Magazine Extension Tube 12 ga. (+1 to +8 rounds) for Winchester SX4 — +4 rounds 305mm — Black

This 12-gauge magazine extension allows you to increase your shotgun’s capacity while optimizing the weapon’s balance for dynamic shooting. Engineered to be lightweight yet rugged, it installs easily without requiring permanent modifications. Available in 8 different  Lengths for a capacity increase ranging from +1 to +8 rounds.

Note: Spring sold separately. Please check your local regulations regarding maximum magazine capacity.