Machined from: domestic 6061 t6 extruded aluminum. Finish: matte black . Hardware: hex head screws and wrench provided. Center spread: 3.242". Overall length: 6.670". This scope mount fits the remington 783 short action. This base is available in 0 and 20 moa. Please see our faq page for further information on moa. The channel in the center reduces the overall mass of the mount, weighing in at 2-3oz on average. Also, in many cases, it will not obstruct usage of factory iron sights. . Egw's one piece scope mounts are the obvious choice for hunters and tactical shooters alike. Add egw's practical or hd scope rings to make it a complete overhaul! . Available in matte black. Custom silver anodizing is available upon request, at an additional charge of $15 (there is also a 3 month lead time associated with silver anodizing. Please give us a call if you'd like to place a custom order). . This mount is a picatinny-style base and compatible with picatinny or weaver scope rings. . Installation: egw recommends 20 inch lbs of torque and a drip of blue thread locker (sold separately).