Fits standard Remington 12 gauge 870 with included locking bolts
Locking bolts replace the original trigger pins
Durable all metal construction
Provides a standard top rail that is 7/8" - 14 slot see-thru designed Weaver/Picatinny rail for attaching scopes, red dots, sights, light, lasers etc.
Low profile see through design to maintain original iron sight use
Easy to install in existing pin ports on the receiver, no gunsmith or special tools required