4 Shot Magazine Extension Tube for Winchester SX4. Fits all 12 gauge Winchester Super X4 shotguns.

  • Easy Installation
  • Magazine Tube Constructed of Military Type III, Anodized, 6061 T6 Aluminum
  • Stainless Steel Magazine Spring
  • Aluminum Low Drag Follower
  • Steel Barrel Clamp with Sling Swivel
  • Ratchet Base for Tight Fit
  • Weight: 10 oz.
  • Overall Length: 12"
  • Manufactured in the USA

Click here for instructions.

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