User can achieve complete and utter accuracy on distant targets, with the activity in their brain center for aim, accuracy and precision drastically improved. They need only to aim for an instant before they can precisely hit a target with a projectile.
User can judge extremely long distances amazingly accurately, gauging the strength needed to launch a projectile, in order to hit a target accurately. If a target is moving the user can calculate the best method to hit the target. Visual obstructions like smoke and vegetation do not hinder their ability to get an accurate bead on their target, and their intense focus on whatever they're targeting at allows them to shut out outside distractions. They can compensate for environmental factors that would normally throw off their aim like wind, air resistance, gravity, and radiant heat (which distorts the image of the target).
Alice Fuji (Arachnid) using her Spider's Thread, a pistol that fires a hooked blade with vast amounts of thread attached, and controls the trajectory of the blade with great precision to create traps, thanks to her Congenital Excessive Concentration.
Train Heartnet (Black Cat) is a master marksman via his great eyesight and master firing skills.
Durham Glaster (Black Cat) can use his Tao abilities to guide his bullets.
Beluga J. Heard (Black Cat) wielding Verethragna bazooka with deadly skills.
Suì-Fēng (Bleach) firing her Jakuhō Raikōben, a powerful missile launcher, with surprisingly accurate aim, considering she is a close-quarter combat assassin specialist.
Coyote Starrk (Bleach) dual wields his Resurrecion Pistols with masterful precision, striking even Shunpo masters such as Shunsui.
Lille Barro's (Bleach) X-Axis transforms his rifle's ammunition into simply piercing any and everything between the muzzle and the target, and he can do so with tremendous accuracy.
Danjō Kōga (Basilisk) specializes in needles, hiding them in his mouth and spitting them with great accuracy and force, piercing through armor and vital points.
Tenzen Yakushiji (Basilisk) spitting poisoned needles with great accuracy and precision, carving the characters for "Iga" on Kagerō's body.
Toki (Code: Breaker) uses his powerful left eye and magnetically charged guns for lethal firing skills.
Alucard (Hellsing) is known for being able to shoot long-range targets while looking in the opposite direction.
Haku (Naruto) using needles for combat, whether for throwing accurately, slashing in hand, or even forming them as the Thousand Flying Water Needles of Death.
Anko Mitarashi (Naruto) throwing toothpicks with such accuracy and precision, she managed to engrave the Konoha mark on a tree.
Shizune (Naruto) using Prepared Needle Shot to fire poisoned needles at her opponents with efficient and stealthy precision.
Sasuke Uchiha (Naruto) throwing his Chidori Senbon to throw solidified electrical needles at his opponent with lethal accuracy and precision.
Usopp (One Piece), one of the greatest marksmen in the One Piece world with tremendous accuracy in long range attacks.
Franky (One Piece) is an expert marksman, with great accuracy in using all the artillery he installed in his body for long range combat.
By using his Devil Fruit Mark Mark no Mi, Vander Decken (One Piece) can perform supernatural marksmanship by imbuing any weapons he throws with homing abilities.
Raizo (One Piece) throws shurikens with masterful skill.
Capone Bege (One Piece) is a perfect marksman as he is able to shoot Charlotte Oven from miles away.
The Fire Tank Pirates (One Piece) are skilled expert marksmen, specializing in volley fire.
Reborn (Katekyo Hitman Reborn!) wielding his gun. Reborn is known for his Dying Will Bullet.
Vash the Stampede (Trigun)
Turok (Turok: Dinosaur Hunter)
Laguna Loire (Final Fantasy VIII/Dissidia)
Tasha Godspell (Witch Hunter) is called the Magical Marksman for a reason.
Kaname can shoot at a tanker hundreds of yards away from the top of a cliff, while traveling many mph.
Gene (Metal Gear Solid: Portable Ops) can throw knives with deadly accuracy and precision.
With his spear gun, Dimitri has proven to be an excellent marksman.
Ladd Russo (Baccano!)
Clear Note exploits his partner Vino’s (Zatch Bell!) enhanced eyesight so that his spells hit his opponents even from a far distance.
Kurumi (Date A Live) is extremely skilled in dual wielding her musket and flintlock to utilize Zafkiel's time based powers.
Rinslet (Seirei Tsukai no Blade Dance) is an exceptional master archer.
Oscar Brailsford (Dragnar Academy) is an outstanding archer and wielder of the dragon magic bow Failnaught.
Seryu Ubiquitous (Akame ga Kill) is highly skilled at wielding artillery called the Judgement of the Ten Heavenly Kings.
Nagumo Hajime (Arifureta Shokugyou de Sekaisaikyou) is a fearsome master marksman, dual wielding his customized revolvers Donner and Schlag with incredible mastery.
Armed with his trusty bow, Link (Legend of Zelda series) is capable of nailing his enemies near or far with magic arrows.
Zelda (Legend of Zelda series) is a master archer who became essential in helping Link sniping down the final enemy.
Revolver Ocelot (Metal Gear Solid) is an expert marksman specializing in the Colt Single Action Army revolver.
McCree (Overwatch) is a master quick shot and can drop dead his enemies at such quick speed.
Widowmaker (Overwatch) is a master sniper that she can kill her enemies while in midair and even right through her enemies.
Agent 3 (Splatoon)
DJ Octavio (Splatoon)
Shadow the Hedgehog (Sonic the Hedgehog) wielding a gun.
Nack the Weasel a.k.a Fang the Sniper (Sonic the Hedgehog) is an expert marksman and sniper
Tsuruhime (Valkyrie Crusade) always hits her target.
Isabel (Valkyrie Crusade)
Failnaught (Valkyrie Crusade)
Gae Bulg (Valkyrie Crusade)
Tennessee "Kid" Cooper (Sly Cooper) carries a six-shot revolver with
Jericho Cross (Darkwatch) a hooked handle as his Cooper Cane, with which he demonstrates spectacular gun-slinging skills.
Dante's skill with firearms is impeccable. He has displayed enough accuracy to hit targets as small as the pommel of his sword; shoot his opponents' bullets out of mid-air; and hit the same target over and over with such unerring precision that his bullets stack on top of each other...
...and even eliminate demons using billiard balls as projectiles.
Evan Bernard (Time Crisis 4) is an outstanding master marksman.
Giorgio Bruno (Time Crisis 4) is a magnificent master marksman.
Pirrha the Rifleman (Destiny), legendary shot that killed the immortal Guardians.