Assuming you mean silencers, yes, but you have to go through a long drawn out process to legally obtain one. If you want to get one, check your local gun stores and find a class III dealer in your area and they can tell you what to do.
No, you are not allowed to use suppressors in New Zealand
Suppressors are legal, yes.
Yes, provided they have the proper NFA tax stamp applied to them.
Usually suppressors can be screwed on, so there should be notches to screw it on.
Depends on the suppressor. Many are made to be taken apart, soaked in solvent, brushed, and reassembled.
Check your local library, gun shops, gun shows and don't forget about google and dogpile search engines.
You can purchase silencers or SUPPRESSORS in attachments after selecting the gun I believe it is 2000 CoD points
Texas does not require gun registration.
If you are an adult, a legal resident of the US, and not forbidden from owning a gun because of a criminal history, and are mentally competent, yes, it is legal. There are several million legal gun owners in Texas.
sorry- no. Illinois law does not permit the possession of many firearms, such as full automatics, and does not permit possession of suppressors. See 720 ILCS 5/Art. 24 in the Illinois criminal code for more information. 2015 there are separate bills in both the house and senate which would legalize suppressors in IL. Call your reps and encourage them to support them.
Yes but what are you doing with a gun you bozo.
Jack Ruby could get any license he need, with ease.