Kel-Tec KSG "Extended" Precision Top Picatinny Rail - by Hi-Tech Custom Hi-Tech's KSG Extended Precision Top Picatinny Rail Replaces the shorter stock rail that is not Mil-Spec with our lighter precision machined rail. Longer YET lighter than the original KSG top rail. Hi-Tech's 15" long vs original 12 1/4" HI-TECH'S Top Rail Weighs: 5.2 oz. vs. KSG stock shorter Rail: 5.4 oz. Gives you longer distance between front/rear BUIS's which is critical for accuracy. ***PLEASE SEE OUR ENTIRE LINE OF HI-TECH CUSTOM CONCEPTS KSG UPGRADES***