Norsso P365XL Rail EDC C Slide Black N365XL-RAILCOMP. 25 in 3.7 in Width: 0.875 in Height: 1.25 in Fabric/Material: Stainless Steel Features of Norsso P365XL Rail EDC C Slide Optic mount thread pitch: M4 x 0.7 Cosmetic/Lighting Porting Compensated...