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Since you purchased your G42 used you may want to check the manufacturer date (email Glock) as well as what types of magazines came with your pistol.

https://www.glocktalk.com/threads/glock-42-issues.1756888/

The G42 is a good little pistol, but they did have numerous issues early on for several reasons. Eventually Glock got it right, but it took a while. Make sure your mags are marked 03 for starters. See how it functions when you shoot it. Just to make sure you have no issues.

Secondly, careful ammo selection is necessary for a .380 pistol. A popular round for the .380 is any loading using the XTP bullet (Hornady, Fiocchi are a couple that load this round). Has good penetration characteristics and decent, if not stellar expansion.

This is a popular video series on .380 ammo testing.

View: https://www.youtube.com/watch?v=GNtPHYwcDts&list=PLgNSGOEQko_MjOCGyqlMTiM2njdQQRbdg
 

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G42 New User Warning: A recoil-operated auto-pistol with extreme low-mass frame (G42) firing low bullet muzzle momentum (aka "power factor") ammo (380ACP) MUST be held with a very firm grip or inadequate slide recoil velocity relative to the frame will produce all manner of malfunctions. The G42 requires more effort at firm grip and use of decent ammo than do all other Glock models. It's not a pistol design problem...it's just a consequence of the laws of physics.

The G42 is probably the best 380ACP pistol ever made...but definitely not the smallest. :)
 
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Nice choice! I want a 42 next. I have a 48 and a 19 on the way. Something about Glocks speaks to my inner collector nerd. Gotta collect 'em all!
 
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I just bought a used Glock 42, the guy said it only had a couple hundred rounds put through it and it looks like new. I recently bought a Glock 44 and I love it, this is my second clock so I'm still getting used to the whole Glock world.
Congrats! Enjoy!
 

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Discussion Starter · #13 ·
The guy I bought it from was left-handed, I had to change the mag release back to right-handed. That was very tedious, don't want to do that again.
 

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Since you purchased your G42 used you may want to check the manufacturer date (email Glock) as well as what types of magazines came with your pistol.

https://www.glocktalk.com/threads/glock-42-issues.1756888/

The G42 is a good little pistol, but they did have numerous issues early on for several reasons. Eventually Glock got it right, but it took a while. Make sure your mags are marked 03 for starters. See how it functions when you shoot it. Just to make sure you have no issues.

Secondly, careful ammo selection is necessary for a .380 pistol. A popular round for the .380 is any loading using the XTP bullet (Hornady, Fiocchi are a couple that load this round). Has good penetration characteristics and decent, if not stellar expansion.

This is a popular video series on .380 ammo testing.

View: https://www.youtube.com/watch?v=GNtPHYwcDts&list=PLgNSGOEQko_MjOCGyqlMTiM2njdQQRbdg
"Secondly, careful ammo selection is necessary for a .380 pistol. A popular round for the .380 is any loading using the XTP bullet (Hornady, Fiocchi are a couple that load this round). Has good penetration characteristics and decent, if not stellar expansion."

However, the 90 grain XTP will have BETTER penetration AND expansion when driven to higher than normal .380 velocities. The Underwood ammo takes the 380 up to a whole other level approaching the 9mm and exceeding the marginal level of most other 380 loads.

The guy who does the AMMO Quest tests has never tested the Underwood Plus+P 1200fps 90 grain XTP ammo. He has stated that he doesn't "Believe" in using Plus+P ammo in 380's. Maybe he thinks it's "cheating". But more likely he thinks that it isn't suitable for the smaller 380's which it isn't. But the Glock 42 is perfectly suited for this ammo both in terms of reliability, longevity, and recoil management. The Glock 42 loaded with Underwood plus+P ammo is the only 380 I would ever consider carrying. There are 9mm's that aren't that much larger.

https://www.underwoodammo.com/produ...-jacketed-hollow-point?variant=18785726398521

 

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"Secondly, careful ammo selection is necessary for a .380 pistol. A popular round for the .380 is any loading using the XTP bullet (Hornady, Fiocchi are a couple that load this round). Has good penetration characteristics and decent, if not stellar expansion."

However, the 90 grain XTP will have BETTER penetration AND expansion when driven to higher than normal .380 velocities. The Underwood ammo takes the 380 up to a whole other level approaching the 9mm and exceeding the marginal level of most other 380 loads.

The guy who does the AMMO Quest tests has never tested the Underwood Plus+P 1200fps 90 grain XTP ammo. He has stated that he doesn't "Believe" in using Plus+P ammo in 380's. Maybe he thinks it's "cheating". But more likely he thinks that it isn't suitable for the smaller 380's which it isn't. But the Glock 42 is perfectly suited for this ammo both in terms of reliability, longevity, and recoil management. The Glock 42 loaded with Underwood plus+P ammo is the only 380 I would ever consider carrying. There are 9mm's that aren't that much larger.

https://www.underwoodammo.com/produ...-jacketed-hollow-point?variant=18785726398521

https://www.glocktalk.com/threads/glock-42-underwood-ballistic-gel-test.1680884/
 

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Nice, enjoy that puppy.
Our are early manufacture, I sent in and exchanged all my non 03 magazines, I currently have Winchester JHP in mine, and have had no issues feeding it whatever I have found off the shelf.
I don't carry mine, but do it ready if ever need it and consider it a "range toy" I enjoy shooting.
 

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Discussion Starter · #17 ·
Thank you, I am pretty happy with it and the g44 that I recently bought. Never was much of a Glock guy until recently when I found out they had a USA plant in Georgia.
 

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My suggestion is spend time learning how to shoot the Glock platform. My wife and I have four, one for carry and one each for our range bags. We have thousands of rounds through ours. We both shoot them in the Pocket division of GSSF.
I keep mine in my pants pocket all the time. Learn how to shoot it accurately and depend on that as well. It's a great little gun as is the G44. Enjoy both.
 
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