Well, the canon status of MK comics isn't straightforward. It might be canon within certain story arcs or universes, but not across the board. Different interpretations and continuities can come into play.
The Mk22 precision sniper rifle was a sniper rifle developed by Barrett. It had high precision and multi-caliber features. The gun could be switched between three calibers, 7.62× 51mm,.300 Norma Magnum, and.338 Norma Magnum. It used advanced technology, such as laser rangefinders and ballistic computers, to improve shooting accuracy. The Mk22's accuracy was outstanding in the test. The average accuracy could reach 0.45 MOA, and at its best, it could even reach 0.31 MOA. The gun also had a high range and multi-purpose performance. It could cause a certain amount of damage to enemy targets and vehicles. The effective range could reach more than 1500 meters. The Mk22 had been purchased by the Army, the Marine Corps, and the Special Operations Command, and had shown excellent performance in the best sniper competition.
The length of the MK9 story varies depending on how quickly you progress and explore all the elements. But on average, it can take several hours to complete the main storyline.
Well, the duration of the MK11 story depends on your playing style and how much you explore. Generally, it could take anywhere from 8 to 10 hours to finish the main storylines.
The MK1 story's length isn't fixed. It could be short and concise or drawn out with elaborate subplots. It all comes down to the author's style and the complexity of the narrative.