Guntec Air-lok Handguard - 4" M-lok Black

FEATURES:
Length: 4"
Color: Anodized Black
Rail System Slides Over Barrel Nut, and is compressed
Monolithic Picatinny Top Rail
Internal Diameter: 1.32″
T6 Aluminum Body
M-LOK slots on 3 side
Tight Fit Up Against Receiver
Weight: 6.5 oz