Troubleshooting guns and groups

[DKDay]

I ought to run them all again tonight to double check, and only after shooting for a bit to warm up.

Isn't one of your objectives here to find out which gun works best for you in a SHTF moment, when you have not had time to loosen up?

[Combat Controller]

Yup, but I need to eliminate the equipment from the equation. Went tonight, did better this time actually, starting cold. Afterward burned through 200 rounds to warm up for IDPA tomorrow. Pics to follow in a few...

[Combat Controller]

Ok, here are the pics, all using the same two types of ammo, and at the same range, same speed. Same location even, but one difference, to be fair I swapped out the 10mm for the car gun, an Taurus 1911 in .45, with a beavertail and I added a Colt Commander to compare to the S&W, so everything is pretty apples to apples.

200 gr Golden Bullet Jacketed

200 gr LSWC

The guns used...

[Whirlibird]

That's not slow fire.

I'm seeing some general diagonal stringing in some respects. That'd most likely be you.

But also an inconsistant POI with the same weapon and ammunition from day to day.
The CCO for example with the Golden bullet, you go from a split pattern to a group that's centered, yet the same CCO with the SWC you have two distinct groups. Low and left and then centered.

First, I'd say slow down, I'd hazard a guess that you are pushing the weapon(s) trying to run them fast. You might bump up the trigger pull in one a pound or two to mess with your "trigger finger" in this respect.

Second, it appears that you are getting two distinct POI's with the Golden Bullet and the SWC's. Pick one.

The beavertail comparison is invalid, you only shot the Norc (maybe the Delta) with the standard safety and it (or you) was inconsistant to make that statement. However if it feels better, that's a good enough reason to make the change. Just be clear on the reason.

5 guns to get ready for an IDPA match? 5 different trigger pulls, 5 different weights? Several different weapon torques in the hand/wrist. You are going to have inconsistant POI almost built in.

Let's eliminate most of the variables. Take one, preferably a full size steel frame out and fire a handful slow fire and then the same at your "pace" and compare what you are doing differently. Use one bullet, so no changes or more appropriately variables in point of aim/impact.

And on the outside chance, what's the chamber (Leade) depth in each weapon? Some of the horizontal dispersion may, (however unlikely) be because of a short chamber in relation to seating depth. Crudded up chambers can cause this also, with a lead and carbon ring at the case mouth area.

It could also be that at least one of the weapons just doesn't like that particular bullet. It happens.

Of course all of this is all purely opinion. But good luck anyway.

[Combat Controller]

Thanks for the advice, I actually was just troubleshooting, I use the same gun (the norc) for IDPA, but as winter is coming I can carry my 1911's again (comfortably) so I thought I would get warmed up. Seems I am overly ambitious.

I think I am going to pick the LSWC for IDPA, been using the Golden Bullets, but the Lead is cheaper, and I lose my cases in IDPA so I ought to reduce cost somehow.

An no, not slow fire, about as rapid as I can get at the range without getting a warning. Mostly double taps with the last round popped out, looking for a flinch or dipping. The left eye dominance I thought was responsible for the shooting left, perhaps I can fix it with a grip change. If so, that would be awesome.

I will try out your advice, and clean and mike the chambers.

[Aglifter]

Have you ever tried XS sights? I don't have them on any 1911s, but they've really worked for me (I'm also cross-dominant.)

[Combat Controller]

Yup, the big ones? I have them on several revolvers. All the sights on those guns are different practically.