Sprinco Bolt Extractor Spring - 3 Pack

• Chrome Silicon Wirestock
• Heat Treated, Stress Relieved, and Cryogenic Processed Post Winding
• Impregnation / Plating with Re-Micronized Molybdenum Disulfide Formulation

ADVANTAGES:

• Enhanced 4-Coil springs maintain an extended duty cycle oad of a NEW Mil-Spec spring and is recommended for use in 18"+BBL lengths for those who retieve their brass for reloading
• Extreme duty cycles provided while maintaining performance specifications
• Unaffected by heat up to 750°F
• Plug & play - May easily be the only extractor springs needed for the life of your bolt!!