Common Failure Items for Semi’s

It is most often model specific.
Any small part that is removed for maintenance that might be lost. The recoil spring assembly. If the firing pin/striker is mim (Metal injection molding), might be a good idea to keep a spare. After about 5k rounds or so you might consider replacing springs such as recoil, striker/hammer, and magazine springs.

I suggest you read up, research your guns. Learn about
them. Then you'll have a good idea what can go wrong.
And you'll have a decent idea of how to change parts.

All guns - recoil springs, trigger return springs, mag springs.

CZ- slide lock levers
Beretta 92/96 - locking blocks
P226 - locking block assembly
1911 - extractors

Now under normal person use you will probably never have issue 1 with any of it.

Navy87Guy said:

Research my guns? You mean like by asking people with experience what the most common failure parts are??

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Oh, all right, just an instance, determine on your Beretta 92s which
generation locking blocks you have. Might give you a hint as to durability.
That help?
For info on generations you might check The High Road.

Also determine which 92 trigger spring design you prefer, the stock
version or the conversion design which resembles a stirrup with
coil spring.

Decide what's best for you on the 92 hammer spring such as the
"D" version from Beretta or the handful of other weights.
Also pick out the slide recoil springs to accompany, if needed,
the hammer spring weights.

Recoil springs are good things to have spares of but they do last many thousands of rounds.

The materials that springs are made from today are pretty good and I feel that alot of the concern over wear is left over from days past when the materials were not as good. But, they are inexpensive and sometimes it is better to go ahead and replace them periodically.

I had a compact pistol based on the Tanfoglio Witness which I believe is loosely based on some CZ pistol. It would beat the snot out of the slide stop pin and I'd have to replace the slide stop every 500-600 rounds. If the CZ is that way, I'd lay in a couple slide stops.

I sent mine down the road, about the only pistol that I passed it's quirky behavior on to someone else.

Magazines are the most common failure point with Semi's. Have plenty of high quality ones as they are wearable items.

As others said; springs, springs, springs they are wearable items too.

Parts to keep on hand:

GLOCK - loaded magazines.






GR

Garandimal said:

Parts to keep on hand:

GLOCK - loaded magazines.






GR

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don’t forget good eye protection to keep the brass from bouncing off your eyeballs

1KPerDay said:

don’t forget good eye protection to keep the brass from bouncing off your eyeballs

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Those are the 9mm's... Punishment - for havin' weak wrists and poor hand strength.






GR

@Garandimal LOL

Garandimal said:

Parts to keep on hand:

GLOCK - loaded magazines.


GR

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PLUS..shoot the dern things often so you will notice something that will 'break' before you carry it, need it and then have that gizmo break. Don't need to pile hundreds of rounds thru it..25 or so on a regular range day.

I've only had one thing 'malfunction' on me..slide release lever on a G17..it still worked but 'lazy'..I keep recoil springs and extractors for my G42 and G17, they are cheap..but never had one fail yet.

Aside from springs wearing, the most common item I've had break on a semi-auto is extractors (one of which was on a Glock . . . ).

S/A pistols rely on a balance of springs and proper maintenance. Couple that with out of spec ammo and magazines and reliability suffers, a lot!

I've been a high volume shooter for many years and have only suffered a couple of broken parts. A magazine release tab and a barrel link. I have no idea what caused the tab to break except for usual wear. The barrel link was due to improper fitment.

Keep your firearms will maintained with a schedule for replacing springs including magazines. Check magazines for spreading feed lips. Ammo is probably the most common area for failure. Reading firearms forums will confirm this. Use good factory ammo and if you reload find recipes that work and don't change it! The adjustments to my reloading presses haven't been changed in years!

All the best,