AR-15 Competition buffer system for rifles with adjustable gas system. Recommended for rifle systems with lightweight and ultra lightweight carriers. +15% Spring available for standard carrier weights and stronger feeding using bolt catch mechanism. Reduces recoil and eliminates spring sounds. Fits carbine and rifle length buffer tube. Moving mass 27g. Designed for .223 Rem. only.
2019 Rifle World Shoot OPEN and STANDARD winners use this buffer.