Springer Precision +10 Magazine Extension for Sig Sauer P320 9/40

Maximize your Sig Sauer P320's capacity with the Springer Precision +10 Magazine Extension for 9mm and .40 S&W models. This precision-engineered base pad transforms standard 17-round magazines into high-capacity options, delivering reliable performance for competition, training, or tactical applications. Key Features Unique set-screw locking mechanism provides a secure, low-profile attachment that is easy to install or remove with the included .050 hex driver Designed specifically to work with Springer Precision mag wells for a seamless fit Lightweight design at just 2.47 ounces adds minimal bulk while significantly increasing round count Available options include Grams Engineering follower kits for maximum capacity or extra-power springs