Introducing the J P Enterprises AR-15 Silent Captured Spring Gen 2 H2 with Alternate Spring Pack a revolutionary upgrade for your AR-15 platform. Designed to enhance the performance and reliability of your firearm this advanced captured spring system minimizes noise and vibration for a smoother shooting experience. The Gen 2 H2 model provides the optimal balance of weight and strength ensuring consistent cycling and improved recoil management. The included alternate spring pack allows for fine-tuning to match your specific shooting needs whether for competition hunting or personal defense. Elevate your AR-15's performance with this innovative solution from J P Enterprises.