Production of IMR 4227 Powder dates back over 200 years when the company was originally founded by E.I DuPont. Available for use in many reloading applications, the IMR series of powder is trust by reloaders all across the globe.
IMR 4227 is the Magnum Pistol Powder in the IMR lineup. If it says Magnum, IMR 4227 is the choice for true magnum velocities and performance. In rifles this powder delivers excellent velocity and accuracy in such cartridges as the 22 Hornet and 221 Fireball.
Important Information:
Do not exceed the loads displayed in the reloaders guide.
Never mix any two powders regardless of type, brand, or source.
Never substitute any smokeless powder for Black Powder or any Black Powder substitute.
IMR logo
warning-icon WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.
| Quantity | 1 Pound, 8 Pound |
|---|
97 reviews for IMR 4227 Smokeless Gun Powder
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Benjamin Rogers (verified owner) –
jeff davis –
We’re glad you are satisfied with our item! Will do our best to keep improving it in the future.
Julian Rogers (verified owner) –
“Fantastic reloading powder! It provides reliable performance and a clean burn, which has significantly improved my shooting accuracy.”
jeff davis –
We’re glad you are satisfied with our item! Will do our best to keep improving it in the future.
Ellie Thompson (verified owner) –
“This reloading powder is exceptional. It delivers reliable results and a clean burn, making it a valuable addition to any reloading setup.”
jeff davis –
Your kind words just made our days! Thank you so much!
Zachary Foster (verified owner) –
“This reloading powder is fantastic. It provides consistent results and a clean burn, making it a valuable addition to my reloading supplies.”
jeff davis –
We’re glad you are satisfied with our item! Will do our best to keep improving it in the future.
Elijah Gray (verified owner) –
“Exceptional quality and reliability. This powder delivers consistent results and a clean burn, making it ideal for all types of reloading.”
jeff davis –
Thank you so much for taking the time to leave us a 5-star rating – it’s much appreciated!
Madison Howard (verified owner) –
“This reloading powder is outstanding. It delivers reliable performance and consistent accuracy, making it perfect for all reloading applications.”
jeff davis –
Thank you for your kind review! It’s a big encouragement to us!
Levi Perry (verified owner) –
“One of the best powders I’ve used. It provides consistent accuracy and a clean burn, which has greatly improved my shooting performance.”
jeff davis –
We love your feedback! Thank you for choosing our product!
Addison Brown (verified owner) –
“Fantastic quality and performance. This powder provides a clean burn and consistent results, making it ideal for all reloading needs.”
jeff davis –
Your kind words just made our days! Thank you so much!
Sophia Perry (verified owner) –
“One of the best powders available. It provides reliable performance and a clean burn, making it ideal for all types of reloading applications.”
jeff davis –
We love your feedback! Thank you for choosing our product!
Gabriel Scott (verified owner) –
“I’m thrilled with this powder. It offers reliable performance and consistent results, making it an essential part of my reloading setup.”
jeff davis –
We appreciate you taking the time to share your satisfaction and highest rating with us.
Brayden Morgan (verified owner) –
“One of the best powders I’ve used. It delivers reliable performance and consistent results, making it a valuable addition to my reloading supplies.”
jeff davis –
Your kind words just made our days! Thank you so much!
Victoria Hughes (verified owner) –
“I’m very satisfied with this powder. It delivers reliable performance and consistent results, making it a great choice for reloading.”
jeff davis –
We appreciate you taking the time to share your satisfaction and highest rating with us.
Logan Jenkins (verified owner) –
“Fantastic reloading powder! The performance and consistency are outstanding. It’s easy to use and provides excellent results in all my reloads. Highly recommend to all reloaders!”
jeff davis –
Thank you so much for your 5-star review! We will share this with the store team to let them know to keep up the amazing work.
Sofia Rivera (verified owner) –
“This powder has exceeded my expectations. It provides consistent results and a clean burn, which has greatly enhanced my shooting accuracy.”
jeff davis –
We’re glad you are satisfied with our item! Will do our best to keep improving it in the future.
Caleb Ramirez (verified owner) –
“This reloading powder is outstanding. It provides a clean burn and reliable performance, making it a must-have for any serious reloader.”
jeff davis –
We love your feedback! Thank you for choosing our product!
Liam Hughes (verified owner) –
“Fantastic reloading powder! It delivers a clean burn and consistent performance, making it ideal for all my reloading needs.”
jeff davis –
We’re glad you are satisfied with our item! Will do our best to keep improving it in the future.
Avery Rogers (verified owner) –
“This powder has exceeded my expectations. It provides a clean burn and consistent performance, which has greatly improved my shooting accuracy.”
jeff davis –
Thank you so much for taking the time to leave us a 5-star rating – it’s much appreciated!
Sienna Bailey (verified owner) –
“This powder has exceeded my expectations. It offers reliable performance, consistent results, and a clean burn. Highly recommend it!”
jeff davis –
We appreciate you taking the time to share your satisfaction and highest rating with us.
Josephine Brooks (verified owner) –
“This powder is top-notch. It delivers a clean burn and consistent performance, making it my go-to choice for reloading.”
jeff davis –
Thank you so much for taking the time to leave us a 5-star rating – it’s much appreciated!
Kinsley Lewis (verified owner) –
“Great reloading powder! It offers consistent performance and a clean burn, which has enhanced my shooting accuracy and overall reloading experience.”
jeff davis –
Thank you so much for taking the time to leave us a 5-star rating – it’s much appreciated!
Aurora Rogers (verified owner) –
“I’m very impressed with this powder. It offers a clean burn and consistent results, which have significantly improved my reloading experience.”
jeff davis –
We’re glad you are satisfied with our item! Will do our best to keep improving it in the future.
Mason Jenkins (verified owner) –
“I’m extremely impressed with the quality of this reloading powder. It offers a smooth and consistent burn, which is crucial for precision shooting. The results are always dependable, making my reloading process much more efficient. Great product!”
jeff davis –
Thank you for your kind recognition, customer’s satisfaction is always our goal.
Stella Hughes (verified owner) –
“I’m extremely pleased with this powder. It delivers excellent accuracy and consistent results, making it a top choice for all my reloading needs.”
jeff davis –
We appreciate you taking the time to share your satisfaction and highest rating with us.
Sienna Hughes (verified owner) –
“One of the best reloading powders available. It offers consistent performance and a clean burn, making it a must-have for any reloader.”
jeff davis –
Thank you for your kind review! It’s a big encouragement to us!
Miles Jenkins (verified owner) –
“This powder has made a noticeable improvement in my reloading process. It delivers reliable performance and consistent accuracy, which has greatly improved my shooting.”
jeff davis –
Thank you so much for your 5-star review! We will share this with the store team to let them know to keep up the amazing work.
Sophia Walker (verified owner) –
“I’m very satisfied with this reloading powder. It offers reliable performance and consistent results, making it ideal for improving shooting accuracy.”
jeff davis –
We’re glad you are satisfied with our item! Will do our best to keep improving it in the future.
Isabella Howard (verified owner) –
“One of the best powders on the market. It offers a clean burn and reliable performance, making it a must-have for serious reloaders.”
jeff davis –
Thank you so much for taking the time to leave us a 5-star rating – it’s much appreciated!
Lucas Ramirez (verified owner) –
“Great reloading powder! It provides a clean burn and consistent performance, making it ideal for all my reloading needs.”
jeff davis –
Thank you for your kind review! It’s a big encouragement to us!
Parker Collins (verified owner) –
“This reloading powder is outstanding. It offers a clean burn and reliable performance, making it a must-have for any serious reloader.”
jeff davis –
We’re glad you are satisfied with our item! Will do our best to keep improving it in the future.
Julian Jenkins (verified owner) –
“This powder is exceptional. It provides consistent results and a clean burn, which has greatly enhanced my reloading process.”
jeff davis –
We appreciate you taking the time to share your satisfaction and highest rating with us.
Kevin Perez (verified owner) –
“This reloading powder has exceeded my expectations. The performance is top-notch, delivering accurate and reliable shots every time. It’s versatile enough for multiple calibers, making it a great addition to my reloading bench. Definitely a product I’ll continue to use!”
jeff davis –
Thank you for your kind recognition, customer’s satisfaction is always our goal.
Paisley Mitchell (verified owner) –
“One of the best powders I’ve used. It delivers consistent performance and a clean burn, making it a great choice for improving shooting accuracy.”
jeff davis –
We appreciate you taking the time to share your satisfaction and highest rating with us.
Ellie Scott (verified owner) –
“I’m extremely impressed with this reloading powder. It delivers consistent results and a clean burn, which has greatly enhanced my shooting accuracy.”
jeff davis –
Thank you so much for your 5-star review! We will share this with the store team to let them know to keep up the amazing work.
Zoe Foster (verified owner) –
“This powder has exceeded my expectations. It delivers a clean burn and consistent performance, making it a top choice for any serious reloader.”
jeff davis –
We love your feedback! Thank you for choosing our product!
Jackson Kelly (verified owner) –
“This powder has made a noticeable difference in my reloading. It offers reliable performance and consistent accuracy, which has greatly improved my shooting.”
jeff davis –
Thank you so much for taking the time to leave us a 5-star rating – it’s much appreciated!
Ashley Hernandez (verified owner) –
“This powder has exceeded my expectations. It delivers consistent performance and a clean burn, making it a valuable addition to any reloading setup.”
jeff davis –
We love your feedback! Thank you for choosing our product!
Landon Jenkins (verified owner) –
“Exceptional quality and performance. This powder provides a clean burn and consistent results, making it ideal for all reloading needs.”
jeff davis –
We love your feedback! Thank you for choosing our product!
Brandon Allen (verified owner) –
“This reloading powder has exceeded my expectations. It provides reliable performance and consistent accuracy. I will definitely be using it regularly.”
jeff davis –
Thank you so much for taking the time to leave us a 5-star rating – it’s much appreciated!
Hazel Mitchell (verified owner) –
“I’m very satisfied with this reloading powder. It delivers consistent results and a clean burn, making it an excellent choice for any reloader.”
jeff davis –
Thank you so much for your 5-star review! We will share this with the store team to let them know to keep up the amazing work.
Nolan Foster (verified owner) –
“This reloading powder is exceptional. It delivers consistent results and a clean burn, making it a valuable addition to any reloading bench.”
jeff davis –
Your kind words just made our days! Thank you so much!
James Gray (verified owner) –
“I’m very pleased with this reloading powder. It delivers a clean burn and consistent performance, making it a top choice for all my reloading needs.”
jeff davis –
Your kind words just made our days! Thank you so much!
Landon Ward (verified owner) –
“This powder is fantastic. It delivers reliable results and a clean burn, making it ideal for all my reloading needs.”
jeff davis –
Thank you so much for taking the time to leave us a 5-star rating – it’s much appreciated!
Victoria Russell (verified owner) –
“Fantastic quality and performance. This reloading powder delivers consistent results and a clean burn, making it ideal for all my reloading needs.”
jeff davis –
We love your feedback! Thank you for choosing our product!
Joseph Price (verified owner) –
“I’m very satisfied with this reloading powder. It offers consistent accuracy and a clean burn, making it a great choice for precise shooting.”
jeff davis –
Thank you for your kind review! It’s a big encouragement to us!
Avery Mitchell (verified owner) –
“This reloading powder has made a significant difference in my shooting. It offers consistent performance and a clean burn, which is exactly what I needed.”
jeff davis –
Thank you for your kind recognition, customer’s satisfaction is always our goal.
Amanda Garcia (verified owner) –
“I’m extremely pleased with this powder. It offers reliable performance and consistent accuracy, making it a valuable addition to my reloading setup.”
jeff davis –
Thank you for your kind recognition, customer’s satisfaction is always our goal.
Victoria Garcia (verified owner) –
“This powder is fantastic. It provides consistent accuracy and a clean burn, making it a valuable addition to my reloading supplies.”
jeff davis –
Thank you so much for taking the time to leave us a 5-star rating – it’s much appreciated!
Lily James (verified owner) –
“I’m very impressed with this powder. It delivers reliable performance and consistent accuracy, which has significantly improved my reloading experience.”
jeff davis –
Thank you so much for taking the time to leave us a 5-star rating – it’s much appreciated!
Sophia Scott (verified owner) –
“This powder has made a noticeable difference in my reloading process. It delivers reliable performance and a clean burn, which has greatly improved my shooting.”
jeff davis –
Thank you for your kind recognition, customer’s satisfaction is always our goal.
Evelyn Scott (verified owner) –
“One of the best powders I’ve used. It offers a clean burn and consistent performance, making it a must-have for serious reloaders.”
jeff davis –
We appreciate you taking the time to share your satisfaction and highest rating with us.
Rylee Jenkins (verified owner) –
“I’m very pleased with this reloading powder. It offers reliable results and a clean burn, making it a top choice for all my reloading needs.”
jeff davis –
We appreciate you taking the time to share your satisfaction and highest rating with us.
Samuel Long (verified owner) –
“This powder has exceeded my expectations. It delivers consistent accuracy and a clean burn, making it a great choice for any serious reloader.”
jeff davis –
We appreciate you taking the time to share your satisfaction and highest rating with us.
Sophia Butler (verified owner) –
“Fantastic quality and performance. This powder offers a clean burn and consistent results, making it ideal for all types of reloading applications.”
jeff davis –
Thank you for your kind review! It’s a big encouragement to us!
Blake Davis (verified owner) –
“This powder has made a noticeable improvement in my reloading process. It offers consistent results and a clean burn, which is exactly what I needed.”
jeff davis –
We love your feedback! Thank you for choosing our product!
Chase Garcia (verified owner) –
“I’m very pleased with this powder. It offers reliable performance and consistent results, which has significantly enhanced my shooting experience.”
jeff davis –
Your kind words just made our days! Thank you so much!
Caleb Scott (verified owner) –
“I’m extremely satisfied with this reloading powder. It delivers reliable results and consistent accuracy, making it an essential part of my reloading supplies.”
jeff davis –
Thank you so much for taking the time to leave us a 5-star rating – it’s much appreciated!
Maya Ross (verified owner) –
“This powder has exceeded my expectations. It delivers a clean burn and consistent results, making it a top choice for improving shooting accuracy.”
jeff davis –
Thank you for your kind review! It’s a big encouragement to us!
Sophia Wright (verified owner) –
“I’m very impressed with this powder. It offers a clean burn and consistent results, which has significantly enhanced my shooting performance.”
jeff davis –
Thank you for your kind review! It’s a big encouragement to us!
Audrey Perry (verified owner) –
“I’ve tried several reloading powders, and this one stands out. It offers a clean burn, consistent performance, and is easy to measure. Whether you’re a seasoned reloader or just starting out, this powder is a fantastic choice.”
jeff davis –
Thank you so much for taking the time to leave us a 5-star rating – it’s much appreciated!
Jocelyn Russell (verified owner) –
“I’m very impressed with this reloading powder. It offers reliable performance and consistent results, which have greatly improved my shooting.”
jeff davis –
We appreciate you taking the time to share your satisfaction and highest rating with us.
Gianna Foster (verified owner) –
“I’m very impressed with this powder. It delivers reliable performance and consistent accuracy, making it a top choice for any reloading needs.”
jeff davis –
We’re glad you are satisfied with our item! Will do our best to keep improving it in the future.
Ryder Jenkins (verified owner) –
“One of the best powders I’ve used. It provides reliable performance and a clean burn, making it a top choice for all types of reloading applications.”
jeff davis –
Your kind words just made our days! Thank you so much!
Harper Thompson (verified owner) –
“I’m very pleased with this powder. It offers reliable results and consistent accuracy, which have significantly improved my shooting experience.”
jeff davis –
We love your feedback! Thank you for choosing our product!
Jaxon Garcia (verified owner) –
“Great reloading powder! It provides a clean burn and reliable performance, making it ideal for all types of reloading applications.”
jeff davis –
Thank you so much for your 5-star review! We will share this with the store team to let them know to keep up the amazing work.
Gabriella Scott (verified owner) –
“I’ve found this powder to be incredibly reliable. It provides consistent results and a clean burn, which is essential for accurate shooting.”
jeff davis –
We’re glad you are satisfied with our item! Will do our best to keep improving it in the future.
Julian Butler (verified owner) –
“One of the best powders available. It delivers a clean burn and consistent results, which have greatly improved my reloading process.”
jeff davis –
Thank you for your kind review! It’s a big encouragement to us!
Alexander Walker (verified owner) –
“I’m very impressed with this powder. It delivers consistent accuracy and a clean burn, which has significantly improved my shooting performance.”
jeff davis –
We’re glad you are satisfied with our item! Will do our best to keep improving it in the future.
James Garcia (verified owner) –
“One of the best powders on the market. It offers a clean burn and consistent performance, making it a must-have for any serious reloader.”
jeff davis –
Thank you so much for your 5-star review! We will share this with the store team to let them know to keep up the amazing work.
Bailey Rivera (verified owner) –
“This reloading powder is a game-changer for me. It provides excellent consistency and accuracy in all my reloads. The clean burn is a huge plus, and I’ve noticed a significant improvement in my shooting performance since I started using it.”
jeff davis –
We appreciate you taking the time to share your satisfaction and highest rating with us.
Sebastian Butler (verified owner) –
“This powder has exceeded my expectations. It delivers consistent accuracy and a clean burn, making it a top choice for all my reloading needs.”
jeff davis –
Thank you so much for taking the time to leave us a 5-star rating – it’s much appreciated!
Harper Morgan (verified owner) –
“One of the best reloading powders I’ve used. It offers reliable performance and consistent accuracy, making it a must-have for any reloader.”
jeff davis –
Thank you so much for taking the time to leave us a 5-star rating – it’s much appreciated!
Madelyn Scott (verified owner) –
“I’m very pleased with this reloading powder. It delivers a clean burn and consistent performance, making it a great addition to my reloading supplies.”
jeff davis –
We love your feedback! Thank you for choosing our product!
Matthew Young (verified owner) –
“One of the best powders I’ve used. It provides reliable performance and a clean burn, making it an essential part of my reloading setup.”
jeff davis –
Thank you so much for your 5-star review! We will share this with the store team to let them know to keep up the amazing work.
Ellie Henderson (verified owner) –
“This powder has made a noticeable improvement in my reloading process. It offers reliable performance and a clean burn, which has significantly enhanced my shooting.”
jeff davis –
Thank you so much for your 5-star review! We will share this with the store team to let them know to keep up the amazing work.
Stella Garcia (verified owner) –
“I’m very impressed with this powder. It offers reliable performance and consistent results every time. A great addition to my reloading supplies.”
jeff davis –
Thank you for your kind review! It’s a big encouragement to us!
Hudson Jenkins (verified owner) –
“This powder has made a noticeable improvement in my reloading. It provides consistent performance and a clean burn, making it a great choice.”
jeff davis –
Thank you so much for taking the time to leave us a 5-star rating – it’s much appreciated!
Chloe Hughes (verified owner) –
“This powder has made a noticeable difference in my reloading process. It provides a clean burn and consistent performance, which I greatly appreciate.”
jeff davis –
We appreciate you taking the time to share your satisfaction and highest rating with us.
Hunter Perry (verified owner) –
“I’m extremely pleased with this powder. It offers reliable performance and consistent accuracy, making it a must-have for any reloader.”
jeff davis –
Your kind words just made our days! Thank you so much!
Leah Foster (verified owner) –
“Exceptional reloading powder. It delivers consistent accuracy and a clean burn, making it a must-have for any reloader.”
jeff davis –
Thank you so much for your 5-star review! We will share this with the store team to let them know to keep up the amazing work.
Isaac Hall (verified owner) –
“This reloading powder is outstanding. It delivers reliable performance and consistent results, making it ideal for all types of reloading applications.”
jeff davis –
We love your feedback! Thank you for choosing our product!
Jackson Foster (verified owner) –
“Outstanding quality and reliability. This powder provides a clean burn and exceptional accuracy, making it my top choice for reloading.”
jeff davis –
Your kind words just made our days! Thank you so much!
Cameron Thompson (verified owner) –
“This powder has exceeded my expectations. It delivers consistent results and a clean burn, which has greatly improved my shooting accuracy.”
jeff davis –
We appreciate you taking the time to share your satisfaction and highest rating with us.
Addison Bennett (verified owner) –
“Fantastic quality and performance. This powder delivers consistent results and a clean burn, making it ideal for all types of reloading applications.”
jeff davis –
Thank you so much for taking the time to leave us a 5-star rating – it’s much appreciated!
Zoe Powell (verified owner) –
“This powder is fantastic. It provides reliable performance and consistent results, which have significantly improved my reloading process.”
jeff davis –
We love your feedback! Thank you for choosing our product!
Ezra Butler (verified owner) –
“I’m very pleased with the performance of this powder. It delivers consistent results and a clean burn, making it a valuable addition to my reloading supplies.”
jeff davis –
Thank you for your kind review! It’s a big encouragement to us!
Kimberly Gonzalez (verified owner) –
“Fantastic quality and performance. This powder provides a clean burn and consistent results, making it a top choice for all reloading needs.”
jeff davis –
We love your feedback! Thank you for choosing our product!
Sydney Campbell (verified owner) –
“This powder has made a noticeable difference in my reloading process. It offers reliable performance and consistent results, which is exactly what I needed.”
jeff davis –
We’re glad you are satisfied with our item! Will do our best to keep improving it in the future.
Allison Price (verified owner) –
“This powder has made a noticeable difference in my reloading. It delivers a clean burn and consistent performance, which has greatly improved my shooting.”
jeff davis –
We love your feedback! Thank you for choosing our product!
Isabelle Campbell (verified owner) –
“This powder has made a noticeable difference in my reloading. It delivers reliable performance and consistent accuracy, which has greatly improved my shooting.”
jeff davis –
Thank you so much for your 5-star review! We will share this with the store team to let them know to keep up the amazing work.
Josephine Scott (verified owner) –
“This reloading powder is exceptional. It provides reliable performance and a clean burn, making it a valuable addition to any reloading setup.”
jeff davis –
We appreciate you taking the time to share your satisfaction and highest rating with us.
Michael Williams (verified owner) –
“This powder has made a noticeable difference in my reloading. The clean burn and consistent results are exactly what I needed for better accuracy.”
jeff davis –
Thank you so much for taking the time to leave us a 5-star rating – it’s much appreciated!
Evelyn Turner (verified owner) –
“Fantastic quality and performance. This powder provides consistent accuracy and a clean burn, making it a top choice for all types of reloading.”
jeff davis –
We love your feedback! Thank you for choosing our product!
Tyler Cook (verified owner) –
“I’m extremely happy with this reloading powder. It provides excellent accuracy and a clean burn, making it a must-have for any reloader.”
jeff davis –
We’re glad you are satisfied with our item! Will do our best to keep improving it in the future.
Isaac Butler (verified owner) –
“This reloading powder is fantastic. It offers consistent performance and a clean burn, making it a valuable addition to any reloading setup.”
jeff davis –
Thank you for your kind review! It’s a big encouragement to us!
Sophia Jenkins (verified owner) –
“This reloading powder is outstanding. It delivers consistent results and a clean burn, making it a valuable addition to any reloading supplies.”
jeff davis –
We’re glad you are satisfied with our item! Will do our best to keep improving it in the future.
Sadie Griffin (verified owner) –
“This powder has made a significant difference in my reloading process. The clean burn and consistent performance are exactly what I needed.”
jeff davis –
Thank you so much for your 5-star review! We will share this with the store team to let them know to keep up the amazing work.
Logan Campbell (verified owner) –
“I’m extremely pleased with this powder. It delivers consistent accuracy and a clean burn, making it a top choice for all my reloading needs.”
jeff davis –
We appreciate you taking the time to share your satisfaction and highest rating with us.