No, this must be used with the slide that is included with the Advantage Arms .22 LR conversion kit. The Glock 19 Gen 3 conversion kit can be found here: https://www.opticsplanet.com/advantage-arms-glock-19-23-22-lr-conversion-kit-w-10-round-magazine-and-range-ba.html
You will need the Advantage Arms Glock 19/23 .22 LR Conversion Kit w/10-Round Magazine at the link below. This barrel is designed to work with the Advantage Arms kit. The kit at the link below will work with a Glock 23 Gen 3.
https://www.opticsplanet.com/advantage-arms-glock-19-23-22-lr-conversion-kit-w-10-round-magazine-and-range-ba.html
There are not currently any Advantage Arms conversion kits that come with the threaded barrel, it is only available as an optional upgrade sold separately.
Yes it will.
Yes it will be compatible if used with the Advantage Arms .22 LR conversion kit.
No, it must be used with the slide from the Advantage Arms .22 LR conversion kit.
This barrel must be used with the slide from the Advantage Arms conversion kit, which will also come with a magazine. If additional magazines are needed, then they can be found here: https://www.opticsplanet.com/advantage-arms-glock-19-23-22lr-10-round-magazine.html
Yes, as long as it is used with an Advantage Arms .22 LR conversion kit.
This barrel will not work with a Glock factory slide, it must be used with an Advantage Arms conversion kit which comes with a proprietary slide and magazine.
No, this is not compatible.