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glock G20/40/29 longevity

Glock 20
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10mm g20 g29 g40
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21 - 40 of 66 Posts
#21 ·
FrankenGunBuilder said:
Plastics do deteriorate with age, environmental conditions, and chemical exposure.
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Glocks are exposed to plenty of chemicals, so that would be a worry past age. It will be interesting in the next few decades to see if there is any degradation of any gen 3 guns. When someone has a Glock that is chipping, it's always a gen 1 or 2. I don't think I have ever heard about any later Glocks doing it.

I guess at the end of the day, any polymer gun should be used in our lifetimes and not be counted on to passed down.
 
Discussion starter · #22 ·
Jason D said:
Glocks are exposed to plenty of chemicals, so that would be a worry past age. It will be interesting in the next few decades to see if there is any degradation of any gen 3 guns. When someone has a Glock that is chipping, it's always a gen 1 or 2. I don't think I have ever heard about any later Glocks doing it.

I guess at the end of the day, any polymer gun should be used in our lifetimes and not be counted on to passed down.
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Would be nice if glock made the same gun in all metal. I for one would pay the extra money for it and would not mind the extra weight. All my glocks have tungsten or stainless steel RSA and a StreamLight TLR1-HL. A few more ounces would not matter.
 
#26 ·
OrangeDot said:
Would be nice if glock made the same gun in all metal. I for one would pay the extra money for it and would not mind the extra weight. All my glocks have tungsten or stainless steel RSA and a StreamLight TLR1-HL. A few more ounces would not matter.
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I have an all metal 17 but haven't seen a 20 that is all metal.
 
#27 ·
It's probably better to worry about maintenance schedules and keeping parts in stock than it is total round count.
 
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#30 ·
RGP said:
Doubletap used a G20, not sure what generation, for testing full power 10mm loads. They probably didn't test their loads in a pressure gun first because they eventually kaboomed that G20 but according to their documentation the kaboom was at the 80,000 round mark.
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What happened to cause a KB?
 
#32 · (Edited)
RGP said:
My guess is they tried some test loads that were too hot.

The Doubletap kaboom should be easy to find somewhere online.
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That was my initial thought too, wasn't sure. The 10mm with full loads and an undersprung RSA can be pretty violent so I'd imagine there could be increased wear on the frame from higher powered loads. I run 22 to 24 lb RSA springs on my 10mm Glocks.
 
#33 ·
RGP said:
There was a guy on this forum who vanished about a year ago who said he'd put 150,000+ rounds of 10mm handloads through his 1990's G20 and his gun was still going.
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He probably reached 300K.
He's now bankrupt, homeless, and can't afford a computer, after his wife and kids left him for spending all of he had on ammo.

Imagine putting what he spent on ammo on FANG stocks-- he'd be on a Yacht and posting all the time.
 
#34 ·
OrangeDot said:
Would be nice if glock made the same gun in all metal. I for one would pay the extra money for it and would not mind the extra weight. All my glocks have tungsten or stainless steel RSA and a StreamLight TLR1-HL. A few more ounces would not matter.
Click to expand...
I have a Glock with a metal frame - made by Rock Island. M&P has a metal option. Sig has metal striker fired options. If you want metal frames- stick with the fuddy hammer fired pistols.

Don't overestimate the "longevity" of metal frames, and underestimate polymer --for example Beretta had to redesign their frames and use buffers because of frames cracking when they went to .40 from 9.
 
#36 ·
FrankenGunBuilder said:
Plastics do deteriorate with age, environmental conditions, and chemical exposure.
Click to expand...
Is there any difference in the plastic chemistry between generations? Has there been testing on who makes the best plastic? I still use a G23, gen2, 30+ yrs old.
I'm really behind the curve on this topic, even though I started glock use in 1991...
I was an early believer, but know plastic won't last forever. I collect metal guns but happy to use plastic for EDC, and duty.
 
#37 ·
JMD23 said:
Is there any difference in the plastic chemistry between generations? Has there been testing on who makes the best plastic? I still use a G23, gen2, 30+ yrs old.
I'm really behind the curve on this topic, even though I started glock use in 1991...
I was an early believer, but know plastic won't last forever. I collect metal guns but happy to use plastic for EDC, and duty.
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A metal frame's life is even shorter under some of the same conditions where a plastic frame would be unaffected. There is a tradeoff in terms or resistance and durability. While the metal is highly durable it is not as resistant as plastic to water. Of course, high heat can and will kill plastic very fast.
 
#38 ·
You’re worried about the longevity of a $700 gun? A gun that shoots ammunition that is about a buck a round. Let’s say it only last 25,000 rounds which should be extremely low in terms of a Glock. That’s $25,000 worth of ammunition, if you can afford that much ammunition, you can easily forward to buy a new one when it wears out.
 
#39 ·
You can't wear out a glock 10mm unless it breaks or cracks a frame. I've bought used 29s made in 1997 that was grouping like 12inch patterning like buckshot I changed the slide lock spring and recoil springs and it was than shooting normal 2in groups.
 
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