Search results
I’d suggest taking out your calipers with a bullet comparator on them and measure the distance from the cartridge base to the ogive (CBTO) of the loaded bullet, and write that number down as a reference, along with the current round count of the barrel.
23 kwi 2021 · This five-minute video explains barrel length rules for rifles and shotguns, and also explains the best (and most fool-proof) methods to measure your barrel. In addition, the video explains how to measure firearm overall length.
10 sie 2024 · There are specific methods for determining rifle barrel length, and it is essential to follow these methods to ensure that measurements are accurate and comply with the legal requirements in your area. Some of the most common methods include using a measuring rod or calipers.
30 sie 2020 · Measuring Distance between High Points: For rifles, the barrel is grooves and high points are visible on the cartridge. You can determine the caliber of the rifled bore by measuring the distance between the top rifling points.
A balance between the three factors is necessary for best performance. However, let's take a quick look at what's generally accepted about barrel length vs. velocity in a few popular rounds, starting with the most popular round ever, the .22 LR.
13 sie 2019 · The Role of Barrel Length. There’s a lot of engineering voodoo going into accurate and reliable rifles. You got a glimpse at some of that math in my discussion of barrel twist rates. But there really is a lot more out there. For this article, we’re focusing on the physical forces propelling a projectile down the bore of the rifle.
Understanding how measuring Cartridge Overall Length (COAL) and Cartridge Base to Bullet Ogive (CBTO) is an important part of reloading. Many shooters are not aware of the dramatic effects that bullet seating depth can have on the pressure and velocity generated by a rifle cartridge. COAL is a variable that can be used to fine tune accuracy.
