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21 mar 2020 · Bullet jump is basically the distance a bullet travels before it touches the rifling in the barrel. That gap is relatively short distance that typically ranges from 0 to 0.150 inches, although it could be longer in some factory or magazine-fed rifles. There is a lot going on in a chamber in the tiny window when a round goes off.
- How To Measure The Distance To The Lands On Your Rifle Barrel
This page explains a method to precisely measure the...
- How To Measure The Distance To The Lands On Your Rifle Barrel
10 paź 2021 · Lands: the raised portion of the inside of the barrel that engraves the bullet and spins it. Grooves: The largest diameter portion of the barrel. Usually approximately the same as bullet diameter. Bore: the interior of the barrel where rifling exists. Here’s a diagram showing a 4-groove bore: Finding the Lands and headspace
27 lut 2017 · Subscribed. 6.1K. 443K views 7 years ago Long Range Precision Reloading. This reloading video covers how to measure for optimum bullet seating depth and where to start for load development....
18 lis 2021 · 1.34K subscribers. Subscribed. 63. 6K views 2 years ago Projectile Motion (and Free Fall) Correction in video V= 0.77 m/s at 2:14 in the video. This changes the final range (delta x) to 0.31m. This...
14 lip 2018 · float g = Physics.gravity.y; print(transform.position.y); // it starts on 0.5 //Yt = Y0 + 0.5 * g * t^2 float time = ((0.15f - transform.position.y) * 2) / g; // The bullet would land on y equals to 0.15 because its height print("TIME: " + Mathf.Sqrt(time)); print("dX = " + 100 * Mathf.Sqrt(time));
4 sie 2018 · Then, to measure distance to the lands for a bullet, seat a dummy round long so the bolt won't close. It doesn't matter how long, but you shouldn't be able to cam the bolt down. Hold the bolt in place by hand so the bullet is pushed against the lands gently; you can use rubber bands if preferred, but don't force the bullet into the lands hard.
