Evolution Gun Works External Extractor Drilled SIG 1911 Steel Blue. The quality of steel used to produce Sigs original extractor is made with a low grade steel. If the owner of a Sig GSR fires an extensive amount of rounds it is likely that the extractor will break. they machined Their HD Extractor from tool steel for superior strength and durability.It is drilled to allow for custom fitting by a gunsmith.The pin and spring for this extractor are sold separately as a set to go with Their extractor. It is recommended to change the pin and spring when changing the extractor. The pin and spring will not be sold individually.This extractor will work for ALL 1911 SIG models.they are unable to ship this part internationally. Specifications for Evolution Gun Works External Extractor Drilled for SIG 1911: Manufacturer: Evolution Gun Works Gun Model: SIG Sauer 1911 Fabric/Material: Steel Finish: Blued Additional Features: Drilled Package Contents: Evolution Gun Works External Extractor Drilled for SIG 1911 What firearm models does the manufacturer say Evolution Gun Works External Extractor Drilled for SIG 1911 is compatible with? The manufacturer suggests that Evolution Gun Works External Extractor Drilled for SIG 1911 is compatible with SIG Sauer 1911Evolution Gun Works 10320: External Extractor Drilled for SIG 1911 Steel Blue