[deadandgone]

Recently purchased G29 sf, and also bought a lone wolf 10 mm barrel. I have had this for a month or so, and just today REALLY examined the two barrels. Now I work in an R & D lab, and I pay attention to details. I look at the two barrels, side by side, and I cannot see a difference in the support area of the barrels, where the bullet seats in the chamber and/or in the ramp area. I just don't see ANY difference, except for the color.

Is it possible that Glock is using a new barrel? I've looked at the photos on the net, and honestly, I cannot see a difference in the two I have. Could this mean that they are both good, or both bad....or am I missing something I cannot see?

I ponder, and await....

thanks

[deadandgone]

Sorry to waste anyone's time..I didn't have bullets in the chambers side by side before, and now I do, and now I can see the small but important difference.

Not the first time I've felt stupid...but it sure would be nice if it were the last.

[leadslinger13]

short thread..... but its nice to see you saw the difference. it is also nice that no one flamed you before you got the chance to correct yourself. life is good.

[samurairabbi]

There are a couple other subtle, yet important, differences between the stock and LW barrels:

1) Take calipers to the chamber areas of both barrels. The Glock chamber will be a few thousands LARGER diameter than the LW barrel. This difference is intentional.

2) Take calipers to the groove-to-groove diameter of the LW rifling, and then measure the corresponding "largest" diameter in the Glock barrel rifling. The Glock dimension will be a few thou SMALLER than the LW groove-to-groove dimension. This difference is also intentional; the "circular" part of the Glock barrel diameter contour fits the bullet tighter than the groove/groove diameter of the LW rifling.

[_The_Shadow]

My G-29 factory barrel does offer a good amount of case support at the feed ramp as compared to other makes/models. The tightest chamber sofar has been the LWD 9x25Dillon conversion for the G-29 and it is comparable to a cartridge gauge.

That being said, I also changed out recoil rod and springs with the understanding that this would maintain barrel lock up tighter for a slightly longer duration. This can serve two purposes...

1st Maintaining a more positive lockup to keep the slide from opening too early while pressures are higher. If it unlocks and the slide moves this can leave the cartridge case more unsupported and sense the pressure is still high bulging and smiles can occur easier.

2nd The recoil rod and spring slow the slide velocity rearward movement for improved recoil management and return it to battery for positive feeding.

My results have been positive using this setup however YMMV!