Description
This magnum, extruded powder was designed expressly for the really large overbored cartridges such as the 7mm Remington Ultra Magnum, 300 Remington Ultra Magnum, 30-378 Weatherby Magnum, etc. Retumbo adds 40-100 fps more velocity to these cartridges when compared to other normal magnum powders.
In addition, it is an Extreme Powder, making it perfect for big game hunting under all types of conditions.
Made in Australia
Available in 1 lb. and 8 lb. containers.
Product Info
- Warnings:
- WARNINGS FOR CALIFORNIA RESIDENTS
- SDS:
- SAFETY DATA SHEET
- Type:
- Rifle
- Info:
- SALES & SHIPPING
- Group:
- Smokeless Powder
- CO Tax Eligible:
- Y
Reviews
21 Reviews
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Retumbo
Extremely consistent powder, from lot to lot, year to year. I’ve used the same load in my go-to hunting rifle for 15 years. No changes weatherby 30-378, 32” bbl,102.5 gr Retumbo
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powder
Great product from a great company. Looking forward to many more experiences with them in the future
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Retumbo
Temperature stable and gives low ES in all magnum loads tried with heavy bullets.
