Precision Reflex Savage Accu Trigger S.A. Step Down Rail Front obj Clearance Black. Base is constructed of 7075 T-6 hard coated black anodized aluminum with a full 1913 rail. Base is 16in long and comes with (4) #8-40 screws for mounting base. Rail has side rail mounting holes for adding side rail in the future ( not included) Weighs 10.4 ounces On the Savage Accutrigger base the front and the rear mount has a radius. Specifications for Precision Reflex Savage Accu Trigger S.A. Step Down Rails: Manufacturer: Precision Reflex Color: Black Finish: Hard Coat Anodized Fabric/Material: T6 6061 Aluminum Cant: 0 MOA Gun Make: Savage Action Length: Short Action Length: 16 in Width: 0.835 in Height: 0.75 in Weight: 10.4 oz Gun Rail: Picatinny Features of Precision Reflex Savage Accu Trigger S.A. Step Down Rail: Savage Accu Trigger Short action Night Vision Step Down base w Front obj Clearance.Base is constructed of 7075 T-6 hard coated black anodized aluminum with a full 1913 rail Base is 16" long and comes with (4) #8-40 screws for mounting base Rail has side rail mounting holes for adding side rail in the future ( not included) Weighs 10.4 ounces On the Savage Accutrigger base the front and the rear mount has a radius. Package Contents: Precision Reflex Savage Accu Trigger S.A. Step Down Rails Precision Reflex 02-176-07: Savage Accu Trigger S.A. Step Down Rail Front obj Clearance Black