I would like to argue that Boomburst is probably an okay option for this CAP as long as we approach it with a few caveats in mind. When looking at the main prior Throat Spray users with Boomburst, Kommo-O and Toxtricity, it's possible to identify why Kommo-O has Throat Spray as its most common item while Toxtricity only has it as an alternative item to Specs.
- Toxtricity has access to pivoting in Volt Switch, which helps Specs sets come in and out of the battle while dealing large amounts of chip damage. The ability to pivot and come in relatively easily several times throughout the course of the battle makes the constant damage boost that Choice Specs applies more reliable on Toxtricity rather than Kommo-O, who has no access to pivoting and would prefer to only come in once throughout the battle.
- The other factor that makes Throat Spray much better on Kommo-O is the method of activation. Being able to increase speed with Clangorous Soul while also setting up your Throat Spray allows Kommo-O to fire off +2 Boombursts just one turn after setting up. Toxtricity, on the other hand, has to set up Shift Gear, then Boomburst or Overdrive, and only then does your Throat Spray activate along with the speed required to sweep. Taking two extra turns to position your sweep make you far more vulnerable to being killed in that time rather than only taking one turn to get everything in place, which makes Toxtricity prefer to have the immediate raw power that Specs provide.
- There might also be something to be said about Toxtricity's raw power enabling Specs better. It has 14 more Special Attack than Kommo-O, and Punk Rock elevates the power of Boomburst to a staggering 184 base power. This makes the move far more spammable on Toxtricity.