CRS Firearms
CRS Firearms 19 Oct 2019
255

The Bare Minimum You Should Know About Your Rifle

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In General

In this video we will be going over the advantages of a BDC bullet trajectory possible siding options in a couple of Rants thrown in there for good measure


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RobertM
RobertM 25 days ago

Yep. Gee that's a nice bolt rifle. Looks like my Remington 700. I have one scope that has a BDC reticle. All my other scopes use mil dot reticles that can do the same thing but you have to know your dots. The BDC reticle just has preset yardage hash marks. I think one of my scopes is a BSA that calls its retecle an EZ Hunter but its like a BDC.

Duplex or multiplex reticles really don't have yardage mark references, just basic crosshairs and they are set for the yardage they are zeroed for. Red dots are only set for the yardage its zeroed for and also don't have yardage references. Hold over is the only option.

For man size targets, the stop the threat areas are the head, the neck, and the groin/gut. We assume body armor so torso shots will be ineffective. Leg and arm hits only incapacitate but may not stop the threat. This is why when we practice we put two to the body and one to the head.

At angle shots will go high. Bullet drop is less. The distance to target is less due to the angle. You won't get that angle just with your BDC or reticle. Use a range finder to get the angle so you don't have to pace it off beforehand. Then use the cosine (angle degrees in percentage) times the perceived horizontal distance to get the angle distance.
https://www.youtube.com/watch?v=wTSBcNgGMNo

In Trig the cosine is the adjacent over the hypotenuse. It is a good idea to carry a DOPE (Data Of Previous Engagement) card of some kind. Thanks for sharing.

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