Israel can, and absolutely does, do this without our weapons. Sniper bullets are stupid cheap:

https://www.france24.com/en/tv-shows/tête-à-tête/20241029-us-doctor-claims-israeli-snipers-target-child-in-gaza-no-child-gets-shot-twice-by-mistakea

https://www.washingtonpost.com/world/2024/09/09/israel-snipers-shot-killing-civilians-west-bank/

https://www.dci-palestine.org/israeli_forces_fatally_shoot_two_palestinian_children_in_the_head_in_the_northern_occupied_west_bank

https://www.theguardian.com/world/2024/apr/02/gaza-palestinian-children-killed-idf-israel-war

But the real proof is that the response to October 7th began instantly, before we even approved a dime of support, much less delivered it.