Lyman TacStar 10-Shot Magazine Extension for Winchester 1200/1300 Defender & Black Shadow Shotgun

Machined from solid steel, popular TacStar Magazine Extensions are easy to install. No gunsmithing is needed and most can be removed to return the gun to the original configuration. The seven-shot extension allows for two extra rounds, the eight-shot adds three and the ten-shot adds five more rounds to the shotgun's capacity. Ten-shot extensions include a Barrel/Magazine Clamp. All extensions include a specially calibrated new spring.