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While it is physically possible to do (G34 slide on a G17 frame), i don't believe that this is an IDPA legal modification to put a different length slide on a factory gun.
Sounds silly, as both guns use the exact same frame, but I believe that this is the ruling from IDPA HQ.
Someone please feel free to correct me if I am wrong.
Steve
I am not familiar with IDPA but such conversions are not allowed in USPSA Production class. It is silly because such a conversion offers no advantage to the shooter over the stock pistol; the only way you can detect this swap is by checking the serial number. This is too bad because such swaps are often the only way MA shooters can get their hands on a 34 or 35.
Not entirely true....lots of the MA guys have 34's and 35's. It just takes some looking around and patience.
Steve
Unfortunately, it is rather hard to buy a new G34 in MA.
If you price out the components to build a G34 upper-
slide
internal slide components- springs, firing pin, extractor, safety pin, recoil rod and spring etc
barrel
Stock cheap Glock front and rear sights
You will see that the above would total $400+.
This would give you one gun that you could swap uppers on. There is so little difference that if you built this for IDPA or USPSA, you probably will never use the G17 slide again. The resale value of the gun with both uppers may not get you dollar for dollar what you paid.
If you look at the alternative option, buy a new G34, sell the G17, calculate the delta and for a lot less money you have yourself a brand new G34.
There is no option in USPSA Production Class. You cannot legally convert a 22 to a 35 or a 17 to a 34.
The lower receivers for the G17 and G34 are identical. If you retrofitted the G17 with a G34 upper, it would be impossible for anyone to affirmatively disqualify a shooter under this scenario. So even though the new USPSA rules seem to disallow this, in practice it would appear to be a non-issue.
Because many Glock receivers are shared by different models, I have to believe that this USPSA rule will be revisited. There is absolutely no difference or competitive advantage involved with someone making a G17 a G34. The converted G34 is identical to any other G34. Creating rules which can not be enforced makes no sense.
I'm on your side, BUT this issue was addressed by John Amidon in his column in "Front Sight". He maintained that for a gun to be eligible for Production, it must be as built by the factory and specifically addressed parts swapping as verboten. I don't think this will pose a problem in local matches, but could get you in trouble at a major match. Unfortuately, this ruling can be enforced by checking the serial number. Again, I agree with you and hope that Amidon, et al see the light.
This was the point of my prior thread.
There are many "legal" situations where the barrel SN and the receiver SN do not match.
- conforming after market barrel
- damaged/ defective barrel replaced with another Glock barrel, new or used
- damaged/defective receiver replaced with another Glock receiver, new or used