Lancer Systems P320 Extended Basepad 5 Round Black 5. Built from aircraft grade aluminum with an anodized finish the extended basepad increases any factory Sig Sauer magazines capacity by 5 rounds providing users with a competitive edge. Engineered with both professional and competitive shooters in mind the design ensures a secure fit and seamless integration with the P320 platform. Its durable construction maintains reliability while offering an easy installation process making it a musthave upgrade for those looking to maximize their magazine capacity. Specifications for Lancer Systems P320 Extended Basepad: Manufacturer: Lancer Systems Color: Black Magazine Capacity: 5 Round Gun Make: SIG Sauer Gun Model: SIG Sauer P320 Features of Lancer Systems P320 Extended Basepad Increase magazine capacity by 5 rounds. Package Contents: Lancer Systems P320 Extended Basepad What firearm models does the manufacturer say Lancer Systems P320 Extended Basepad is compatible with? The manufacturer suggests that Lancer Systems P320 Extended Basepad is compatible with SIG Sauer P320Lancer Systems LBP-320-5-BLK: P320 Extended Basepad 5 Round Black