ProMag Magazine Extension for Springfield Armory XD 9 (+4) and XD 40 (+3) Pistols

The ProMag® Magazine Extension for Springfield Armory® XD 9 (+4) and XD 40 (+3) Pistols is a drop-in magazine upgrade engineered to deliver superior firepower without breaking the bank. Featuring an impact-resistant polymer extension and lock plate designed to replace your factory floorplate, this kit increases your magazine capacity by +4 rounds in 9mm models and +3 rounds in .40 S&W mags. Better yet, this kit is 100% American-made with high-quality materials for dependable performance and lasting reliability with any factory OEM Springfield XD pistol magazine (excluding XD-M magazines or early production dimpled 9mm mags). Made in USA.