Your cant beat a field test….

Being stuck indoors as sick as a dog, idle hands of the self employed are hard to keep still!! Here is a picture of last Friday afternoon’s boys’ time…
I enjoy the crack but after 3-4 shots I am done, however my friend wanted to test out his different home loads.
I am all ways happy to oblige as it is interesting to see what the different loads do what, I use factory rounds and have worked out through practicing on my own how they perform.
Distance 250 meters
Weather over cast with a 6-7 mph cross wind.
Remington 700 .243 75 grain accui tips.
Ruger .243 75 v-max grain home loads.
I shot off my quad sticks and the 3 rounds on the left white bull are mine.
The right bull is from a bi-pod and also the 3 around the eye, the rest were shot of quad sticks. To be fair my gun is set 13mm high at 150 yds and I shoot of the quad sticks 3-4 days a week out foxing.
Bullet drop at that range was only 2.5"- 3" and not 7.1 as calculated.
Ballistics Results
Muzzle -1.5 Velocity 3375 MOA 0"
100 0 3065 0"
200 -2.1 2776 1"
280 -7.1 2558 2.4"
STA60360_zps1bd559e6.jpg


Tim.243
 
Good Shooting Tim,

Good grouping but the impressive thing is being able to put them on target at that range with a cross wind.

Andy.
 
Ruger .243 75 v-max grain home loads.
...
Bullet drop at that range was only 2.5"- 3" and not 7.1 as calculated.
Ballistics Results
Muzzle -1.5 Velocity 3375 MOA 0"
100 0 3065 0"
200 -2.1 2776 1"
280 -7.1 2558 2.4"

Using the details above (assuming yards and inches), JBM Ballistics and G7 BC (by Bryan Litz) I get:

Muzzle -1.5 Velocity 3375
100 0 3068
200 -1.1 2773
280 -2.6 2547

This seems to match your field results very well. You can find JBM Ballistics at e.g.

http://jbmballistics.com/cgi-bin/jbmtraj_simp-5.1.cgi
 
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