Making a .22 supressor without a license is a federal crime.
You use the Supressor. It is an attachment for your gun
A shoulder stock permits a more steady aim, and generally improves accuracy.
This is a device which dampens the flame which comes out the muzzle of the gun when it is fired. The supressor reduces the dazzling light that would temporarily blind the shooter or reveal his position.
You can't. In order to make the game seem more lifelike Activision made it so your hand moves from just like in real life. It is nearly impossible to hold a gun completely still when it is not on a base of some sort.
To use a pop rivet gun effectively, first insert the rivet into the gun's nozzle. Then, place the gun on the material you want to fasten and squeeze the trigger to secure the rivet in place. Make sure to hold the gun steady and apply even pressure for a strong and secure connection.
To use a staple gun effectively, first load it with the correct size staples. Press the gun firmly against the surface you want to staple, then squeeze the trigger to drive the staple in. Make sure to hold the gun steady and apply even pressure for best results.
Take a steady aim.
Sometimes it will.
I'm not sure which type of supressor you mean. There are external supressors which screw on to the end of the barrell like a real gun and there are internal supressors. External supressors are purely cosmetic and will not change the way your gun fires. Internal supressors will decrease the noise your gun makes as it fires. They are not too common and need to fitted by a profesional airsmith. My best advice is if you want one fitting to go down to your local shop and ask about them. Hope i helped . :) You can get a mock suppressor that just makes your gun look cool (and it actually decreases the sound a little bit), one that makes the sound louder, or more recently they started making mock suppressors that when used with certain bb's caused them to light up making a "tracer" effect.
A BAU agent is allowed to carry a gun as long as they have passed their test to be eligible to carry and shoot a gun. To be able to carry a gun you must know how to shoot and hold the gun steady. More correctly, you have to be able to pass the FBI shooting qualification test, and that applies to all agents, not just BAU.
The armband is used to steady the gun while they shoot. There's a small attachment to the sling of the gun that helps hold the gun securely to the shoulder.