The truth is, you'll only have to invest a fraction of that to build it yourself...
You'll get the rugged reliability that Glocks are known for because you'll be using the same "internal parts" that make these handguns work, but you'll be building the receiver by hand...
And even better, because you're building it, it will be 100% custom to how you like it.
In fact, because you'll be only using the parts you want to use to build your handgun, you'll be able improve anything you don't like about factory Glock handguns ...
If you want a better trigger you can do that ...
If you want better sights, that's easy too ...
The truth is it's all up to you and it might even save you money.
Look at it this way: many people buy a Glock handgun for $600 or more.
Then they don't like the sights, so they spend another $190 getting good, steel, night sights ...
And they don't like the trigger, so they spend another $150 upgrading the trigger ...
After just a few upgrades and they've already spent near $1,000 upgrading a brand-new handgun!
Doesn't it just make sense to simply build the handgun you actually want, from the start?