请教几个枪弹的英文名词

跋锋寒

HPCE = Hollow Point Cutting Edge
LWC = Lead Wadcutter
SJFN = Semi-Jacketed Flat Nose
CHPBT = Coated Hollow Point Boat Tail

Hollow Point ， Boat Tail好理解，Semi-Jacketed是半披甲没错吧，其他几个是什么意思？
Cutting Edge是指切边？
Lead Wadcutter是圆柱形铅平头弹？
Semi-Jacketed Flat Nose是半披甲平鼻弹？
Coated Hollow Point Boat Tail是有涂层的空尖船尾弹？