Aero Precision SOLUS Magazine Release Parts Kit Black. Specifications for Aero Precision SOLUS Magazine Release Parts Kit: Manufacturer: Aero Precision Gun Make: Aero Precision Gun Model: Solus Color: Black Action Type: Bolt Action Package Contents: Aero Precision SOLUS Magazine Release Parts Kit Mag Release Spring (3x) Mag Release Pin (2x) Mag Release Screw 1 (2x) Mag Release Screw 2 (2x) What firearm models does the manufacturer say Aero Precision SOLUS Magazine Release Parts Kit is compatible with? The manufacturer says that Aero Precision SOLUS Magazine Release Parts Kit is compatible with SolusAero Precision APRH103340C: SOLUS Magazine Release Parts Kit Black