"NJ Gun Training, CCW Firearm Certification, & Pro Gun Shop Located in Hazlet, NJ, but serving All Central NJ & Beyond! Ready to improve your firearm skills in New Jersey or get CCW Certified? Duncan Defense Consultants is your solution for ALL your comprehensive firearm training and services in NJ. Our top-notch training focuses on safety, proficiency, and confidence, empowering our community to protect themselves and their loved ones. Whether you’re a beginner or an experienced shooter, our range of cours