powder option for both magnum pistols and select small rifles
Specifications
| Burn Speed | Medium |
|---|---|
| Load Data Note | Check your reloading manual or go to a powder manufacturer's website for load data |
| Powder Type | Medium burn speed, magnum pistol propellant |
| Product Type | Propellant |
| Rifle Cartridge Compatibility | 22 Hornet; 221 Fireball |
| Use | Pistol and rifle |
| Weight | 1 lb. |
Pros
- Medium burn speed formulation suited to magnum pistol applications.
- Positioned for true magnum velocities and performance in compatible pistols.
- Also listed for rifle use in cartridges such as .22 Hornet.
- Supports rifle loading in .221 Fireball according to the product description.
- One-pound can size is convenient for testing or smaller reloading needs.
Considerations & Trade-offs
- IMR 4227 is described as a medium burn speed propellant, so it is geared toward specific magnum pistol and select rifle applications rather than broad, all-purpose use.
- The product description points hunters and reloaders to published load data; it is not presented with ready-to-load charge information.
- Its rifle use is specifically called out for cartridges such as the .22 Hornet and .221 Fireball, so fit depends on the cartridge and intended application.
- The listing emphasizes magnum pistol performance, which suggests it may be more specialized than powders chosen for general handgun or rifle loading.
Suggested Comparisons
- Reloading powder
- Magnum pistol propellant
- Small-caliber rifle powder
- Handloading components
Suggested Accessories
- Reloading manual
- Powder scale
- Powder measure
- Reloading press
Frequently Asked Questions
What type of propellant is IMR 4227?
IMR 4227 is described as a medium burn speed, magnum pistol propellant.
What kinds of firearms or cartridges is it intended for?
The product description says it is suited for magnum pistol use, and in rifles it is listed for cartridges such as the .22 Hornet and .221 Fireball.
Does the product provide load data?
No load data is included in the product description. It directs users to check a reloading manual or the powder manufacturer’s website for load data.
Is this powder only for pistols?
No. The description identifies it as a magnum pistol propellant, but it also states that it delivers excellent velocity and accuracy in certain rifle cartridges, including the .22 Hornet and .221 Fireball.
What size container is this product sold in?
The product title identifies it as a 1 lb. can.