Diamondhead handguard vrs t 13.5" free-floating black

FEATURES
-Length: 13.5"
-Black
-Proprietary replacement barrel nut included with rail that allows ?for easy installation and elimination of
barrel nut timing issues
-Must be used with a low profile gas block
-Comfortable triangular shape
-Sturdy, lightweight free float design
-Improves accuracy and provides exceptional airflow to ?keep barrel cooler
-Flush mounted top rail for a monolithic appearance
-Lightning fast configuration changes
-Uninterrupted mounting surface for optics or ?other accessories
-Proprietary clamping system for rigid, secure attachment
-Mil. Spec. Type III anodized 6061 aluminum construction
-Mil. Std. 1913 Picatinny rail dimensions
-Fits all M4/AR15/M16 variants
-Combat durable

Other Features: Rounded triangle shape, free floating barrel design, must be used with a low profile gas block, rail sections sold separately, made in usa