Accuracy issues, pellet probe bent?

[ZekeZX10]

Grouping an inch or less at 100 yards has never been an issue but lately I've been getting flyers using the same ammo. I chambered a slug and then pushed it back out to check out where the probe makes contact with the slug. It seems the indent where the probe pushes the slug is not exactly centered. I know it doesn't help accuracy but is this enough to be causing flyers? I recently had a double feed and forcibly closed the action which was stupid but I didn't have a wooden dowel with me out in the field. Nothing else has changed so I'm assuming I bent it causing the flyers. Took some pics to show the indent, does this look off enough to cause flyers.

 

[bigHUN]

no, this shall not make flyers,
but instead of a pin probe I would switch to pellet probe, much better initial alignment.

 

[ZekeZX10]

no, this shall not make flyers,
but instead of a pin probe I would switch to pellet probe, much better initial alignment.

Not sure I can switch, I have an AGT Vulcan 3 in 30 cal...and wouldn't a pellet probe restrict some airflow?

 

[Troy Bakel]

If this deformation is:

A. Causing asymmetrical weight distribution:

Or

Causing the end of the projectile to not leave the muzzle square with the crown face:

The projectile will be sublect to "Lateral Throwoff "

 

[Vetmx]

Not sure I can switch, I have an AGT Vulcan 3 in 30 cal...and wouldn't a pellet probe restrict some airflow?

Fortunately nowadays good guns are powerful enough that the measly FPS gained by a pin probe isn’t worth it. But in your case, AGT’s come with pin probes so we just roll with it. Double loading a .30 with properly fitted slugs is probably going to tweak it a little. Will it now cause fliers? I certainly hope not. But if it’s bent enough that you can visually see it, then maybe. Remove it, chuck it up in a lathe and fix it if you can. Either way I would have to see just how bent it is. In the meantime give the gun a good scrubbing and check the mod in the shroud for damage. Launching two .30’s could have clipped something.

 

[bigHUN]

The projectile - slug in this case - is long enough that the "body length" will self center in the rifling. The pellets may behave different but those will self stabilize with a distance.
There must be something else, either fouling in the barrel or the crown, or a speed ES/SD is not consistent.
Or you have lost your anchor to the eye box and the parallax is throwing you around.

 

[ZekeZX10]

The projectile - slug in this case - is long enough that the "body length" will self center in the rifling. The pellets may behave different but those will self stabilize with a distance.
There must be something else, either fouling in the barrel or the crown, or a speed ES/SD is not consistent.
Or you have lost your anchor to the eye box and the parallax is throwing you around.

I think that's exactly what it was, I lost my anchor point. I've been so into shooting my new (used) Daystate Pulsar in 177 I forgot how to shoot the Vulcan. The length of pull is very different, it's a different scope so that eye relief is a little bit different, and so my cheek weld and hold is different.

From now on I won't ignore my Vulcan LOL. I think I'm back on track ... Tomorrow I'll get back to the range and adjust for windage if I keep my groups together. Even with the one high shot still under an inch. The circles are 0.75"
The far right pic is a nickel covering 4 of the 5 shots.

 

[Vetmx]

I had a .30 Uragan and still have two .30’s. They are like a magnum handgun. You have to know how to shoot them. If you don’t for a while, you get rusty. A .177, .22 and some .25’s don’t require this.