The SI Crux Handguard Key Mod Rail is for the MR556 and HK416 and features Key Mod sessions at the 3, 6, and 9 o'clock positions.
Features:
- Ultra light weight
- Key mod slots at 3, 6, and 9 o'clock
- No Specialized tools required for installation
- Mil Spec picatinny continuous top rail
Specifications:
- Width: 2"
- 9" Rail Weight with Screw: 10.2 oz.
- 9" Rail Weight without Screw: 9.8 oz.
- 13.5" Rail Weight with Screw: 14.6 oz.
- 13.5" Rail Weight without Screw: 14.2 oz.
- 15" Rail Weight with Screw: 15.9 oz.
- 15" Rail Weight without Screw: 15.5 oz.
Includes:
- 1 x Crux Handguard
- 1 x Screw set