Spikes Tactical 5.56 Extractor Upgrade kit

Spikes Tactical 5.56 Extractor Upgrade kit. Specifications for Spikes Tactical 5.56 Extractor Kit: Manufacturer: Spikes Tactical Fabric/Material: Chrome silicon heat treated and stress relieved shot peened Gun Model: AR-15 Country of Origin: USA Features of Spikes Tactical 5.56 Extractor Kit: Extractor Spring (chrome silicon heat treated & stress relieved shot peened) Viton O-Ring Black Extractor Insert Package Contents: Spikes Tactical 5.56 Extractor Kit This product is compatible with the following gun models: AR-15 Spikes Tactical ST5E600: 5.56 Extractor Upgrade kit