Kel-Tec KSG Zombie 28 shell "Quad" Carrier by Hi-Tech Custom with Extended Top Picatinny Rail Hi-Tech's KSG Dual Ammo Rail **28 Shell Carrier** ARE YOU READY FOR THE ZOMBIE APOCALYPSE?? Longer YET lighter than the original KSG top rail. Hi-Tech's 15" long vs original 12 1/4" HI-TECH'S QUAD SHELL HOLDER KIT ONLY WEIGHS: 31. oz empty. WOW! Top Shell holders slide anywhere on the top rail to your desired location for best weight pivot feel, then lock into place. Only Shell Carrier on the market that does this. Engineered for superior versatility and lightest weight. ***PLEASE SEE OUR ENTIRE LINE OF HI-TECH CUSTOM CONCEPTS KSG UPGRADES***