弾を

bullets

→ 弾
phrase Rare #32,744
bullets 弾 means “bullet” or “ammunition,” and を marks it as the object of the verb. The exact translation depends on context.
JA: 銃に弾を入れてください。
EN: Please put bullets in the gun.

弾をやる

I’ll give you a gun and some ammo.

— ロシアン・ブラザー (1997)

それ弾を聞いたかお前ら

Or did you hear the bullets, you lot?

— 続・夕陽のガンマン (1966)