- This 1-inch cap fits the Phantom and Phantom RIS Handguard.
- ID: 1-inch or 22.4mm
- OD: 39.6mm or 1.56 inch.
- Comes with 4 x M5x6 Socket Set Screw, Driver: 2.5mm
- ID: 1-inch or 22.4mm
- OD: 39.6mm or 1.56 inch.
- Comes with 4 x M5x6 Socket Set Screw, Driver: 2.5mm