bump stock
noun[C]
uk/ˈbʌmp ˌstɒk/us/ˈbʌmp ˌstɑːk/(alsobump fire,uk/ˈbʌmp ˌfaɪər/us/ˈbʌmp ˌfaɪr/bump fire stock,/ˈbʌmp ˌfaɪə ˌstɒk/us/ˈbʌmp ˌfaɪr ˌstɑːk/)apartthat can beattachedto thehandleof agunthat makes itabletofirerepeatedlymorequickly, in asimilarway to anautomaticweapon:
撞火枪托（一种将半自动步枪改装为类似全自动步枪的装置，方便连续发射子弹）TheDepartmentofJusticeannouncedplanstorestrictthesaleofbumpstocks.美国司法部宣布了限制销售撞火枪托的计划。
- Theshooterused amodificationcalled abumpstockto make hisriflesevendeadlier.
- Abumpfirestockattachesto asemi-automaticrifletoincreasethefiringrate.
- Some have called forlegislationbanningbumpstocksaltogether.
Parts of guns
- banana clip
- barrel
- bore
- business end
- butt
- clip
- flint
- gauge
- holster
- magazine
- muffler
- ramrod
- safety catch
- sight
- silencer
- stock
- trigger
- turret