ProMag Standard 15rd 40 S&W Fits Sig Pro Blued Steel SIGA13

The ProMag Standard 15-Round .40 S&W Magazine for Sig Pro – Blued Steel, Model SIGA13, UPC 708279013478 is an aftermarket detachable box magazine engineered for Sig Sauer Sig Pro series pistols chambered in .40 S&W. Built from heat-treated steel with a durable black oxide (blued) finish, this 15-round extended magazine is designed to offer reliable feeding performance and increased capacity for defensive carry, duty use, and range practice. Gritr Sports+4ProMag Industries+4Custom Gun Solutions+4 Platform Compatibility and Caliber This ProMag SIGA13 magazine is specifically configured for the Sig Sauer Sig Pro line in .40 S&W: Firearm fit: Sig Sauer Sig Pro pistols (including SP2022 and other Pro-series variants in .40 S&W, where compatible) Gritr Sports+3GunMag Warehouse+3Nexgen Outfitters+3 Caliber: .40 S&W (40 Smith & Wesson) GunMag Warehouse+2Nexgen Outfitters+2 Capacity: 15 rounds (15+1 when one round is chambered in the pistol) Gritr Sports+4ProMag Industries+4GunMag Warehouse+4 It is intended as a replacement or spare magazine and is marketed as compatible with Sig Pro pistols, giving users an alternative to factory magazines at a competitive price point. Custom Gun Solutions+2Order Gun Magazines USA+2 Magazine Body, Material, and Finish The SIGA13 magazine body is built for strength and corrosion resistance: Body material: High-carbon heat-treated steel Gritr Sports+3ProMag Industries+3MidwayUSA+3 Construction method: Traditionally stamped and TIG-welded, yielding a rigid and crush-resistant body appropriate for duty and hard use. MidwayUSA+2Drum Magazines+2 Finish: Blued / black oxide finish to resist rust and provide a low-glare surface suitable for field or concealed carry environments. Palmetto State Armory+3ProMag Industries+3GunMag Warehouse+3 This steel construction supports consistent geometry for secure magazine seating, positive lock-up in the magwell, and repeatable feeding performance over many loading cycles. Internal Components: Follower and Spring ProMag equips the SIGA13 with robust internal components designed for smooth operation: Follower: Injection-molded polymer follower, dimensioned to guide cartridges consistently onto the feed ramp while minimizing friction against the steel body. Gritr Sports+3ProMag Industries+3MidwayUSA+3 Spring: Heat-treated chrome silicon wire spring, engineered to maintain tension and resist fatigue even under long-term loaded storage and frequent cycling. Gritr Sports+3ProMag Industries+3MidwayUSA+3 The combination of chrome-silicon spring material and a polymer follower is intended to support reliable feeding, from the first round to the last, when the magazine is properly maintained. Baseplate, Disassembly, and Maintenance The base assembly is designed with durability and serviceability in mind: Baseplate material: Injection-molded polymer floorplate, selected for impact resistance and toughness. Order Gun Magazines USA+2MidwayUSA+2 Removable floorplate: Allows the magazine to be disassembled for cleaning and maintenance—important for users operating in dusty, sandy, or high-round-count environments. Gritr Sports+1 Routine maintenance (periodic cleaning of the body, follower, and spring) helps maintain smooth feeding and prolong the service life of the magazine, particularly when used regularly at the range or in training. Dimensions, Form Factor, and Handling While dimensions may vary slightly by source, the SIGA13 is a standard-length extended magazine for the Sig Pro in .40 S&W: Capacity: 15 rounds in a single-stack/double-column box-magazine configuration (as appropriate for Sig Pro .40 S&W models). GunMag Warehouse+2MidwayUSA+2 Color: Black (blued steel body with black polymer components). GunMag Warehouse+2Nexgen Outfitters+2 The extended 15-round format typically results in a slightly longer profile than reduced-capacity magazines, offering additional grip surface for the support hand and more on-board ammunition without dramatically affecting pistol balance. Reliability, Origin, and Warranty ProMag markets the SIGA13 as a durable, reliable magazine option: Design focus: Quality and consistency through use of heat-treated steel, chrome-silicon springs, and durable polymer components. MidwayUSA+2Drum Magazines+2 Origin: Made in the USA. ProMag Industries+2Custom Gun Solutions+2 Warranty: Backed by ProMag’s lifetime replacement guarantee against manufacturer defects (per ProMag policy). ProMag Industries+2Palmetto State Armory+2 Users should always function-test magazines with their specific pistol and chosen ammunition and follow all manufacturer recommendations for safe operation. Typical Use Cases The ProMag Standard 15rd .40 S&W SIGA13 magazine is suited for: Range and practice use: Extra magazines on hand reduce reloading interruptions and allow realistic training drills. Home-defense or duty setups: Increased capacity over reduced-round magazines, while retaining a robust steel construction. Spare or replacement roles: A cost-effective backup to OEM magazines for shooters who own Sig Pro series pistols in .40 S&W. Gritr Sports+3GunMag Warehouse+3Order Gun Magazines USA+3 As always, owners must comply with local laws regarding magazine capacity and use. Technical Identification and Catalog Data For inventory management, listing, and SEO-optimized product pages, this magazine can be described with the following standardized details: Product name: ProMag Standard 15rd .40 S&W Magazine for Sig Pro, Blued Steel Manufacturer: ProMag Industries Model / Part Number: SIGA13 (also referenced as SIG-A13) GunBroker+2Nexgen Outfitters+2 UPC / Barcode: 708279013478 ProMag Industries+1 Caliber: .40 S&W Capacity: 15 rounds Body material: High-carbon heat-treated steel Finish: Blued / black oxide Follower: Injection-molded polymer Spring: Heat-treated chrome silicon wire Baseplate: Polymer, removable Firearm fit: Sig Sauer Sig Pro pistols chambered in .40 S&W Gritr Sports+3GunMag Warehouse+3Custom Gun Solutions+3 These identifiers help ensure accurate matches for search terms such as “ProMag SIGA13 15-round Sig Pro .40 mag,” “Sig Pro .40 S&W 15rd blue steel magazine,” or by UPC 708279013478. The End