Cross Machine and tool HDM rail 13"
- Rail- 6000 series extruded Aluminum Milspec Type 3 Class 2 Hard Black anodized
- Barrel Nut- 7075 Aluminum Type 3 Class 2 Hard Anodized
- 17-4PH Cored Stainless Steel Rail mounting attachment- Patented
- Anti rotate tabs time Rail to upper receiver
- No Barrel nut shims required for installation
- Does not contact or apply side loads to gas tube
- Inner Diameter of handguard - 1.315"
- MLOK Slots on all flat sides (7)
- Includes barrel nut wrench
- Barrel Nut diameter- 1.378"
- Compatible with most known low profile gas blocks
- 11.7 ozs.-Total weight including mounting hardware
- Made & Assembled in USA