shot goup study with GRT (gordon reloading tools)

[BruniX]

i'm learning GRT software ,
free and awesome !
reloading tool with giant database of powder, bullet and data to ompute reloading .
Also shotgroup study with Barrel oscillation, flyer, etc...
here, 200m (218.72 yards,) AR-15 Sabre defense 20' HBAR, sierra 53 grs bullet, 22 grs of Vithavuori N130 (same as i use for 45-70 )
and help from my new toy, BURRIS AR 536 Prism, i love it !

ar 536 burris sur ar-15.JPG (96.96 KiB) Viewed 494 times

importing picture in GRT , and plot shot point on picture ,
analysis give this screen :
(BOT, max moa and so on...)

ar-15 200 m burris AR 536.png (750.72 KiB) Viewed 494 times

reloading data was this :

223 sierra 53 grs mk 1400.gr.png (337.21 KiB) Viewed 494 times

oh what a nice tool !
you can download this software here : https://www.grtools.de/doku.php
you need only to register, and it is free. (work on Windows and Linux)

see you soon
BruniX