Question: What plays an important role when handling a rifle or handgun?
About the article "Shooting", section "Competitive shooting".

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Marksmanship has inspired competition, and in several countries rifle clubs started to form in the 19th century.
Soon international shooting events evolved, including shooting at the Summer Olympics (from 1896) and World Championships (from 1897).
The International Shooting Sport Federation still administers Olympic and non-Olympic rifle, pistol, shotgun, and running target shooting competitions, although there is also a large number of national and international shooting sports controlled by unrelated organizations.
Shooting technique differs depending on factors like the type of firearm used (from a handgun to a sniper rifle; the distance to and nature of the target; the required precision; and the available time.
Breathing and position play an important role when handling a handgun or a rifle.
Some shooting sports, such as IPSC shooting, make a sport of combat style shooting.
The prone position, kneeling position, and standing position offer different amounts of support for the shooter.
An assault rifle is a selective fire rifle or carbine typically firing ammunition with muzzle energies and sizes intermediate between those of handgun and more traditional high-powered rifle ammunition.
Assault rifles are categorized between light machine guns, intended more for sustained automatic fire in a support role, and submachine guns, which fire a handgun cartridge rather than a rifle cartridge.
Assault rifles are the standard small arms in most modern armed forces, having largely replaced or supplemented larger, more powerful rifles, such as the World War II-era M1 Garand and Tokarev SVT.
Belt-fed weapons or rifles with very limited capacity fixed magazines are generally not considered assault rifles.
Semi-automatic rifles are not always classified as assault rifles as they are not fully automatic and some are not designed for military use.
However, in media firearms reporting the term "assault rifle" usually refers to visual appearance rather than internal functionality.
Similar full sized weapons, with full-auto capabilities chambered in full-sized rifle rounds, are known as Battle rifles.
Examples of Battle Rifles are the FN FAL, H&K G3 and M14 rifle.
For these type of firearms, see List of battle rifles. 
Special operations soldiers often carry a handgun as a secondary weapon to serve in a supplementary capacity to their primary weapon (a rifle, carbine, submachine gun, or shotgun); this practice is not as prevalent among conventional soldiers.
Soldiers who do not serve in a direct combat role are often issued a pistol (such as officers, artillery crews, and other rear-echelon personnel), but conventional riflemen are not generally issued a pistol as part of their standard kit.
However, drivers are often issued a handgun since while driving, their rifle will be stowed on a rack and thus difficult to make ready quickly in an emergency whereas a handgun is more easily accessible.
The tradition of issuing pistols to officers as a primary weapon is being phased out by many nations.
The United States Marine Corps, for example, recently began requiring all enlisted personnel and all officers below the rank of Lieutenant Colonel to carry the M4 Carbine as their primary weapon.
British officers on combat duty are also normally issued with the standard rifle but are not required to carry it with them at all times, for example while operating as support staff the rifle would be stored in the base armory though this is the same for most support staff. 
The NMLRA also seeks to educate and train individuals in the sport of muzzleloading so as to further their goals as an organization and to have trained individuals available to manage their activities.
The three main courses the Association offers are as follows:  The Basic Course is an eight to ten hour hands-on, live-fire, course involving muzzleloading rifle, handgun, and shotgun, firearms history, familiarization and maintenance of equipment, proper procedures, and the sportsman's role in society.
A score of 80% is required to successfully complete the course  The Muzzleloading Instructor Course is a hands-on, live-fire muzzleloading rifle, handgun (including revolver), and shotgun course to train instructors for the Basic Course.
NMLRA membership is not required.
Course participants must be of age to be in 9th grade in high school or older.
The Trainer Course is a six hour, in-depth course teaching techniques.
Dedicated Instructors in the rifle, handgun, and shotgun disciplines are invited to apply for the trainer course.  
The TEC-22 is a handgun chambered in .22 Long Rifle.