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Gen4 durability. Who has a high round count Gen4?

13K views 45 replies 35 participants last post by  WeeWilly 
#1 ·
Now that the Gen4 Glocks have been out for a while, I am wondering who has a high round count Gen4. If you had one that failed, what failed on it and about what round count was it? What is the general consensus on Gen4 durability vs the previous generations?
 
#3 ·
My duty gun is not a high round count gen4 31. Just old. Got it in 2010. Jammed on round 3 out of the box. Smacked it. Cleaned it. Works just fine now.

Average 500 rounds a month minimum. Only replacing RSA every six months to be on the safe side.

It's been rained on, snowed on, tossed around but still working fine. It's always had some sort of WML on it as well.

Going to slow down with it to maybe 46 rounds a month (3 mag fulls). Getting a gen4 35 MOS and 357 barrel to beat on. The city only buys so much ammo...

My gen2 19 from 1998 has way more rounds through it and is working fine.
 
#11 ·
So according to my math that comes out to about 40,000 rounds through a Glock 31 357 Sig without any problems AND STILL in good working order. So much for the rumor that the 357 Sig round wears guns out, 40,000 thousand rounds is more than I will shoot in a lifetime much less through just one gun! After all I don't want my 357 Sigs to "wear out"!
 
#12 ·
I have 10,000 plus rounds in my Glock 17 Gen 4. The modifications I made was a G34 connector resulting in a trigger pull just under 4 pounds. I replaced the stock sights with adjustable trueglow night sights.
I shoot in GSSF indoor and outdoor matches so I'm limited to the changes I can make and still qualify to shoot in stock class. At 7,000 rounds I had the Glock armorers at the match replace all the springs.
At the 10,000 round mark I have one fail to eject failure. I only shoot reloads consisting of 147 gn XTREME bullets with a MV of approx. 900 fps.
I have a new G17 MOS with a Trijicon RMR RM06. The sight would shut off by itself randomly. The solution was the new version of the sight. The reason was the battery wasn't making solid contact so it would cut out. The physical difference between the old and new versions is the old version is two units and the new version is a single unit. For some reason the screws supplied to attach the unit to the mounting plate is about three turns to long. Trijicon and Glock are pointing fingers at each other. The solution is to contact Glock and have them ship a new set of screws. I was able to grind the screws down to the proper length without damaging the screw threads.

Sent from my SM-G950U using Tapatalk
 
#17 ·
This design has been around virtually unchanged since 1981 - which is both good (for consistency of a design platform) and bad (total lack of innovation and being outpaced by the competition). So we have about 36 years of beta testers who have conclusively demonstrated that the Glock design - irrespective of generation - has set the benchmark for durability in the plastic striker gun genre.
 
#18 ·
I've put three million rounds through my Glock Gen 4 that I bought two months ago. Still going strong. Had to put a bit of lube on it though last week.
you could have bought an entire collection of Glocks for the price of 3 million rds of ammunition.

use them for a few thousand then throw away like a disposable BIC lighter
 
#25 ·
I have 2 gen 4 g20's. One for woods carry SD that shot 300 rounds when new to confirm reliability, gets cleaned and shoots one mag every about 6 months since.

The other is for training and backup. Shooting more then 5K+ and so far no issues whatsoever.

The only mis-feed/jam issues I had were due to an after-market StormLake stainless steel barrel that had a very tight chamber. Empty cases I tried later would have a wiggle in stock barrels but not in that one stormlake, either no wiggle room or stuck. Contacted Storm lake and they will take care of it. Just mailed it to them with a shipping label they sent me.
 
#29 ·
I've put three million rounds through my Glock Gen 4 that I bought two months ago. Still going strong. Had to put a bit of lube on it though last week.
You only had 4.88 million seconds in 8 weeks to run your 3 million rounds. Great performance. Can you post your regular diet to achieve that superlative personal performance? Oh, how much time do you estimate you used for bathroom breaks and for eating? I couldn't perform this well in Florida because it's too hot. My Glock would overheat too. Did you adapt a watercooling system from a machine gun? LMFAO.
 
#33 ·
This design has been around virtually unchanged since 1981 - which is both good (for consistency of a design platform) and bad (total lack of innovation and being outpaced by the competition). So we have about 36 years of beta testers who have conclusively demonstrated that the Glock design - irrespective of generation - has set the benchmark for durability in the plastic striker gun genre.
And yet they still can't decide what finish to put on the slides.
 
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