The LA-B 330 is a sniper rifle available in Call of Duty: Modern Warfare 3 (2023).
The gunsmith system in Modern Warfare 3 allows you to modify your weapon with attachments to make it viable in any playstyle. After some testing, we've found a set of five that's guaranteed to make an impact on the battlefield:
To minimise any damage drop-off and maximise long-range performance, the pairing of the 23.5" Fluted R-67 barrel and .300 High Velocity ammunition gives you the best chance of scoring kills with a single bullet to the upper body.
Reaction times can be the difference between life and death which is where the Schlager PEQ Box IV laser, Aim-Assist 406 comb, and ZLR T70 Pad Extension reduce aim-down sight time in addition to increasing sprint speed so you can move around the map with ease.