Ruger Blued Steel Magazine Fits P91 P994 Kp91 Kp994 Pc4 40 S&w

The Ruger 90089 P91 10rd magazine from Ruger offers a reliable spare or replacement for P91, P944, KP91, KP944 and PC4 pistols, engineered for .40 S&W shooters who demand consistent feeding and durable construction; crafted from heat-treated steel with a blued finish, this detachable 10-round magazine resists wear at contact points and delivers smooth lockups while maintaining the factory fit and function your Ruger requires. Featuring a stout spring and a precisely formed follower to reduce tilt and stovepiping, it supports rapid reloads on the range, in training scenarios, or during field use where consistent extraction and ejection matter most. The magazine's dimensions and feed-lip geometry mirror OEM specifications to ensure repeatable seating and magazine release engagement, and its blued steel exterior blends with blued pistols for a uniform appearance. Whether keeping a backup on hand for extended range sessions, rotating magazines to preserve springs, or configuring a carry setup for personal defense practice, this Ruger-fit magazine balances durability, capacity, and dependable performance for .40 S&W platforms.