![JSB Jumbo Exact .22 Cal,15.89 gr - 500 ct JSB Jumbo Exact .22 Cal,15.89 gr - 500 ct](https://cdn11.bigcommerce.com/s-ovx3gdb3lc/images/stencil/160w/products/1448/6496/jsb22cal15gr500ct-1__29064.1686929554.jpg?c=1)
These JSB Jumbo Exact Heavy were made for the higher-powered rifles, like your magnum break barrels or PCPs. These give those higher-powered rifles the ability to really shine. When you have too much power for lighter pellets they will travel at a high velocity and speed isn't always be a good thing. When a pellet travels too fast it can cause issues with accuracy and if you're getting into supersonic speeds it can also make things pretty loud.
It’s all a balance between power, weight and twist rate. If you get those right then you will see the results!
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