The M4 carbine length drop-in quad rail is an easy to install upgrade for the basic carbine. Made aircraft grade aluminum and powder coated in Flat Dark Earth this rail is compatible with most direct impingement gas systems. When installing the two-piece design no gunsmithing is required.

Anodized aircraft grade aluminum
Flat Dark Earth powder coated finish
Accepts all standard Weaver / Picatinny 1913 accessories
Two-piece drop-in design
Compatible with most carbine length direct impingement gas systems
No gunsmithing required
Not compatible with triangular retaining plates
Length: 6.5"
Weight: 11.3 oz.