Heavy Duty Xtreme Rails are built for the rigors of daily use. All HDX™ series rails feature Nitride Hardened steel QD sockets to withstand daily sling carry.
- 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- Patent Pending
- Anti rotate tabs time Rail to upper receiver
- 2 each 4140PH Alloy steel Nitride finished QD sling sockets inserts, 2 on each side
- No Barrel nut shims required for installation
- Does not contact or apply side loads to gas tube
- Inner Diameter of handguard - 1.315"
- Machine engraved T markings (not laser marked) will show up after paint.
- Includes barrel nut wrench
- Barrel Nut diameter- 1.378"
- Compatible with most known low profile gas blocks
- Overall rail dimensions1.96" wide x 2.195" height
- 9.7 ozs.-Total weight including mounting hardware and barrel nut.
- Made & Assembled in USA