M-LOK Handguard Weights: 12.7" - 7.66 oz / 15" - 8.71 oz
Mounting Hardware Weight: 4.72 oz (same across all S-ONE Handguard options)
FEATURES:
Front and rear picatinny rail
Eliminated center of top rail for weight reduction
Indexing grooves in 12:00 position for positive grip control
Quick disconnect sling socket at the 3, 6 and 9 o'clock positions
Compatible with low profile gas blocks
1.5" Inside diameter
Compatible with AR308 upper receivers and barrels
NOT Compatible with M5E1 Enhanced Upper Receivers
ATLAS Handguards are designed to match seamlessly with our M5 (.308) Threaded Upper Receivers. However, they may not be compatible with billet upper receivers due to indexing tabs.