Local range was busy Friday and Saturday mornings with .22 practice and silhouette match, so I couldn't shoot my P-10S at 200 yards until sunrise Sunday morning. I wound up with an aim point 48" above the bullseye and maybe 6" to the left, starting with a 25 yard single hand zero. I used my standard Atlanta Arms 115 JHP ammo. My OR model is fitted with a CZCustom PT2 adapter plate for a Holosun 507C red dot.
I put a 50 yard target on a 2x1 stick held in place with a c-clamp to use an an aim point. No wind, 6000 ft. above sea level, 55F, very sunny from 10 o'clock. Absolutely perfect shooting conditions, but pretty harsh for video with cheap cameras!
The video below shows the first five shots used as sighters to place the aim point, then the last 10 shots for the day. It took me a few 5 round sequences to home in on the proper placement of the aim point, since I didn't have much freedom to move the target out of the lead catcher. Also note that I have not fattened up and ovalized the P-10S grip, and forgot to bring my large grip insert, so the pistol does NOT fit me very well at all. The only changes to the pistol besides adding the red dot are a CGW striker with a Wolff 4 lb striker spring and Glock keepers. I have not done any polishing and I haven't put in the rest of the CGW P-10 parts yet.
So, I struggled some getting the shots executed perfectly. But the last 6 shots of the last 10 shot string are really good. I finally executed a good trigger pull while the red dot was centered in the aim point. And, I am sure there is some luck involved here also. Bottom line is this, barrel length isn't too much of a limitation at 100 and 200 yards, IF a red dot sight is used instead of irons. The muzzle velocity is maybe a little less than with a 4.5" barrel, but what really matters for any mechanically sound pistol is how consistently the shooter aims the gun from shot to shot, and how much the gun is moved as the shooter pulls the trigger.
This is a 7 minute video. Jump to the last third if you want to see what I consider to be a good group at 200 yards with a subcompact pistol. Video should finish uploading by 2:45pm US mountain time.
https://youtu.be/tAZDKkcstvgI will reshoot this once I get the CGW parts in and Sugru on the little pistol. I will need those modifications before I can grip it more consistently and move it less as I release the striker. If I can get the fit and feel the same as my P-10F, pretty sure I can shoot some really good groups with the little subcompact. Today was a really good trial run, that's for sure.
Joe