The SARS recoil lug is manufactured from 303 Stainless. The Rails are manufactured from 6061 T-6 aircraft grade aluminum, also available in Stainless Steel. Screws provided, instructions included. The Remington 700 will need to be installed by your favorite gunsmith. Recoil LUG .250 Stainless Steel Rails Mil-Spec 1913 Picatinny Rails Rails Hard Anodized in an Armor Black - Flat Black Screws manufactured in the USA. The screws are 6-48 Torx Head with #15 Torx, The screws have a #8 screw size head. Screws Manufactured in the the great state of Florida.
The SARS system is manufactured in the USA.
Screws and Torx wrench included.