### Question
What does ballistic knife mean?


### Answer
**Ballistic knife** has the following meaning in *15 U.S.C. § 1245*:

> a knife with a detachable blade that is propelled by a spring-operated mechanism

#### Citation:
  - *15 U.S.C. § 1245*
  - Heading: **CHAPTER 29-MANUFACTURE, TRANSPORTATION, OR DISTRIBUTION OF SWITCHBLADE KNIVES**

