Shotgun Magazine Extension 2 Rd. Fits Win. 1200/1300 Def.

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All-steel extension tubes attach directly to the end of the magazine tube and increase capacity by as much as five rounds. Extension cap is machined... [more info]

Shotgun Magazine Extension 2 Rd. Fits Win. 1200/1300 Def.

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All-steel extension tubes attach directly to the end of the magazine tube and increase capacity by... [more info]

Shotgun Magazine Extension 2 Rd. Fits Rem. 870/1100/11-87

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All-steel extension tubes attach directly to the end of the magazine tube and increase capacity by... [more info]

Shotgun Magazine Extension 3 Rd. Fits Rem. 870/1100/11-87

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All-steel extension tubes attach directly to the end of the magazine tube and increase capacity by... [more info]

Shotgun Magazine Extension 5 Rd. Fits Rem. 870

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All-steel extension tubes attach directly to the end of the magazine tube and increase capacity by... [more info]

Shotgun Magazine Extension 5 Rd. Fits Rem. 1100/11-87

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All-steel extension tubes attach directly to the end of the magazine tube and increase capacity by... [more info]

Shotgun Magazine Extension 2 Rd. Fits Ben. Nova/Super Nova

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All-steel extension tubes attach directly to the end of the magazine tube and increase capacity by... [more info]

Shotgun Magazine Extension 3 Rd. Fits Ben. M1/M2/Super Black Eagle I & Ii

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All-steel extension tubes attach directly to the end of the magazine tube and increase capacity by... [more info]

Shotgun Magazine Extension 2 Rd. Fits Ben. M4

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All-steel extension tubes attach directly to the end of the magazine tube and increase capacity by... [more info]

Shotgun Magazine Extension 12 Ga Blue Mag Ext, 5-Rds Fit Win. 1200

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Gives you additional magazine capacity in only a minute. Quick and simple to install and remove.... [more info]

Side Saddle Shell Holder Fits Win. 1200/1300. 6 Rnds 12 Ga

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Lightweight molded-nylon shell carrier puts additional fire power quickly within your reach.... [more info]

Shotgun Magazine Cap Sling Swivel Sets Gtsw-39 Win 1200/1300 Swivel Set

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Sturdy all-steel quick-detach swivel system for pump and semi-auto shotguns lets you attach or... [more info]

Shotgun Magazine Tube Extension Kit 3-Round Fits Brown/Win

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Easy-to-install magazine extender increases your 12-gauge shotguns capacity by up to four... [more info]

Shotgun Magazine Extension 12 Ga Blue Mag Ext 5-Rds Fit Win. 1200

Buy from Brownells

Gives you additional magazine capacity in only a minute. Quick and simple to install and remove.... [more info]

Shotgun Magazine Tube Extension Kit 4-Round Fits Brown/Win

Buy from Brownells

Easy-to-install magazine extender increases your 12-gauge shotguns capacity by up to four... [more info]

TacStar Winchester 1200/ 1300 7-round Shotgun Magazine Extension

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This TacStar Shotgun Magazine Extension is designed specifically for Winchester 1200/ 1300 Defender... [more info]