There are some of the best off-meta builds in PoE2, as showcased in my video. Links below.
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Guide
Build #1: Mirage Sniper
Creator: J_Macc
Build #2: 'The Eraser' - Perfect Strike Chaos
Creator: Josiahyeeet
Build #3: Glacial Bolt
Creators: PhylarisPOE and Josiahyeeet
Phylaris uses 
Whirling Slash for extra speed, whereas Josiah uses a regular xbow setup. They're both fantastic options.
Phylaris Version:
Josiah Version:
Build #4: Stormcaller Arrow GPU Nuker
Creator: poe2builder
No Written guide for this one.
Build #5: HOTG Infinite Bonker
Creator: Ulfhednar