Attributes:
- ADDITIAL FEATURE 1: Piston for Osprey/Octane
- ADDITIAL FEATURE 2: Thread for Colt,RRA,Bushmaster
- CALIBER/GAUGE: 9mm Luger
- DESCRIPTION: PISTON 1/2X36
- FAMILY: Accessories
- MANUFACTURER: Silencerco
- MANUFACTURER MODEL NUMBER: AC57
- MODEL: Adapter
- UPC: 817272010220
