10mm Trajectory

[tedro]

Does any one have a chart for the bullet trajectory of 180gr bullet at around 1300 fps ?

[RevJim]

 I'm sure someone does, but let me tell you what I did with the Blaser 200tmj round. This weekend, I was out in the desert with some friends shooting in an old quarry. We put out some clay pigeons from 50yds to 120 steps. I was able to hit two clays at 80 yds and got real close to those at 120! I have Ameriglo Pro NS on my G29 , and they gave an excellent sight picture. I was really checking my LW barrel/21# rs for reliability with a less than hot load. No malfunctions, not even with some novices shooting it, but I did teach them how to hold it so no limp wristing happened.
 I can only imagine just how much "flatter" your 180 at 1300 would be! I am new to the 10mm and I am impressed as all get out, ha. I don't hunt with a pistol, but I do carry one for sd and woods, occasional shots at coyotes and bigfoot ( yes! One was sighted up in Cache Valley near Logan, UT just recently! Him and along with the Ghoul/ghost of Joe Baptiste, I feel pretty good with this G29! ha) I shot my friends .38 Super and it was just as flat, but did not have near the "oomph" on rocks! ha

[tedro]

I am fairly new to 10mm also. Ive shot most of the 10mm ammo available and loaded some of my own. I guess I need to just set cardboard targets out in 10 yard increments and shoot groups and go from there.  The 38 super also looks like a fun cartridge to play with !!

[Mikey]

Tedro:  back in the late 70s when I was developing my 40 cal wildcat and shooting 200 yd matallic silhouette with the same cartridge from a 1911 I found it necessary to use 41 magnum trajectories for a 170 gn slug to get a idea of what a 180 gn 10mm bullet might shoot like when leaving the barrel at near 1400'/sec (1372'/sec actually).  Using Bomar sights on a 1911 slide I found that I needed one click more of elevation than the guys shooting 6" 41 mag loads with the 170 gn slug.  I think it was the Lyman Handgun Reloading Manual that listed trajectories for different bullets of different weights and velocities that helped indicate what sort of a trajectory I would get.
IIRC I think I used 3 clicks elevation at 50 yd, 6 at 100 yd, 9 or 10 at 150 and 12 or 13 at 200 and at those ranges center hits would take the silhouettes down and any misses or divots were my own doing.  I also recall that I had to use a 6 o'clock hold to get a full picture of the target, so if you are holding dead-on you may not need as much elevation.  HTH and good luck.

[tedro]

Thanks Mikey. Sounds good to me