I was reading through this thread and was going to suggest the G30. I also went with a G30SF with night sights. It's a great gun. I already have a 9mm, so 40S&W was just too close. There is another issue to consider with 40S&W if you reload. Glock pistols have an unsupported chambers. That means that a very small portion of the casing near the base is unsupported. After a round is fired, that unsupported area can bulge out and weaken. If you reload the same round and the same weakened area chambers in the same location, it can blow out.
The problem is most prevalent in 40S&W and there have been instances of +P and +P+ factory rounds failing. I recently bought a S&W Sigma not knowing that it has the same chamber design. I sold the gun the next day mostly because I don't want a gun that I can't reload ammo for. More than a few people have told me that the problem exists more in 40S&W because it is higher pressure round than 45ACP and more susceptible to over-seating or over-crimping.
I think the lesson here is not to load hot rounds for the Glock 40, 45ACP and 357Sig models and use good factory ammo for SD. Who needs hot loads for target shooting anyway.
PS...I haven't been able to find a tactical holster either. I'm trying to convince myself to buy a G21SF and set it up with a light/laser and keep the 30SF for concealed carry.
You run the risk of cases blowing out regardless of the caliber and model of firearm they're used in. My recommendation is to not reload the brass too many times. I'll reload brass a maximum of 4 times regardless what I'm shooting. My hunting rounds in my Ruger 77 .270 cal are all reloads. I mark my brass each time it's reloaded so I'll know how many times it has been reloaded. After the 4th time the brass is either recycled or made into something useful (I've been making stuff like ear rings and key rings). Between my buddies and I, we've fired literally THOUSANDS of reloads and only had a few problems, mostly ruptured cases but nothing serious like a "blow out".
I know one guy who reloads his brass as many as 30 times. I won't go that far, that's just way too risky for me.
He often has ruptured cases or other fairly serious malfunctions. Frankly I think the guy's outta his mind. :nono:
I wouldn't even bother with a Sigma. Read too many "bad" things about it. Shot a couple of them while "shopping" (couple of friends were trying to convince me that it was a "good" gun). Didn't like the trigger and the gun made a funny "clinking" sound when fired.
As for Glock pistols, they're very well made and have a solid track record. Like any piece of equipment, they have their share of problems. If you follow the manufacturer's recommendations, you'll have no problems. Note that Glock does recommend against shooting reloads through their pistols. By doing so you are assuming the risk for whatever happens. Think of it in terms of your automobile. If the manufacturer recommends that you use "high octane" fuel (like premium) and you use "regular unleaded", you run the risk of developing problems with your car. Firearms are the same way. If the manufacturer recommends a certain type of ammo, then it's best to follow their recommendations. I have an Advantage Arms conversion kit for my Glock 23 or Glock 19. The kit came with instructions that recommended that I use certain brands of ammo. If I use the recommended ammo, no problems. Once I begin using ammo that's "standard velocity", I get all kinds of problems.