VISM Ruger PC Carbine Picatinny Rail And Rear Sight Base – Black 5 in.

Features:

• This 3.7″ long Picatinny/ MIL-STD 1913 rail mount replaces the factory rear sight base and allows the mounting of optics directly to PC Carbine barrel.
• 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.
• Picatinny rail has 8 slots for flexible mounting of Picatinny/ weaver type scope rings.
• Picatinny rail is 3.7″ long.
• Overall length: 5.0″
• U.S. PAT. D888541