Glock 19 vs Glock 30 accuracy?

My 30 and 21SF are more accurate than my 17 or 19 for sure.

Glock19Fan said:

Now that I own both Glock 19 and 30, but I still shoot the 30 slightly better. Whether its becuase of the caliber, or the slightly wider grip I am not sure, but I just wanted to see how everyone else shoots the two.

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Same story here. My G30 has always been more accurate than my G19. The difference in accuracy is small....but noticeable.

So would you guys attribute this to the Glock models or the particular calibers?

It has to be due to ergonomic factors, proficiency with the caliber, etc. Both cartridges are more accurate than the shooter.

I shoot a .45 M&P better than the G19. I shoot a 9mm Sig 229 better than the .45 M&P. It's ergos, including the trigger.

My 30 is more accurate than my 26, but not by much.

SIGlock said:

Same story here. My G30 has always been more accurate than my G19. The difference in accuracy is small....but noticeable.

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Same. My G30 groups more consistently POA for me. Always has.

I get tighter groups and faster groups with my G19 as compared to my G30. I'm sending my G30 into Cold Bore either Friday or early next week. That may make a difference, but that's yet to be seen.

With my G17, I can get print 1.5 inch or smaller groups at 25 yards off of a sandbagged rest. My G21, that I bought and sold 10+ years ago didn't do that. However, I'm reloading with different propellant and shoot jacketed out of my G17 and used cast 200 gr SWC in my 21. Not quite an equal comparison...

On a good day, a really good day, with a little assistance from lady luck, I can shoot a 2 inch group at 15 yards in slow aimed fire with my Gen2 G19 and I am by no means a sharpshooter. I suspect the gun is capable of much smaller groups.

I doubt I could make smaller groups with a G30. The limiting factor seems to be me and not the gun.

Regards,
Happyguy

Of all the Glocks I have my G30 is easily the most accurate.

OUSooner said:

Of all the Glocks I have my G30 is easily the most accurate.

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I would like someone to shoot the .45 ACP and .45GAP of the same basic size from a rest and report back as the GAP People claim their Glocks are the most accurate Glocks made.

The G30 does what I ask. I try to love the 19 but she just don't love me.

I seem to shoot the G30 more accurately than any other Glock

My most accurate Glock is the G29...

:rofl:

hummmmmmmmmmmm this is something I've thought about and rejected as legitimate.

I feel I shoot the G36 better than the G17. All you guys are saying the same thing, which I agree to. Just doesn't seem right.

The most accurate is the one that you shoot best.

.45cal Glocks have always been slightly more accurate than Glocks in any other caliber in my experience ... so I concur with this thread.

This fits in correctly with the fact that heavier bullets are inherently more accurate than lighter ones though - so there should be no surprise here. At the moment a bullet leaves the barrel, hot high-pressure gasses blow out behind it. These gasses will enact forces on the bullet since they move faster than it and will make it, ever so slightly, skew. A heavier bullet will skew less since the gasses will not be able to "push" it as far. Another point is that the .45ACP is a very low-pressure cartridge, so the gas-related forces are smaller to begin with.

This is one of the reasons why a reloader will experience different accuracies using the same bullet, seated to the same depth, in the same case, but with a different charge or powder. It's also why milder rounds tend to be, on average anyway, more accurate than hot-loaded rounds.

BillyNg said:

At the moment a bullet leaves the barrel, hot high-pressure gasses blow out behind it. These gasses will enact forces on the bullet since they move faster than it and will make it, ever so slightly, skew. A heavier bullet will skew less since the gasses will not be able to "push" it as far. Another point is that the .45ACP is a very low-pressure cartridge, so the gas-related forces are smaller to begin with.

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Oh, and for the naysayers ... take a look at this vid: http://www.youtube.com/watch?v=otpFNL3yem4

Observe the speed of the gasses that come out of the barrel BEHIND the bullet just after it leaves the barrel. A higher-pressure round (like 9mm compared to .45) will have faster gasses behind it and a lower-weight round (like 9mm compared to .45) will be deflected more by these gasses.

Now of course, this is not the end-all argument on accuracy - there are a thousand variables that go into how and why a bullet flies the way it does, but eliminating wind from the variable list (as you would be able to do at say, an indoor range) .. this explains why heavier bullets are generally more accurate - all other things being equal.

Of all the Glocks I've owned, the 30 and the 17L shoot the most accurate for me, with the 20 and 19 close behind. Considering how short is is compared to the others, it's really an amazing pistol.