It should have only been disassembled at operator level. You place the barrel into the slide, place the return spring into the slide, mount the slide onto the frame (pulling back the slide into place), flip the slide release up, then perform your functions check.
Cartridge retainer?The 12 has a cartridge tube magazine under the barrel, you mean a cartridge deflector? I've never seen one on a 12, that would belong to a 24.
See, What will a retainer do.
Make sure it is unloaded and it needs to be on safety. Then all you do is remove the magazine cap, release the retainer, let the spring pop out and then you can remove the plug.
remove magazine end cap and hold one hand over end (CAUTION RETAINER IS SPRING LOADED POINT IN A SAFE DIRECTION WHEN REMOVING) using a flat head screwdriver pry up on retainer. Check your local regulations before removing the plug on your gun.
A retainer is used for straiting your teeth if its messed up.
* It does not hurt to get a retainer * Before you get it, they have to make impressions of your mouth which is not painful at all * You need to brush your retainer at night * The retainer covers your top teeth put has a wire in front of your incisors(top teeth) * You get to choose the design/color of your retainer
You'd probably break the retainer, another pair would be best.
Loop retainer Hard cast Fixed retainer
If your current retainer does not have suffiecient credit remaining, the attorney may ask for an additional retainer
You can't, any qualified dentist will not fit you with a retainer if a retainer is not needed. If they did so they could be sued.
Yes, the retainer will still fit properly. The filling fills a hole on the inside of the tooth, and the retainer covers the outside of the teeth so the cavity is not affected.