Glock 20 Gen 5 Problems - BLAM! The shot was noticeably loud and sharp. On the other hand, I was shooting sold out 10mm. Dirt spilled over his face. - What does it matter? I thought dirt or bullet material was ricocheting from below. But the impulses from my hands reached my brain and I looked at my GEN3 GLOCK 20SF and saw that the right side of the frame was blown out, the magnetic catch was missing, and my strong hand had been redirected elsewhere on the grip.
I immediately cursed (warning: the video is language optional) and threw the gun on the floor in front of me (pointing downwards, of course). Since I was shooting from my knees, it was best to put it on the snowy ground.
Glock 20 Gen 5 Problems
The first step, of course, was to take stock of myself. Everything was still attached. There was no blood or open wounds. My God, my hands are tight. It probably didn't help that they were already freezing to death from several hours of shooting outside in the snow. Hell, I wish I had gloves on. At least they would prevent the pressure cleaned carbon soot from staining my skin - a nice straight line down my thumb from the hole in the slide/frame, around the webbing of my hand from the same, and a few other places.
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However, I am very glad I had eye protection. I took off the silly sunglasses I wear in most of my videos and put on real, safety-certified lenses since I was off camera. Not that sunglasses were not enough. There was no damage to my face as I sandblasted a small amount of minor debris. But it could easily have been a completely different scenario.
As you might have guessed from the first shot, the right side of the magazine rack, which was trying to reach low Earth orbit, did the most damage. It was completely covered by my strong side hand in a tight grip matched with the underside of the trigger finger. In fact, right in the web between the ring finger and the middle finger.
As the rifle bounced off the heavy recoil and the top of the frame popped out, my hand seemed to move enough for the magazine release to hit the first knuckle of my index finger as it popped through the top. The photo above was taken three days later and shows broken vessels and minor bruising. It was mild, but not really that bad, and that's the amount of damage I sustained.
Inside the carriage was a Lone Wolf 6.6-inch rifled barrel and a 21-lb. outgoing spring. I have fired hundreds of 10mm rounds through this setup with no problems. Turns out I must have been lucky to have this barrel with better body support than the factory version in the gun at the time.
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Significant gas pressure clearly shot into the magazine. It smashed through the front of the tracer, pushed the magazine almost completely out of the frame, and caused it to expand so much that the polymer layer split all the way to the base plate. When I removed the magazine from the gun, the number two cartridge was exactly as shown above.
Believe it or not, the frame was back in place and everything (except the magazine release) was still working at that point. I was then able to verify that my G20 wouldn't turn on without a battery, ruling that out of the list of possible causes.
It was certainly dirty, but as far as I could tell, nothing was out of spec. It's currently with Lone Wolf for a full review, but I believe it survived the ka-boom without a scratch.
What caused the explosion? We know it wasn't a battery fired gun, and thanks to the video of the previous shot, I was able to definitively rule out the possibility of a barrel clog. Everything pointed to a bad cartridge.
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The ammo in question was from Underwood Ammunition, a brand I know, trust and feel very close to. Specifically, it was their 10mm loaded with Lehigh Defense's Xtreme Penetrator solid copper projectile.
I contacted Underwood and presented my case, suggesting that I believe it is almost certainly an ammo problem. Specifically, my guess was either a double charge (too much powder in the case) or a loose bullet hitting the case during feed, causing a pressure surge.
Underwood was very responsive, friendly and helpful. They immediately stepped up to the plate and told me that at my request they would either replace whatever was damaged or send me a check for the correct amount. All I had to do was send them a list of the broken items: a full size GLOCK SF frame, a G20 magazine, a Kirkland Signature extra-medium boy's underwear.
They also emailed me the shipping label so I could send them the rest of the ammo for inspection. Underwood analyzed this and made the following statement about the cause of my G20 kaboom:
Glock Competition Thumb Ledge (left Side)
After receiving the ammunition and inspecting it, we determined that the cause of the firearm's malfunction was an anomaly in the shell.
The issue has been resolved and we have invested in state-of-the-art inspection equipment to ensure this does not become an issue in the future. This equipment uses infrared laser technology to detect any inconsistencies in projectiles or projectiles. It can do this with far more care and precision than any other method we've come across.
We never want anyone to risk property damage or, worst of all, injury while using our product. Safety and quality are our two main goals when manufacturing ammunition.
In particular, the diameter of the projectile was below average. Although the case was properly crimped, the bullet easily pressed into the case (bullet recoil) as the bullet entered the chamber, causing a sufficient pressure surge to cause the damage shown above.
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I can only assume that Underwood will talk to Leahy about this (another brand I know and love that has a solid reputation for producing high-quality, innovative products and even won our Reader's Choice Award last year), but as for Underwood, they don't change their tune about taking ownership and sending a check. As far as they were concerned, it was their ammunition and therefore their responsibility, and they are going to make amends. Point. This level of customer service is definitely appreciated and they made the whole process as easy as possible.
As for me, I still rely on Underwood ammo and will continue to use it. I've done enough shooting (and browsing the web) that I've seen some serious cartridge and ammo misfires from just about every major brand of ammo available. This kind of thing is a risk we all take as shooters. I'm thankful I wasn't hurt, thankful Underwood handled it so well, and I love that they use extra inspection equipment to make sure even shells purchased from reputable manufacturers are measured before loading.
My main takeaways are: Always wear eye protection, keep a first aid/trauma kit in your bag, guns and ammo are complex systems that can fail in dangerous ways, and maybe I just wear shooting gloves more often.
[UPDATE] Additional information from Underwood Ammo regarding the recall issue and expansion of the brief statement previously provided:
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In hindsight, I neglected to specify that the other shells that were too small did not come from the same box of ammo we sent you, but from the same batch of shells we received from the manufacturer. We searched them all and found 4 additional shells in addition to the one causing your malfunction. We also went through our shelves and checked every round that had already been loaded and found no problems. We are confident that this issue is isolated and resolved.
However, we thought carefully about the recall because we don't want anyone else to be put at risk. As a result, we will contact all customers who purchased the same batch number as you and offer them the opportunity to exchange their box of cartridges for a new one. service kit with all sorts of good links, product reviews and photos - but again something came up that I thought I needed to address immediately. However, I can make this a bonus post and still do the post I originally planned, especially since it will likely continue while I wait for parts and test fixes to arrive in the range.
Yes, further on - I have fallen victim to a problem that seems to be quite common in late gen 3 (~2013) and 4th gen Glock 17s and 19s. Start typing "Glock 19 er" into Google and it will complete the thought for you.
It seems like that
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