EDGE Custom "BEAR" Recoil Buffer for Hi-Capa

Features:High Tenacity Compound Rubber provide best quality durabilityTwo different hardness (70deg / 90deg) to choose fromInterlocking design make the best fitmentMatching steel spacerGreat shock absorbabilityMaterial: High Tenacity Compound RubberEach set come with 3 pieces black (90deg) / 3 pieces blue (70deg) / 2 pieces steel spacers - NOTE: As always, upgrading GBB require necessary skill & technique, consult expertise if needed