Muzzleloader Rate of Twist Chart
This chart will help you select the bullet weight which is most likely to result in the best accuracy. This is only a guide as individual barrels will vary. The only true way to determine "best bullet weight" is to shoot your gun with quality sights off a
This chart
will help you select the bullet weight which is most likely to result in
the best accuracy. This is only a guide as individual barrels will vary.
The only true way to determine "best bullet weight" is to shoot your gun
with quality sights off a solid rest. By shooting a variety of bullet
weights with a variety of powder types and charges in your specific
barrel, you will determine "best bullet weight".
Legend: The
greater the number of asterisks, the more compatible the bullet weight is
to the twist.
|
| Caliber |
Sabots |
Weight |
1:20" |
1:26" |
1:28" |
1:30" |
1:32" |
1:38" |
1:48" |
|
.357 |
Dead
Center |
175 |
* |
*** |
*** |
*** |
*** |
** |
|
 |
|
195 |
* |
*** |
*** |
*** |
** |
* |
|
|
.40 |
220 |
** |
*** |
*** |
*** |
*** |
** |
|
|
240 |
*** |
*** |
*** |
*** |
** |
|
|
|
.44 |
260 |
|
** |
*** |
|
*** |
*** |
** |
|
.44 |
300 |
|
*** |
*** |
|
*** |
** |
|
|
.45 |
340 |
|
*** |
*** |
|
*** |
*** |
* |
|
.40 |
QT .40 |
195 |
* |
** |
** |
*** |
*** |
*** |
* |
|
.40 | |
215 |
** |
** |
*** |
*** |
*** |
** |
|
|
.40 |
220 |
** |
** |
*** |
*** |
*** |
** |
|
|
.40 |
235 |
*** |
*** |
*** |
*** |
*** |
* |
|
|
.40 |
250 |
*** |
*** |
*** |
*** |
** |
|
|
|
.44 |
250 |
|
** |
** |
|
** |
*** |
* |
|
.44 |
275 |
|
*** |
*** |
|
*** |
** |
|
|
.45 |
300 |
|
** |
** |
|
** |
*** |
* |
|
.45 |
Extreme |
330 |
|
* * |
*** |
|
*** |
** |
| |
|