FMA CNC LOWPRO 45° Handguard RIS Rail - Tan is a CNC-machined 6061-T6 aluminum 20mm RIS rail with a 45° offset to provide side mounting space without adding bulk. Designed for quick field customization, it suits CQB, milsim, and multi-scenario loadouts where weight and accessibility matter.

Specs

• Material: CNC machined aluminum 6061-T6
• Finish: Tan anodized
• Rail type: 45° offset RIS rail (20mm)
• Compatibility: Standard M4/AR-style handguards with RIS rails; fits most RIS-equipped platforms
• Weight: Approximately 120–150 g
• Includes: Mounting screws and installation hardware

Features

• 45° offset rail increases side mounting space for angled grips, flashlights, lasers, or cameras while keeping the main rail available for optics
• Premium CNC aluminum construction delivers smooth edges and tight tolerances for a secure fit
• Tan anodized finish provides UV resistance and field-ready aesthetics
• Lightweight design maintains mobility without sacrificing strength
• Easy installation with standard mounting hardware
• Consistent performance across CQB, milsim, and field operations
• Explore more from the FMA collection to pair with compatible platforms

Use cases

• Attach angled grips, compact lights, lasers, or cameras on the 45° rail while leaving primary optics on the main 20mm surface
• Optimize loadouts for fast-target acquisition in CQB scenarios where quick access and minimal bulk matter
• Ideal for milsim setups requiring modular accessories without overhanging rails

Physical

• Material: CNC machined aluminum 6061-T6
• Finish: Tan anodized
• Rail type: 20mm RIS, 45° offset
• Weight: ~120–150 g
• Compatibility: Standard M4/AR-style RIS handguards
• Includes: Mounting screws and installation hardware

Material	CNC machined aluminum 6061-T6
Finish	Tan anodized
Rail type	45° offset RIS rail (20mm)
Compatibility	Standard M4/AR-style handguards with RIS rails; fits most RIS-equipped platforms
Weight	Approximately 120–150 g
Includes	Mounting screws and installation hardware