The explosion of the primer round is similar in power to a frag grenade, meaning a player can kill an enemy just by firing at a surface near the enemy. It is possible to kill multiple enemies with a single explosion. Supply Drop variants that have damage increases actually increase the damage from the explosion. If an enemy at full health is killed by the explosion, it will earn the player the One Shot One Kill medal (despite it technically being two shots). However, if the first shot hits the enemy but does not kill them, then exploding the round will not count as a one shot kill as the impact has taken down the enemy’s full health.
The NA-45 has a better chance of making explosions if shooting from a bird’s-eye-view of the desired target. If the player will be moving around a lot, it may be a good idea to invest in the ACOG Scope, as the lower zoom level can be very useful. The Ironsights, although harder to obtain, serve a similar purpose, but have a significantly lower zoom level than the ACOG Scope, and are extremely obstructive, making ranged shooting of the NA-45 unreliable in some cases.
Usage of Danger Close is highly recommended, as the NA-45 will receive a much larger chance of getting a kill by using it. As well, Flak Jacket can also be useful if the NA-45 user will be using it in close quarters, where they may be harmed by the explosive radius
In conclusion, the NA-45 is an extremely odd weapon that should be treated more akin to a standalone weapon, rather than a sniper rifle. Usage of the NA-45 requires a great deal of strategy and class setup, but the NA-45, when used correctly, can be sure to leave a mark on the battlefield.
The NA-45 has some good variants to use. The Sharpshooter decreases sprint-out time to 270 milliseconds as well has increasing the movement speed to 91.8% (i.e. a 2% increase), contrary to what the in-game stats claim. Both advantages as questionable, although considering the Sharpshooter has no downside, it is a pure bonus variant.