| The BT-4 Combat is rock solid reliability defined. Not only is it the obvious choice for a high quality recreational gun, it’s also the perfect base for building a totally custom one of a kind machine. The BT-4 comes with a removable barrel system, allowing the user to select a barrel that is suitable for the playing conditions. Standard barrels are mirror honed with a step-bore and porting. SPECIAL FEATURES:   * Slide-away Feed port Easy Cleaning and Maintenance   *Adjustable Vertical Fore grip   * Modular Trigger System   *Removable Grip Frame   *Double Sided Ball Detents When one side wears out, turn it over and use the other   * Removable Rear Sight |
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