Increase your shotgun’s capacity with the GForce Arms +1 Magazine Tube Extension, designed for the GF4 and Gatlander series. Precision-machined from aircraft-grade aluminum and finished with durable Type II anodizing, this extension adds one additional round to your magazine. Also compatible with Benelli M4 models, this upgrade delivers added firepower without compromising reliability.
This magazine tube comes with a new magazine spring and spring retention cap.