Quick Answer
Barrel length affects the performance of 7mm SAUM by influencing bullet velocity, stability, and overall accuracy. Longer barrels generally provide a slight increase in velocity and accuracy, but may not compensate for other factory limitations. However, the effect may be negligible for experienced hunters.
Barrel Length and Velocity
When it comes to the 7mm SAUM cartridge, a longer barrel can provide a slight increase in bullet velocity. For example, a 24-inch barrel may see a 10-15 fps increase in muzzle velocity compared to a 20-inch barrel. This is due to the increased time the bullet has to accelerate down the barrel. However, this effect is more pronounced with longer cartridges like the 7mm Remington Magnum, where the difference in velocity between a 24-inch and 26-inch barrel can be as much as 50-60 fps.
Barrel Length and Accuracy
A longer barrel can also improve the accuracy of the 7mm SAUM, particularly at longer ranges. This is because a longer barrel provides a more stable platform for the bullet to exit, which can reduce the effects of barrel harmonics and other accuracy-robbing factors. In general, a 24-inch barrel is a good compromise between velocity and accuracy, as it provides a good balance between the two.
Real-World Applications
In terms of hunting elk with the 7mm SAUM, a longer barrel can be beneficial for taking larger animals at longer ranges. However, it’s worth noting that the effects of barrel length on velocity and accuracy may be mitigated by other factors, such as the quality of the barrel, the accuracy of the rifle, and the skill of the shooter. Experienced hunters may find that a shorter barrel is sufficient for their needs, particularly if they are hunting at closer ranges.
Find more answers
Browse the full Q&A library by topic, or jump back to the topic this question belongs to.