It is approximately 1 second faster to kill the ninja with the shotgun instead of the sniper. However, this strategy is unlikely to work on Hard due to the increased damage output done to the player.

Nice job with this, what a solid Meyhew's. I just joined Alpine Escape's 007 Speedrunning discord, might be easier for us to go back and forth and talk strats on there? https://discordapp.com/invite/H9QbkCN