The Apex Failure Resistant Extractor for the Sig P320 is designed to ensure consistent and reliable extraction under the most adverse conditions. Machined from a billet of heat-treated stainless steel, critical engagement surface features Apex's custom extractor hook geometry and is machined by wire EDM. Black Nitride finished for enhanced durability. Expected Results: Direct drop-in replacement for the factory MIM extractor Provides consistent and reliable extraction Perfect for custom P320 Slide builds Applicable to What Guns: Works in All Sig Sauer P320 pistols in 9mm, 40S&W & 357Sig Not for use in the 45 Caliber P320 models Mfg: Apex Tactical Specialties Inc