Seems like they're tight guns. I don't feel a lot of play in the barrel to slide or slide to frame. I shot about 150 rds from a G30 and it was ok. I wasn't the most accurate with it. Offhand I can shoot 6" groups at 12 yds and sometimes 2" on a good day. I averaged 6"-8" with no good groups that I can recall with the G30. Curious if anyone has seen or actually done accuracy testing of a Glock. I have no doubt it can shoot better than 6-8" at 12 yds and I was probably the issue there.
Mechanical Accuracy of Glocks?
- Thread starter 777funk
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They are no target pistols but would easily hold a 1" group at that range mechanically. If you put it in a vice and shot it that is what you should get.
The Glock 30 and 29, the same gun in different calibers, tend to be more accurate than many of the others mechanically, but also harder to shoot than many of the others as a result of the larger calibers and ergonomics.
Mechanically it is one of the most accurate Glocks there is.
The Glock 30 and 29, the same gun in different calibers, tend to be more accurate than many of the others mechanically, but also harder to shoot than many of the others as a result of the larger calibers and ergonomics.
Mechanically it is one of the most accurate Glocks there is.
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The G30 is certainly one of the most accurate Glocks available. I don't see any reason it shouldn't hold 2" out to 25 yards. At half that, you should be getting close to 1" groups, 2" at the worst
Zerodefect
member
As accurate as my 1911's.
The wide grip on the compacts is nice for follow up shots. Currently my best shooting pistol is a custom Glock23. I only have compact and subcompact Glocks right now.
The wide grip on the compacts is nice for follow up shots. Currently my best shooting pistol is a custom Glock23. I only have compact and subcompact Glocks right now.
rockhopper46038
Member
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- Sep 1, 2013
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Not nearly as accurate as MY 1911s, but perfectly adequate for a general purpose handgun.
I've put a lot of rounds through a G30, and, like my other Glocks, found it to be accurate enough for my purposes. I don't shoot bullseye, but, if I did, I wouldn't pick a Glock for shooting bullseye.
I'm pretty sure that a G30, in the right hands, can shoot AT LEAST 2" groups at 12 yds.
I found the G30 to be one of the softest-shooting .45s that I've shot, and that includes softer-shooting than any of my 1911s.
I'm pretty sure that a G30, in the right hands, can shoot AT LEAST 2" groups at 12 yds.
I found the G30 to be one of the softest-shooting .45s that I've shot, and that includes softer-shooting than any of my 1911s.
I have a 30 since they came out. I find it is capable of shooting as well as a 27 and almost as good as a 26. The gun is dead on accurate, "if you have large hands. If you have small or average hands it can feel too wide. I have a very big hand for a 6 foot man, My fingers are very long so it suits me fine.
45_auto
Member
Google is your friend. People have been accuracy testing Glocks for about 30 years now.
Guns & Ammo seems to think they'll easily shoot around 2" - 3" at 25 yards rested on sandbags.
http://www.gunsandammo.com/reviews/glock-17-gen4-review/
Guns & Ammo seems to think they'll easily shoot around 2" - 3" at 25 yards rested on sandbags.
http://www.gunsandammo.com/reviews/glock-17-gen4-review/
RBid
Member
They're more accurate than we need them to be for defensive purposes. FBI HRT, Delta, and some other hostage rescue groups have used them or are still using them. Ammunition selection will make a difference for truly elite shooters.
1911 fanboys will call out that there are various 1911s with accuracy guarantees that can out shoot Glocks in the right hands. They are correct.
There are lots of videos around of people making consistently accurate shots with Glocks at ranges far beyond what is a realistic distance for private citizen defensive handgun use.
1911 fanboys will call out that there are various 1911s with accuracy guarantees that can out shoot Glocks in the right hands. They are correct.
There are lots of videos around of people making consistently accurate shots with Glocks at ranges far beyond what is a realistic distance for private citizen defensive handgun use.
My G30 shoots more accurately than my LW Commander. My G21 is about even with my stock Colt Series 80 Govt, while my Series 70 custom and my LB SRP are both more accurate. They should be. The '70 has a fitted NM barrel and bushing, and is pretty much a Gold Cup duplicate. The SRP is the most tightly-fit 1911 I've ever seen, and guaranteed to shoot 1.5" groups at 50 yards, and cost over 4x the G21's price tag.
The G34 is a very accurate 9mm. The G26 is much more accurate than it ought to be, with that short sight radius and stubby grip.
All in all, I wanted to hate Glocks - cheap, plastic, fugly imports that they are - until I bothered to learn to shoot them. Now they are accurate, dependable, fugly, inexpensive, boring firearms. And all I carry.
The G34 is a very accurate 9mm. The G26 is much more accurate than it ought to be, with that short sight radius and stubby grip.
All in all, I wanted to hate Glocks - cheap, plastic, fugly imports that they are - until I bothered to learn to shoot them. Now they are accurate, dependable, fugly, inexpensive, boring firearms. And all I carry.
mgkdrgn
Member
I suspect your "hunch" is right, and the gun is capable of shooting better than 98%+ of the people that use them.
Walt Sherrill
Member
Re: mechanical accuracy.
I suspect, as the term is used above, it refers to using the sights and shooting the gun, and not a Ransom Rest test, which is the true test of mechanical accuracy (or, more correctly, precision.)
A polymer-framed gun's mechanical accuracy is generally less than a metal-framed gun because the polymer frames are said to be a bit less consistent in their ability to return the slide to the exact same place after each shot... But, YOU aren't a Ransom Rest and can re-sight the gun with each shot -- which isn't done in a Ransom Rest test. For sighted fire most polymer-framed guns should shoot about as well as the same class of (i.e., comparably-priced) metal-framed guns.
I've come to believe that slide to frame fit is not of great importance if you're using the sights, but barrel to slide fit IS important. (Others participating on this forum has mentioned using 1911s in the Army that had slides so loose they rattled, but they still shot EXPERT.) So some sloppy 1911s and equally loose polymer-framed guns can be accurately shot.
If gunmakers have or are developing newer polymer formulas that are more like metal in their ability to return to the same position with each shot, the conventional wisdom about Ransom Rest testing and polymer frames may go out the window.
I suspect, as the term is used above, it refers to using the sights and shooting the gun, and not a Ransom Rest test, which is the true test of mechanical accuracy (or, more correctly, precision.)
A polymer-framed gun's mechanical accuracy is generally less than a metal-framed gun because the polymer frames are said to be a bit less consistent in their ability to return the slide to the exact same place after each shot... But, YOU aren't a Ransom Rest and can re-sight the gun with each shot -- which isn't done in a Ransom Rest test. For sighted fire most polymer-framed guns should shoot about as well as the same class of (i.e., comparably-priced) metal-framed guns.
I've come to believe that slide to frame fit is not of great importance if you're using the sights, but barrel to slide fit IS important. (Others participating on this forum has mentioned using 1911s in the Army that had slides so loose they rattled, but they still shot EXPERT.) So some sloppy 1911s and equally loose polymer-framed guns can be accurately shot.
If gunmakers have or are developing newer polymer formulas that are more like metal in their ability to return to the same position with each shot, the conventional wisdom about Ransom Rest testing and polymer frames may go out the window.
Its funny how mechanical accuracy is more of a topic relating to semi-auto handguns than in the rifle sections where we talk about accuracy to MOA (minute of angle). Yep it is common for us to think of a bolt rifle as being inherently more accurate than an auto feeder. Handgun accuracy is really minimal relative to rifle accuracy.
Not being a Bullseye Shooter, I tend not to worry about mechanical accuracy in handguns. If I can't shoot at least a 2" to 4" group (standing freehand) @ 25 yards I (confirming that ammo selection is not the issue) then say that gun has to go. I haven't lost a revolver or semi-auto handgun yet. Seems past and present they build them pretty well.
Not being a Bullseye Shooter, I tend not to worry about mechanical accuracy in handguns. If I can't shoot at least a 2" to 4" group (standing freehand) @ 25 yards I (confirming that ammo selection is not the issue) then say that gun has to go. I haven't lost a revolver or semi-auto handgun yet. Seems past and present they build them pretty well.
Walt Sherrill
Member
Robert101 said:
Handguns are more like QUARTER-HOURS OF ANGLE. <grin> But, of course, they are designed to do different things in a generally different context.
Rifles (as a class of weapon) are more accurate than a handgun, and pack more of a wallop -- and are generally intended for use at greater distances, rather than up close and personal. MOA makes a lot of sense when dealing with rifles. In making the statements above and below, we run the risk of comparing apples to oranges -- as about the only thing shared between these two types of weapons are gun powder.
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Zerodefect
member
Glockworks Fulcrum Trigger (de-sensitize the drop safety)
Glockworks Spring kit
Gw polished light striker
Polished Ti FP safety
Lone Wolf 3.5 connector
Lone Wolf SS guide rod
Lone Wolf stiffer recoil spring (forget #'s)
You can fix the trigger if you do your homework. But be careful. A Glock .40 that bumpfires is NOT Fun. It'll still feel terrible, but it'll hit the target as well as anything short of a 1911.
You still have to decide and test the Glocks safety and spring balance. I tried the super light Gw race connector, and had to remove it. Wasn't safe. Glock parts work as a team, some setups are safer then others. Homework.
Glockworks Spring kit
Gw polished light striker
Polished Ti FP safety
Lone Wolf 3.5 connector
Lone Wolf SS guide rod
Lone Wolf stiffer recoil spring (forget #'s)
You can fix the trigger if you do your homework. But be careful. A Glock .40 that bumpfires is NOT Fun. It'll still feel terrible, but it'll hit the target as well as anything short of a 1911.
You still have to decide and test the Glocks safety and spring balance. I tried the super light Gw race connector, and had to remove it. Wasn't safe. Glock parts work as a team, some setups are safer then others. Homework.
Sauer Grapes
Member
Glocks can't be accurate. I saw a guy shooting a G17 at 50', he wasn't even hitting the target! 
Hangingrock
Member
This is all I need to know with a Glock G21 in regards to accuracy.It's a phenomenal gun "the 19"for the money. Sixteen rounds, 4 inch barrel, accurate reliable, what else is that good for 5-600 dollars. The gun has been torture tested by every Tom Dick and Harry, and while many criticize them "because some believe it's the cool thing to do" I don't see them shooting any better with any other 9mm of a similar nature.
Glock is the "standard, by which all other polymer guns are judged", we hear things like, it sure is no Glock, or shoots like a glock, looks like a glock, etc. It started a evolution in handguns, the first real change in many years, it gave credibility as far as reliability back to the semi auto pistol, which it had been lacking for years.
Those who weren't around before don't know how we longed for a pistol that would fire every time we pulled the trigger, that's why most of us carried a revolver. For undercover work and security work even Hwy patrol carried a 357, the S&W 39 and 59 auto series auto pistol came closest to being reliable enough to stake your life on, but the Glock put it over the top.
It's a different world now. I remember when NYPD switched to the 9mm, and it just looked so odd to see these big auto pistols where the 38's were the day before.
Don't let anyone kid you, Glock changed the way we looked at the auto pistol. From an oddity, or accessory to a tool. One gun instead of 3 snub nose revolvers and a Bauer 25 in your shoe.
Glock is the "standard, by which all other polymer guns are judged", we hear things like, it sure is no Glock, or shoots like a glock, looks like a glock, etc. It started a evolution in handguns, the first real change in many years, it gave credibility as far as reliability back to the semi auto pistol, which it had been lacking for years.
Those who weren't around before don't know how we longed for a pistol that would fire every time we pulled the trigger, that's why most of us carried a revolver. For undercover work and security work even Hwy patrol carried a 357, the S&W 39 and 59 auto series auto pistol came closest to being reliable enough to stake your life on, but the Glock put it over the top.
It's a different world now. I remember when NYPD switched to the 9mm, and it just looked so odd to see these big auto pistols where the 38's were the day before.
Don't let anyone kid you, Glock changed the way we looked at the auto pistol. From an oddity, or accessory to a tool. One gun instead of 3 snub nose revolvers and a Bauer 25 in your shoe.
Phaedrus/69
Member
Testing the mechanical accuracy of a Glock would be challenging. My knowledge might be kind of dated as I haven't seen one in years, but all the Ransom rests I've seen require a grip panel that couples the gun to the rest. I can't figure out offhand how you would do this with a Glock or any other poly pistol that doesn't have detachable grips. Maybe the Gen4 can be coupled by the backstrap?
In real world use Glocks seem to be basically accurate; of course, they've made many models over a couple decades, so it will vary from unit to unit. I've seen a good shooter empty the full mag of a Glock 22 into a ragged hole 2.5" in diameter (offhand)...at 60'! That's pretty good shootin' with any gun.
In real world use Glocks seem to be basically accurate; of course, they've made many models over a couple decades, so it will vary from unit to unit. I've seen a good shooter empty the full mag of a Glock 22 into a ragged hole 2.5" in diameter (offhand)...at 60'! That's pretty good shootin' with any gun.
How about mount it solid using the accessory rail?
Phaedrus/69
Member
Ah, that might work. I haven't seen a RR in years, do they accomodate mounting using the rail? That's a slick solution, no doubt.
Walt Sherrill
Member
It must be possible, for if you go out to either Midway or Brownells, you'll find inserts for a variety of Glock models, and other polymer-framed guns. Perhaps newer models of the Ransom Rest use inserts that fit AROUND the grip?
I've never been close to a Ransom Rest in real life...
If some polymer frames have as much GIVE in them as they seem to, I wonder how meaningful the results might be, with regard to THAT aspect of accuracy?
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