Then call it bullet bloom, it's not bloom.
Also, if it stays inaccurate it's not emulating anything that would happen in a realistic situation let alone anything made up. I mean maybe if it's directly correlated with how damaged you are it would make sense, the more screwed up you are because of battle the less accurate you'll be. The only other situation I think it could possibly apply to would be barrel-warp due to heat, but shortly after your weapon starts becoming inaccurate it would blow up in that case. That rarely occurs with modern firearms let along firearms that are supposed to be existing 500 years from now.






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