The Slidell Gun & Knife Show will be held next on Nov 4th-5th, 2023 with additional shows on Feb 17th-18th, 2024, Jul 13th-14th, 2024, and Nov 2nd-3rd, 2024 in Slidell, LA. This Slidell gun show is held at The Harbor Center and hosted by Slidell Gun and Knife Show. All federal and local firearm laws and ordinances must be obeyed.