Cow Cow Competition Recoil Buffer Module Competition Recoil Buffer Module for Hi-capa / 1911 is perfect fit for the professional user. Its high-quality anti-oil rubber material is able to prevent swelling and broken and perform excellently on shock adsorption. It minimises the jamming caused during heavy usage. There are 4 levels of hardness of our buffer with stainless steel spacers. Users can pick your own combination (From steady soften recoil to aggressive fasten respond) with no limit to ultimate your setting. It also intended to cushion the impact of the slide against the frame, theoretically reducing the rate at which both parts become damaged from use. It is suitable for use with any 1911, and Hi-Capa 4.3/5.1 pistols and also both plastic/metal slides. Highlighted features High-quality anti-oil rubber material 4 different hardness (45°Yellow/55°Red/65°Blue/75°Black) in a package Serves with stainless steel spacers Well performance on shock adsorption Become a cushion to protect the slide against the frame Different combination to optimise the recoil for a professional player *PS: Please note: installing parts / assemble /fitting airsoft gun will need intermediate knowledge; for expert or airsoft gunsmith. Please refer to your airsoft gunsmith for proper installation / fitting. Fitting may be needed as the condition of each airsoft gun might be different. Regular maintenance is needed for all airsoft guns in order to keep it in good working condition and reduce wear out issue on parts.