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A shotgun magazine extension can significantly impact performance and reliability, extending magazine capacity and improving cyclic rate. Our carefully selected collection features premium materials and proven designs, helping you find the right upgrade for your firearm.

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Reviews

Rode Long Shotgun Blimp Extension Kit

The Rode Blimp Extension transforms your existing RØDE Blimp system into a versatile setup capable of supporting shotgun microphones up to 600mm in length. The kit includes a 256mm extension piece, two sets of rigid silicone mounts, and an extra-long DeadWombat fur windshield for enhanced wind protection. While the extended microphone may exhibit some internal vibrations during abrupt movements, the overall performance is praised for its precise fit and superior wind-shielding capabilities.

Shield Arms S15 +5 EXT Shotgun Magazine Extension

This magazine extension bumps the capacity of your Shield Arms S15 by five rounds, featuring that practical "easy access floor plate design" that lets you tweak the spring and follower without removing the extension. The green ODA finish matches nicely with other custom touches you might have. It's got a solid 5-star rating from the one user who reviewed it, saying it installed easily and fit perfectly.

Lancer Shotgun Extension Tube 870

Made from lightweight carbon fiber and aluminum, this smooth-feeding extension tube bolts onto your shotgun's magazine tube to add extra capacity – three more rounds on top of what you've got. The included spring is super flexible, letting you cut it to the perfect length for your setup. It's got a sleek profile that adds just enough length without feeling bulky.

Nordic Mossberg 12GA Nut Black

Made in the USA and backed by some solid reviews, this Nordic Mossberg nut is your ticket to extending your magazine capacity. At just over 9 inches long, it works wonders with Mossberg's MXT tubes for shotguns like the 590 and 830 series. The quality is undeniable, though you might wish for a few more length options to match your specific setup.

Lancer Shotgun Extension Tube

The machined aluminum and carbon-fiber construction feels premium in hand, though you'll want to measure carefully to make sure the total extension stays safely inside the barrel. The included spring gives you some flexibility in setup, letting you trim it to your preferred load height. Overall, it's a nifty way to squeeze a couple extra rounds into your magazine without going all-length extension tube.

Nordic +7 MXT Tube 12GA Black Needs Nut

This 12-gauge magazine extension kit adds a substantial seven rounds to your loaded capacity, making it an essential upgrade for any shotgun owner. The precise fit and reliable performance earned high praise from users who've paired it with their Winchester 1300, showing just how versatile these components are across different gauges. The entire kit consists of a 23-inch tube and the necessary nut, designed specifically for the MXT-TBS-12-7 system.

Ryobi 21° Extended Capacity Magazine

When you're hitting nails in at a steady clip with your RYOBI 21° Framing Nailer, every second counts – that's why you'll want this extended capacity magazine on your side. Installing in no time with straightforward bottom loading, it does exactly what it says on the tin: the magazine doubles your nail-holding power, letting you hammer through more frames and walls before reloading. The 21° angle gives you just the right amount of reach for those tricky corners, while the compatibility with 2" to 3-1/2" nails means your favorite tools can handle any job you throw at them.

Canik Std Aluminum +3 Mag Extension

This aluminum magazine extension adds three rounds of 9mm Luger capacity to Canik firearms, helping users carry more ammunition while maintaining a compact design. As one of the global leaders in firearms engineering, Canik continues to deliver practical innovations that enhance shooting capabilities.

Wilson Combat WCP320 Magazine Catch

This blued magazine catch adds an extended release mechanism to your Wilson Combat firearm, helping prevent accidental discharge. The simple yet effective design has earned top ratings from users who rely on it for added safety during quick draws.

Shield Arms S15 G43x/48 Mag

This sleek 15-round magazine matches the size of the original 10-round Glock magazine, featuring raised ribs that align perfectly with the frame to prevent those pesky stacking issues. The new steel construction is thicker and more durable, while the black nitrocarburized finish provides excellent corrosion protection. It's a simple upgrade that works flawlessly with my Glock 43X.

Warne CZ 75 9mm Magazine Extension

Eagerly anticipating their extended magazine, CZ 75 enthusiasts will appreciate the sleek gray extension that adds five reliable rounds to their capacity. The durable gray-finished aluminum magazine maintains impeccable alignment with the firearm, ensuring smooth magazine changes and consistent feeding.

Odin Works Mag EXT for GLK 17+

Made from durable 6061 aluminum, the PMB fits snugly in the palm with its ergonomically designed shape. The weighted base helps with quick magazine changes while keeping the overall height under competition rules. The included power spring and push-pin make for smooth magazine loading.

Shield Pmag Gen 3 +5 Extension Magazine

This simple yet effective extension adds five rounds to your Magpul PMAG magazine while keeping the reload process quick and straightforward. The aluminum construction, finished with a durable anodized coating, adds just a hair under an ounce to your magazine's weight. Available in select states due to firearm regulations, it's a smart upgrade for those who want a bit more capacity without changing their entire magazine system.

Shield Mag EXT +5/4 for GLK19/23

Constructed from durable 6061 aluminum and anodized for long-term protection, this magazine extension adds five rounds to Glock 19 magazines and four rounds to Glock 23 magazines. The intuitive design includes a removable floor plate that allows effortless adjustment of the spring and follower, while the precision-machined edges ensure comfortable handling. Made in the USA, this simple upgrade can increase your magazine capacity, though it's compatible only with specific Glock models.

Odin Works Mag EXT for M&P 9+5 Black

The Odin Works PMB is a slim aluminum magazine base that adds five rounds to your Glock 17 while keeping the profile under 140mm for competitive shooting. The ergonomically designed base fits nicely in your hand, and the weighted aluminum feels stable when you're changing magazines quickly. The included spring and push-pin make it a straightforward upgrade for your pistol setup.

ATI azine Bulldog A - 5RD Black

The ATI azine Bulldog A brings reliability to your 12-gauge shotgun with its 5-round polymer magazine. While some users found minor adjustments needed, the majority praised its quality and functionality. Compatible with both standard and extended magazine releases, this Black Polymer magazine is a solid choice that performs as advertised.

Shield Arms Mag Extension

This reliable magazine extension adds 5 rounds to a Glock 19 and 4 rounds to a Glock 23, while its innovative floor plate design lets you service the spring and follower without removing the extension. The extension is precision-machined from durable 6061 aluminum with type 2 anodizing for lasting performance.

Backup Mag EXT for GLK 17/22 +5

When you're out shooting and your trigger finger gets tired, these tactical magazine extensions make reloading a breeze. The blacked-out flat earth finish looks mean and doesn't show fingerprints, which is perfect for quick draws. At just over an inch long, they give you that extra bit of relief you need between shots without adding much bulk.

Shield Arms Glock 43 Magazine Extension

Made from durable 6061 aluminum and finished with type 2 anodizing for lasting protection, this magazine extension adds two rounds to your Glock 43. Its innovative design lets you service or clean the magazine while it's still attached, and the textured grip surface helps keep it secure when you're drawing from your holster.

Shield S15-s10 Mag EXT +2

Made from durable 6061 aluminum and precision-machined in the USA, this magazine extension adds two reliable rounds to your Shield Arms S15 magazine while keeping the reload process quick and straightforward thanks to its easy-access floor plate design. The billet aluminum construction gets a toughType 2 anodized finish, while the textured index cuts make it easy to grab from a pouch in a hurry.

Buyer's Guide

Shotgun magazine extensions increase the magazine's capacity while maintaining original functionality. This guide outlines key considerations for selecting the right extension, helping you choose one that matches your shooting needs and firearm model.

Compatibility

Begin by verifying compatibility with your specific firearm model. Check the manufacturer's specifications for permitted extensions. Always use extensions designed for your exact firearm make and model to ensure proper fit and safety.

Material Quality

The extension's material significantly affects its durability and performance. Common materials include aluminum and polymer. Aluminum offers superior strength-to-weight ratio but can be heavier, while polymer is lighter but may not resist corrosion as effectively.

Manufacturing Precision

Precision in manufacturing determines the extension's reliability. Look for tight tolerances between the extension and magazine baseplate to prevent wobble and ensure consistent rounds feeding. Premium extensions often feature ergonomic designs for improved grip and operation.

Capacity vs. Performance

Balancing capacity with performance is crucial. While higher capacities increase rounds available, they may affect cycling reliability. For competitive shooting, consider extensions that match your magazine's original capacity rather than significantly increasing it.

FAQ

What is a Shotgun Magazine Extension?

A Shotgun Magazine Extension, also known as a magazine tube or magazine extension tube, is a cylinder that attaches to the stock of a shotgun. It extends the length of the magazine, allowing for additional shells to be loaded while keeping the gun's balance and handling characteristics as close to stock as possible.

These extenders are made from various materials such as aluminum, polymer, or stainless steel, and come in different lengths to accommodate different magazine capacities and gun models.

Why Use a Shotgun Magazine Extension?

Magazine extensions increase the ammunition capacity of semi-automatic and pump-action shotguns while maintaining proper gun balance. They help prevent the gun from becoming unwieldy when loaded with multiple rounds, especially in hunting or high-volume shooting situations.

These extensions are particularly useful for trap, skeet, and sporting clays where rapid fire is common, as well as for hunting scenarios where quick follow-up shots may be necessary.

How Do I Choose the Right Shotgun Magazine Extension?

Accurately measure your gun's factory magazine length and desired additional capacity. Then choose an extension that matches your gun model and adds the necessary length. Most manufacturers provide specific dimensions and compatibility information in their product descriptions.

Consider the construction material based on your shooting environment. Aluminum extensions are lightweight and corrosion-resistant, suitable for most outdoor uses. Polymer options are more cost-effective and offer adjustable length capabilities, while stainless steel provides extra durability for competitive shooters.

Can I Use Any Shotgun Magazine Extension?

magazine extensions are specific to each shotgun model and gauge. Not all extensions will fit every type of shotgun, as dimensions vary between manufacturers and gun models. Always verify compatibility before purchasing.

Check your local laws and regulations regarding extended magazines. Some jurisdictions have restrictions on magazine capacity modifications due to safety and firearms control measures.

What Maintenance Does a Shotgun Magazine Extension Require?

Regularly inspect the extension for signs of wear, scratches, or damage. Clean it with appropriate solvent and a soft cloth after each use to remove powder residue and prevent corrosion.

Store the extension properly in a dry, secure location away from direct sunlight and extreme temperatures. Consider applying a light coating of lubricant to the threading for future assembly.

Can I Convert My Shotgun to Full Auto with a Magazine Extension?

No, a magazine extension does not convert a semi-automatic or pump-action shotgun into a full-automatic firearm. The magazine simply holds more ammunition, but the firearm's operating mechanism remains unchanged.

Full-automatic conversion requires modifying the firearm's receiver and firing mechanism, which is legally and mechanically complex. Attempting such modifications without proper training and equipment can be dangerous and illegal.