USED VISM Ruger PC Carbine Picatinny Rail and Rear Sight Base Black. Bottom of the accessory rail has custom machined lugs to lock the accessory rail from moving forward or aft on the M-LOK & KEYMOD slots.Tapered profile PICATINNY rail ends for a more comfortable hold when used as a hand stop.Perfect for mounting accessories with Weaver/ Picatinny mounts like vertical grips flashlights and lasers to your M-LOK & KEYMOD handguards. Specifications for VISM Ruger PC Carbine Picatinny Rail and Rear Sight Base: Manufacturer: VISM Color: Black Finish: Anodized Gun Make: Ruger Gun Model: Ruger PC Carbine Gun Type: Rifle Length: 5 in Width: 1.1 in Height: 0.45 in Weight: 1.5 oz Gun Rail: Picatinny Features of VISM Ruger Pc Carbine Picatinny Rail And Rear Sight Base This rail mount bolts directly to the barrel rear sight base and the factory windage and elevation iron rear sight bolts onto the rear of the mount.Bottom of the accessory rail has custom machined lugs to lock the accessory rail from moving forward or aft on the M-LOK & KEYMOD slots.Tapered profile PICATINNY rail ends for a more comfortable hold when used as a hand stop.Perfect for mounting accessories with Weaver/ Picatinny mounts like vertical grips flashlights and lasers to your M-LOK & KEYMOD handguards. Black Anodized Aluminum Construction Package Contents: VISM Ruger Pc Carbine Picatinny Rail And Rear Sight Base VISM VMRUPCC1913: Ruger PC Carbine Picatinny Rail and Rear Sight Base Black