VLTOR PCC SPRING AND BUFFER KITThe Vltor PCC Spring and Buffer Kit is a specialized upgrade designed to enhance the performance of your pistol caliber carbine. This kit includes a heavy buffer and a custom tuned spring, engineered to work together for optimal cycling in PCC platforms. The heavier buffer helps manage the increased bolt velocity typical in blowback operated PCCs, reducing felt recoil and improving overall shooting comfort. The custom spring is designed to work in