While you are on the site, in your browser find and click "Add to Home Screen" A CGN beaver app icon will then be created to your phone that is directly link to the site.
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I actually had that option from where I got it from (P.O. had stock of both) but I handled both in Arizona about a month ago and I preferred the RTF and went with it.
If things work out, I will be at the range with it on Wednesday...
It is Win SXZ JHP. Looks like lead but is actually some type of lubricated copper coating for better feeding... at least that is what the box says, I have yet to test it ... will update hoping Wed. I will start with with reg FMJ before trying that stuff though
Welcome to the world of Glock.
There is an endless supply of aftermarket parts for your gun that can help improve/customize it to you.
I'm in the middle of testing out a bunch of parts and posting my findings in "My Glock 19 Build Thread".