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








