G30 slide peening?

[45CAL]

Hello my experience with Glocks is somewhat limited, but it has been enjoyable. I have shot several variants over the years and previously owned a G35. It took me quite some time to warm up to the whole polymer thing however once I did I was very impressed with the Glock design. As of late I’ve become enamored with the G30, it just represents such a nice compromise of power and size and it shoots so well. Despite certainly NOT needing another gun, I ordered a new G30 from a local shop on my way home Friday and should have it early next week. Now for my question the G35 I previously owned had a real issue with slide peening, I know the 40’s are know for this but mine still seemed pretty bad in this regard. I’ve examined a couple of fairly new G30 slides and only detected a slight discoloration but no indentation from locking block contact. How do the G30’s fair in this regard in the long haul say after several thousand rounds?

[WalterGA]

I own two G21's, a G17 and a G30. I don't see any evidence of any peening in over 100,000 rounds through my Glocks. If you use a recoil spring that's strong enough, you probably won't see any peening either.

[45CAL]

Are you using after market recoil springs? If so what are you using in your G30? I would like to avoid the peening issue from the very start. I can hold off firing the gun until installing a new recoil spring, if that’s what users have found to be effective in the G30. I installed a higher rate recoil spring in my G35 after the peening started, but it didn't seem to help in that gun as the peening still continued to occur.

[NXS]

I am not sure what generation your 35 is, but I believe that Glock has corrected the peening issue on the newer models..

[Ljunatic]

My G30 too only shows slight discoloration on the slide ,but I only have about 1000 round through it. G17(1989 model)shows no peening with many thousands of rounds fired. I did put a steel guide rod and 19 pound spring in the G30 for targets and a 21 pound when called for(+p load)

[45CAL]

I see that a lot of people have installed Wolf's non-captured steel guide rod in their G30's. Has anyone seen problems with the Wolf system marring the polymer in the dust cover area???

[WalterGA]

No.

[45CAL]

WalterGA, you never mentioned if you were using the stock recoil springs in your G30. Does your reply about the Wolf recoil rod and spring not marring the polymer inside the dust cover area indicate that this is the system you use in your G30? As I said in an earlier post I would rather prevent a peening issue, than deal with it after the fact. The old adage of an ounce of prevention being worth a pound of cure seems like it might be applicable here. If the Wolf system does not introduce another set of problems as in marring the frame or barrel, I think id' rather just start out with Wolf guide rod and 21lb spring installed. Does anyone see a downside to this, other than spending an extra 40 bucks?

[WalterGA]

I do use the Wolff guide rods in my G30, with Wolff 19# springs for standard loads. I also shoot .400 Cor-Bon through my G30, at which time I go to 21# springs. I haven't noticed any ill effects, such as marring, etc., from my choice of the Wolff guide rods. I really don't think you're going to see much peening, if any, in the .45's, due to the nature of the recoil of the .45's.

My experience is that peening most often occurs in the .40's and .357, in which the standard recoil springs are much too light and the recoil is much snappier than the .45's.

I've shot a lot of .40 Super and .400 Cor-Bon through my G21's and G30. Both rounds are more powerful than the .40's, with considerably more recoil. I use threaded, compensated barrels and proper spring weights for the G21's, when shooting the more powerful rounds. I use an extended, ported barrel with the G30, when shooting .400 Cor-bon.

[45CAL]

Thank you Walter, I'm going to order the Wolf guide rod and springs, just need one last bit of advice. Please correct me if I'm wrong here the stock spring rate for both the G30 and G29 is 17.0lb's and your preferance for the G30 is a 19.0lb spring for standard pressure 45ACP loads, do you think the 21.0lb spring set would cycle properly with standard loads, or is it bit on the high side? Thanks again Walter, if this were a 1911 I'd know my way around but the G30's dual spring arrangment is all new for me.

[DAVEKO]

Ditto to Walter,;f Walter is right, I use the 21# springs on Wolff Gunsprings Guide rod and tube system and Walter is also the one that I got the information from on my G30 some time ago. I use the 21# spring all of the time and have no problems with pinging on the G30. I don't have nearly the amount of rounds which Walter shoots but on my G30, after 7,000 rounds, there is no pinging other than some slight slide rail discoloration. There has been no ftf, no jams, no ejection problems, no mag problems (I also use the 10% extra strength mag springs from Wolff), and no feeding problems from the Wolff Gunsprings recoil guide rod and springs....... ;f

[45CAL]

Thanks for all the information, I ordered Wolff guide rod and 19lb spring set. I may pick-up a 21lb spring set in the near future and give it a try. Any recommendations for a flush fitting grip plug for the G30??? Thanks again.

[DAVEKO]

Slug plug from Top Glock is what I have on mine works fine, no pinch with a nearly perfect flush fit.... http://www.topglock.com