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The Shield Arms +5/+4 Magazine Extension brings real firepower to your Glock 19 or 23 without compromising reliability. Built from precision-machined 6061 billet aluminum with Type 2 anodizing in Operational Detachment Alpha green, this extension adds 5 rounds to standard Glock 19 magazines or 4 rounds to Glock 23 magazines. It's the kind of upgrade that works whether you're running competition stages, training at the range, or carrying for defense.
The real innovation here is the easy-access floor plate design. Instead of having to pull the entire extension off to clean or service your magazine, you can access the spring and follower on the fly. That means you can do field maintenance without extra tools or disassembly. The extension also includes machined index cuts along the body that give you a solid grip when handling your mags, especially during fast reloads. Installation is straightforward and doesn't require any special skills. The included +10% power spring is engineered to handle the extra rounds reliably, keeping your feed consistent across the board.
Made in the USA, this extension has earned its reputation for durability. The aluminum construction is tough enough to handle drops, range abuse, and years of hard use without cracking or warping. It works with factory Glock 13 and 15-round magazines and pairs well with most aftermarket flared mag wells if you want to take reload speed seriously. The anodized finish resists wear and keeps looking sharp whether you're carrying it daily or running it in competition.
Shield Arms backs these extensions with a 100% lifetime warranty and their Spring for Life guarantee, which tells you everything you need to know about how confident they are in the engineering. When a company is willing to stand behind a product that long, it means they've done the work to get it right.
Yes, this extension is engineered to work with OEM Glock 13 and 15-round magazines for the Glock 19 and 23. It replaces the factory floor plate and spring. Make sure you're using an original Glock magazine body for best results.
The extension adds 5 rounds to Glock 19 magazines (bringing them from 15 to 20 rounds) and 4 rounds to Glock 23 magazines (from 15 to 19 rounds). The +10% power spring that comes with it is sized to handle that extra capacity.
Instead of removing the entire extension to clean your magazine or service the spring and follower, the floor plate design lets you pop off just the baseplate and access those parts quickly. It saves time during routine maintenance and means you don't have to completely disassemble the extension to keep your mags in top shape.
Yes, it works with most aftermarket flared mag wells designed for Glock. If you're using a standard magwell, there shouldn't be any compatibility issues. Just make sure you're pairing it with the right magazine body (OEM Glock, not aftermarket magazine tubes).
| UPC | 853465008544 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | G19-ME-5-ODA |
| Color | Operational Detachment Alpha Green |
| Model | |
| Product Type | Magazine Extension |
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