Description
Centurion Arms
MK11 Mod 0 SR-25 Free Float RAS
The Centurion Arms Rifle-Length Free Float RAS (Rail Adapter System) is a premium AR-10 handguard engineered for accuracy, versatility, and functionality. Modeled after the original Knight’s Armament SR-25 MK11 Mod 0 FF RAS design, this rail system features full-length MIL-STD-1913 Picatinny rails at 12, 3, 6, and 9 o’clock for unlimited mounting options.
Key Features
- True Free-Float Design – No barrel contact for improved accuracy and consistent point of impact.
- Full-Length Picatinny Rails – Continuous MIL-STD-1913 top rail and quad-rail configuration for accessories.
- Authentic SR-25 MK11 Mod 0 Profile – Faithful reproduction of the original KAC FF RAS MK11 MOD 0 handguard.
- Durable Construction
Installation Requirements
This is not a drop-in rail. Installation requires:
- Rifle-length gas system (recommended) – this can be installed with a shorter gas system barrel but requires a low profile gas block
- Standard AR-10 armorer’s barrel nut wrench (sold separately)
- Strap wrench (sold separately)
- Includes all essential mounting hardware.
