Bat Cave Miniatures have made their COMBAT: 1948 Arab-Israeli War rules available for download from Wargames Vault.
From their announcement:
Miniature Wargame rules for 15mm battles of the 1948 Arab-Israeli War. Tables of Equipment for both Arab & Israeli forces. Scenarios, Sample Army Lists. Features like Commandos, Minefields, Weather, Flamethrowers, Artillery. Aircraft and more. IGOUGO turn sequence. d6 system.