Home / Magazine Tube Extensions / Briley / Winchester Super X-3 Shotgun Magazine Extension Tube - Winchester Super X3 Magazine Extension Tube, 3 Rds
▼ 8% below avg
Winchester Super X-3 Shotgun Magazine Extension Tube - Winchester Super X3 Magazine Extension Tube, 3 Rds
Lowest Listed Price
$90.29
MSRP
$0
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Updated
Aug 26, 2026
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Specifications
Description
Precision-machined aluminum extension tubes increase the magazine capacity of your 12-gauge Benelli, Beretta, or Winchester shotgun. Each tube has an extra-thick wall for added rigidity and strength. Ideal for shooting competitions, law enforcement, and home defense. Screws onto the factory magazine threads for fast installation in minutes. Knurled grasping surfaces aid installation and removal for cleaning. Mfg: Briley SPECS: 6061 T6 aluminum, black finish. Fits 12 gauge only. Includes tube extension, tube connector, spring, and follower.
