There isn’t a simple answer to this question because there are so many factors that go into choosing the right amount of powder for your muzzleloader. Some important things to consider include the weight of the projectile, the barrel length, and the desired velocity.
A good starting point is to use between 20-25 grains of powder for a .50 caliber muzzleloader with a 250-grain projectile. You can adjust this amount up or down depending on how you want your rifle to perform. If you’re looking for more power, then increase the amount of powder; if you’re looking for more accuracy, then decrease the amount. Consult your gunsmith or a local firearms dealer for more specific recommendations based on your setup.
A good rule of thumb when shooting black powder is to start with one-sixth of a cup (one tablespoon) for every 100 grains of lead weight in your projectile. So for a 45 caliber muzzleloader, you would need about three teaspoons of powder. Keep in mind that this is just a general guideline and you should always consult your rifle’s owner’s manual to be sure you are using the correct amount of powder for your specific firearm.
Generally speaking, you’ll need about 20-25 grains of powder for a .45 caliber bullet.
It depends on the powder and the projectile weight. You’ll need more powder for a heavier projectile. A good starting point would be to start with about 15-20 grains of powder for a 45-caliber muzzleloader.
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