Mounting Hardware is Included

This mount fits: Remington 870

Rail Type: One Piece Picatinny
Machined From: Solid 7075 T6 Aircraft Grade Aluminum
Finish: Matte Black Hardcoat
Overall Length of Mount: 5.882"
Height: .35" (Top of Receiver to Top of Picatinny)
Weight: 2.5 oz
Quick Disconnect Ring Compatible: Yes
Compatible with Picatinny or Weaver scope rings.
Mounting Hardware: #6-48 X 1/4 Screws and T-10 Bit Included
Torque Specs: 20 in/lbs