Yankee Hill Machine Co sRx Flash Hider, 1/2-28, Compatible with sRx Low Profile Adapter, Attaches to Suppressors with 1-3/8"x24 Thread Pitch, Black Oxide Finish YHM-4405-28
Specifications:

Type
Model	sRx
Dimensions
Size
Material	Steel
Action
Trigger
Safety
Thread Pattern	1/2"-28 tpi
Finish	Phosphate
Bolt Type
Hand
Hammer Type
Capacity