Spuhr Red Dot Sight Interface Aimpoint T1/HoloSun HS403/Vortex SPARC Black. The A-0025 is also suitable for: Aimpoint CompM5; Actus Core-2 1x20; Athlon Midas TSR2; Blaser RD 17; HoloSun HS403 and Paralow 403 (except the A model) 503 515 and 530; MAKdot S 1x20; Minox RV1; Primary Arms Micro Dots; SIG Romeo4 & Romeo5; Vector Optics Maverick 1 22; Vortex Crossfire Note: Will not fit non-cantilever mounts for 30 mm tubes without the use of an A-0001 4 mm spacer. Specifications for Spuhr Aimpoint T1 Red Dot Sight Interface: Manufacturer: Spuhr Color: Black Finish: Matte Gun Make: Universal Gun Model: Universal Included Accessories: Standard Weight: 1.5 oz Quantity: 1 Package Contents: Spuhr Aimpoint T1 Red Dot Sight Interface Screws Spuhr A-0025: Red Dot Sight Interface Aimpoint T1/HoloSun HS403/Vortex SPARC Black