Very good, I thought it would be light as hell but it isn't its actually in between so it's not light but not heavy and you can swap the folding mechanism upside-down and it down affect it.
Perfect fit on my 416, even made by different company
TOP SET KEYS! VERY HELPFUL
[E&C] Devgru N4 AEG Kit Set W/ M-Lok Rail Handguard[BLK]