can't be answered as written. You must define what you mean by "killers"
Most commonly used rifle is a .22
One that you can not touch and be around does that answer your question Not sure what that answer means. It depends: most snipers use a large caliber sniper rifle of some kind, but not every one uses exactly the same rifle. Most major manufacturers make some sort of sniper version of the rifle.
Have it examined by a good gunsmith. This rifle use a .22 caliber bullet, long rifle.
I'm pretty sure they used VOX synths...
They use many different types, but the most common weapon in their arsenal that they use is the P-90 tactical assault rifle.
It was a Remington M-40 Sniper Rifle.
Laura's pa hunted with a rifle so probably a rifle and bow
Varies by country and department/agency.
Ddepends entirely on which rifle- there are thousands of different cartridges, and different bullet types. Sorry-
L1A1 Self Loading Rifle. It's a variation of the FN FAL.
First of all, you spelled assault wrong. Now for the answer. The Navy SEALs use the M4A1 Carbine rifle.
In this order; centerfire rifle, shotgun, handguns.