For shooters looking to increase capacity and dependability in .40 S&W Springfield XD platforms, a durable extended magazine is an effective upgrade for both defensive carry and range sessions. The right magazine balances feeding reliability, material strength, and a design that integrates cleanly with the pistol’s ergonomics.

PROMAG SPRINGFIELD XD is an extended 20rd magazine for Springfield Armory XD pistols in .40SW. It is built from heat-treated blued steel and uses a follower lockplate and baseplate molded from a proprietary DuPont Zytel based black polymer. The spring is wound from Chromesilicon wire and heat-treated for strength and reliability, and this model is also compatible with XDM pistols.

Shop this product to view current stock and pricing; the magazine is competitively priced at $24.99, making it an affordable capacity upgrade for training and preparedness.

Build and Materials

The PROMAG SPRINGFIELD XD uses heat-treated blued steel for the magazine body, providing a balance of corrosion resistance and structural durability under repeated loading cycles. Critical wear components—the follower lockplate and baseplate—are molded from a proprietary DuPont Zytel based black polymer, offering impact resistance without adding excessive weight. The Chromesilicon spring, heat-treated for resilience, helps maintain consistent tension across extended capacity rounds.

Feature breakdown

– 20-round extended capacity designed specifically for Springfield XD pistols in .40SW.
– Heat-treated blued steel body for longevity.
– DuPont Zytel polymer follower lockplate and baseplate for durability and smooth operation.
– Chromesilicon wound spring, heat-treated to resist sag and feed issues over time.

Performance and Application

.40 S&W remains a proven service caliber offering a balance of terminal performance and controllability. In an extended 20rd configuration, this magazine is ideal for range work, drills requiring higher round counts, or situations where extra capacity is preferred. Compatibility with XDM variants adds versatility for shooters who own multiple Springfield models.

For a closer look and to purchase, View product details and pricing on our shop page where you can complete your order through the retailer.

Why Serious Shooters Choose This Magazine

Whether you’re training for consistency or increasing on-hand capacity for defensive scenarios, the PROMAG SPRINGFIELD XD delivers a rugged, cost-effective option. The combination of heat-treated steel, durable polymer components, and a Chromesilicon spring addresses the three failure points most shooters worry about: body integrity, follower/base durability, and spring life. Check availability and add a reliable backup magazine to your kit today.

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