The height of the scope over the bore is about the shooter's comfort behind the rifle and does not have a bearing on accuracy as I have heard some people say. All the good ballistic apps have an input for your height over bore, which is easy to measure. For instance, I am currently...
The ATF procedure for measuring barrel length is to measure from the closed bolt (or breech-face) to the furthermost end of the barrel or permanently attached muzzle device. Permanent methods of attachment include full-fusion gas or electric steel-seam welding, high-temperature (1100°F) silver...
When we reload and fire out ammo, we naturally want to know how it performs. Two of the most common things we look at is the round’s accuracy and if it fed ok. If you are a little more serious, you may purchase a chronograph so you can measure the velocity and consistency of...
Pour a measure of gunpowder down the barrel. Wrap a lead ball (the bullet) in a small piece of cloth or paper and ram it down the barrel on top of the gunpowder. The bullet/cloth combination will have a nice, tight fit. Place a small amount of gunpowder in the flintlock's pan. ...
MOA (minute of angle) is the unit of measurement that snipers use in school to measure accuracy. The greater the distance the sniper is shooting from, the lower the accuracy, as natural forces like wind resistance work on the bullet while it travels through the air. MOA measures the accurac...
pose a problem to onboard technology though as the dust kicked up can effect sensors and cameras and the landing site can be disturbed in the process. A team of researchers have developed a new instrument that can measure the dust that is kicked up on landing to inform future instrument ...
The first method is thestrategy we've used for most bosses in the game so farwith one added measure. Whilemelee with the Laser Rapieris very powerful, Diego is much less of a pushover than when we met him in Executive. This time around, he will punch you when you get close, destroyi...
First step, I'd get a decibel app for your phone like the Decibel X:dB Sound Level Meter app on the Apple AppStore. Its free with in-app purchases but sufficient to measure the strength and frequency of the ultrasonic pulses. https://www.soundly.com/blog/best-decibel-meter-apps This ...
This is a good beginner press that will come in handy many times, even if you upgrade to a more expensive press at a latter time. Lee reloading dies come with the shell holder required for the cartridge and with a powder dipper to measure powder by volume. With this press and dies, ...
There are basically two ways to measure the headspace of a round of ammunition. The first is to drop the cartridge into a caliber-specific headspace gauge and measure with calipers the amount the head of the case that sticks out of the gauge. This method allows a comparison and sorting of...