The Sharps Xtreme Performance Bolt (XPB) with DLC (Diamond Like Carbon) Coating; extreme hard coating and scratch resistance. In addition, the new bolts have gone through a 24-hour thermal cycle proprietary heat treatment.

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Technical Data



Bolt: S7 Tool steel, shot peened and DLC coated

Extractor: 4340 Steel, Manganese Phosphate coated

Ejector: S7, shot peened and Manganese Phosphate coated

Extractor Pin: S7, shot peened and Manganese Phosphate coated

Mil-Spec Extractor and Ejector Springs, Gas Rings

Batch MPI and HPT tested

Tensile strengths of 1550-1600 mpa, or 220,000-235,000 psi.

Toughness of over 200 ft./lb. Charpy C-Notch

HRC of 46 yields a 15% increase in hardness at the same toughness comparing to Carpenter 158 & 9310