Spuhr MP5 C-Thru Top Rail (R-305)

Description Lightweight Top Rail for MP5 and clones.   Height: 25.9 mm/1.02” (from top of receiver to top of rail) Length: 92.0 mm/3.62” (overall) 84.6 mm/3.33” (Picatinny) Weight: 124 g/4.4 oz R-305 Manual