Precision Reflex Rem 700 SA BAR Night Vision Rail Step Down Extra Long Black. This base is constructed of T-6 7075 hard coated black anodized aluminum with a full 1913 rail. Base is 16in long and comes with #6-48 screws for mounting base (these screws will require most receivers to be drilled out from a #6 screw.) The base has side rail mounting holes for adding side rails in the future (not included). Weighs 10.4 ounces. Rear elevation is .740in and there is .280in of drop from rear to front rail. Specifications for Precision Reflex Remington 700 S.A. BAR Night Vision Rail Step Down: Manufacturer: Precision Reflex Color: Black Finish: Hard Coat Anodized Fabric/Material: T6 6061 Aluminum Quantity: 1 Cant: 0 MOA Hand: Ambidextrous Gun Make: Remington Gun Model: Remington Model 700 Action Length: Short Action Gun Type: Rifle Length: 18 in Width: 0.28 in Height: 0.74 in Weight: 11.7 oz Condition: New Gun Rail: Picatinny Package Contents: Precision Reflex Remington 700 S.A. BAR Night Vision Rail Step Down Precision Reflex 02-216-08XL: Rem 700 SA BAR Night Vision Rail Step Down Extra Long Black