Cross Machine Tool UHPR MOD 3 HDX AR-15 Handguard
Heavy-duty Xtreme Rails are built for the rigors of daily use. All HDXâ„¢ series rails feature Nitride-hardened steel QD sockets to withstand daily sling carry.
Features
- Rail- 6000 series extruded Aluminum Mil-spec Type 3 Class 2, Hard Black anodized
- Barrel Nut- 7075 Aluminum Type 3 Class 2 Hard Anodized
- 17-4PHÂ 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 socket inserts, 2 on each side
- No Barrel nut shims required for installation
- Does not contact or apply side loads to the gas tube
- Â 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 dimensions 1.96″ wide x 2.195″ height
- Made & Assembled in USA




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