This is a 60 degree cone cup designed to fit inside a HIT D size Tube.
Nominal OD = 1.348″ (34.2mm)
Nominal ID = 1.228″ (31.2mm)
Nominal Strait Length = 0.795″ (20.2mm)
Nominal OAL = 1.348″ (34.2mm)
weight = 0.7 Oz.
These will nest into each other and/or HIT thin wall spacers
To fill one of our D tubes, we recommend 7 cone cups, 2 size 3 spacers, 1 size 1 spacer (or a spacer cap), and a wave spring washer.
If using a muzzle brake or diffuser we recommend 5 cone cups, 2 size 5 spacers, 1 size 3 spacer, 1 size 1 spacer, and a wave spring.