Brand: Kinetic Development Group
Model: MREX20
Firearm Fit: FN SCAR 20S
Top Rail: Full-length Picatinny rail that aligns with the factory upper receiver
Attachment Style: Drop-in upgrade; replaces factory side and bottom rails
Attachment Positions: M-LOK slots at 3, 6, and 9 o'clock; features two integrated QD sling swivel points
Material: Machined 6061-T6 aircraft-grade aluminum
Finish: Type III Hardcoat Anodized
Length: 5 inches of extension beyond the receiver
Weight: 5.0 oz; 7.0 oz with all mounting hardware
Inside Diameter: Optimized for the heavy SCAR 20S barrel profile
Outside Diameter: Slim, ergonomic profile
Includes: MREX20 rail, mounting bridge, hardware kit, and thread-locking compound

Features

The KDG FN SCAR 20S Rail – MREX20 is a precision-engineered modular handguard system designed specifically for the FN SCAR 20S platform. Built to enhance long-range performance, it provides a rigid, stable foundation for optics and accessories, helping improve consistency and accuracy at extended distances. Constructed from 6061-T6 aircraft-grade aluminum with a durable Cerakote finish, the MREX20 delivers a strong yet lightweight solution built to withstand demanding use. Its slim, ergonomic profile improves handling while offering extensive M-LOK mounting capability for accessories such as bipods, lights, and lasers. As part of KDG’s proven MREX MkII family, this rail system incorporates feedback from long-range shooters and professionals to optimize ergonomics and modularity. Designed exclusively for SCAR 20S rifles in calibers like .308 Win and 6.5 Creedmoor, it serves as a high-performance upgrade for shooters looking to maximize the capability of their precision platform.

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