桿

杆
gǎn
  1. stick
  2. pole
  3. lever
  4. classifier for long objects such as guns

CEDICT

Classifier for

槍 qiāng
  1. gun
  2. firearm
  3. rifle
  4. spear
  5. thing with shape or function similar to a gun
  6. to substitute for another person in a test
  7. to knock
  8. classifier for rifle shots

classifiers: 支, 把, 桿, 條, 枝
鉛筆 qiānbǐ (lead) pencil

classifiers: 支, 枝, 桿

Homographs

杆 gān pole

classifiers: 條, 根