HK Folding Front Sight
- Foldable front sight for quick-release.
- Open front sight, 28.4 mm sighting line.
- Fits: MR556A1, MR762A1, HK416 (10,14.5, 16.5, 20 inch barrel lengths), HK417 (12, 16 inch barrel lengths). Use with rear drum sight 227635, 233197.
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