MT021 Aim Sports Carbine Rail System For M4/M16 Airsoft Rifle

The M4 Carbine Length Drop in Quad Rail is an easy to install upgrade for a basic carbine. Being a two-piece design for easy installation.

Aim Sports M4/M16/AR-15 Handguard Rail Segment - One Piece, Accessories & Parts, External Parts, Rail Segments - Airsoft Superstore

AIM SPORTS M4 Quad Rail Carbine Length Handguard MT021

CMMG, Inc M4 Forged Mil-Spec Upper Receiver

Aim Sports M4 2-Piece Quad Rail Drop-in Handguard, Anodized Black - MT021

AIM Sports Multi-Level Z-Type Carry Handle M4 / M16 AEG Rail Mount

MT021 - Aim Sports M4 Carbine Quad Rail - Black - AR15Discounts

MT021 - Aim Sports M4 Carbine Quad Rail - Black - AR15Discounts

Aim Sports - M4 Carbine - Handguard - Quad Rail

AIM SPORTS M4 Quad Rail Carbine Length Handguard MT021

AIM Sports US Manufactured AR-15 Free Float AR15 M-LOK Handguard (Length: 15), Accessories & Parts, External Parts, M4 / M16 External Parts, M4/M16 Modular Railed Handguards - Airsoft Superstore

AIM Sports M4A1 Carbine Length Drop-In Full Metal Quad Rail 6.5in

AIM Sports M4 Carbine Drop in Quad Rail Handguard - Hero Outdoors