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Halfling Details | Halfling Feats | Universal Ancestry Feats | Halfling Heritages


There are Legacy versions here and here.

PFS StandardHalfling Weapon Familiarity Feat 1

Halfling 
Source Player Core pg. 60 2.0

You favor traditional halfling weapons, so you've learned how to use them more effectively. You gain access to all uncommon weapons with the halfling trait. You have familiarity with weapons with the halfling trait plus the sling and shortsword— for the purposes of proficiency, you treat any of these that are martial weapons as simple weapons and any that are advanced weapons as martial weapons.

At 5th level, whenever you get a critical hit with one of these weapons, you get its critical specialization effect.

Halfling Weapon Familiarity Leads To...

Halfling Weapon Expertise

Traits

Halfling:

A creature with this trait is a member of the halfling ancestry. These small people are friendly wanderers considered to be lucky. An ability with this trait can be used or selected only by halflings. A weapon with this trait is created and used by halflings.