Elevate your shooting precision with the Guntec USA H-2-SS-BUF+SPR Heavy Buffer and Spring Set, meticulously crafted for 223/5.56 rifles. The 4.4 oz buffer optimally manages recoil, ensuring seamless firearm operation. Engineered from premium materials, this buffer and spring set promises unmatched reliability and significantly enhances shooting accuracy, making it a top choice for discerning shooters seeking peak performance. Heavy-duty 4.4 oz design for superior recoil absorption Precision engineering for enhanced reliability Improves shooting accuracy and cycling efficiency Compatible with most 223/5.56 rifles Transform your shooting experience with the Guntec USA H-2-SS-BUF+SPR set and achieve extraordinary results.