(8126) AR-15 / M4 Carbine Handguard Quad Rail
The M4 Carbine Length Drop in Quad Rail is an easy to install upgrade for a basic carbine. Being a two-piece design there is no gunsmithing is required.
- Black anodized aircraft grade aluminum
- Includes black rubber rail covers
- Accepts all standard Weaver / Picatinny 1913 accessories
- Two piece "drop in" design
- Compatible with most carbine length direct impingement gas systems
- No gunsmithing required
By means of the (2125) AR 15 quad rail adapter, this quad rail can also be used on an AR15 with a triangular end cap