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AR15.COM
5/30/2010 10:53:43 AM EDT
What kind of wear are you guys seeing?  What should I look out for.  I've got almost 6k through my M9.  I'm seeing a small burr on the frame just below the feed ramp.  Maybe where cartridges are coming up.  I'm also seeing some serious whitening and rounding on the frame where the locking block sits.  Other than that, nothing too worrisome.

I just changed my recoil spring out at the 5k mark.
5/30/2010 12:23:58 PM EDT
[#1]
Just got mine so I can't really speak for high counts yet but I know a few people with a few thousands rounds through theirs. I know one guy that has 10k through his.
5/30/2010 4:17:18 PM EDT
[#2]
I've heard to watch for cracks on the barrel lugs (where they ride in the slide rails) and on the ejection side of the slide (thinner metal on that side).  If you're not shooting +P/NATO ammo then you should be good for a long time.
5/31/2010 6:17:19 AM EDT
[#3]
I would lean towards doing my recoil spring a bit sooner, possibly around 3K rds instead of 5K, IMO.

My .o2
5/31/2010 12:37:14 PM EDT
[#4]
^Pretty sure Beretta recommends 5k, so that's a safe bet.

Mine has about 7k throu it.  It has some wear on the slide and frame towards the back where they rub against each other, paint missing is all.  I have been known to put 1200 rounds through between cleaning (). Haven't noticed any burs.  Zero failures thus far.

PS - I also replaced my spring at about 5k.
6/1/2010 8:52:46 PM EDT
[#5]
I lost count on number of rounds fired 15 years ago,but my 92FS has seen more than its fair share.Originally purchased the 92FS in 1991 and used it as my service weapon as a LEO.
My advice would be keep the weapon maintained and do visual inspections through your PM.I would not hold off on replacing the recoil spring and would say that twice a year is a solid plan for an active shooter.
Ive also found that using a good weapons specific grease helps keep the frame wear to a minimum.I use either TW25B or Weapon Shield grease.Apply a sheen of the grease to the slide and frame rails,the locking block legs and locking surface of the slide.And the most overlooked area is the barrel rails on the inside of the frame.If you don't keep that area lube it will wear badly.Apply a small amount to the hammer face as well.Then assemble and rack the slide a few times and wipe away the excess lube.
Doing that I have seen very little additional wear to the parts beyond normal breakin wear.
As a final note keep the inside of the mags clean and if they are kept fully loaded for extended periods its not a bad idea to replace the mag springs.
Just remember that springs are cheap,so keep a bunch on hand and keep the pistol fresh.
6/20/2010 10:36:11 AM EDT
[#6]
THIS!

Recoil springs are cheap, aluminum frames are expensive. I get to see M9's in various states of wear and the biggest problem is recoil springs that should have been replaced. Beretta recommends 5k, so that probably means you can go longer, but my 92f is long out of warranty so I cahnge my springs more often.

Quoted:
I would lean towards doing my recoil spring a bit sooner, possibly around 3K rds instead of 5K, IMO.

My .o2


6/25/2010 8:08:52 AM EDT
[#7]
I saw a military issue M-9 with a horizontal slide rail crack. No idea of the round count, but it was a lot.