ProMag Steel Handgun Magazine Sig Sauer P290 9mm Blued 10/rd SIG 19 SIG19

The ProMag Steel Handgun Magazine for Sig Sauer P290 9mm – 10-Round, Blued Finish, SKU SIG 19 / SIG19, UPC 708279013300 is an aftermarket box magazine engineered specifically for the SIG Sauer P290 series of 9mm subcompact pistols. Built from heat-treated steel with a blue/black oxide finish, this single-stack magazine increases on-board capacity to 10 rounds while maintaining a compact profile suitable for concealed carry, training, and range use. Platform Compatibility and Capacity This magazine is designed to work with the Sig Sauer P290 9mm pistol family: ProMag Industries+2Palmetto State Armory+2 Firearm platform: SIG Sauer P290 9mm (including P290 and P290RS variants in 9mm) Caliber: 9mm Luger (9×19mm Parabellum) ProMag Industries+1 Capacity: 10 rounds (10+1 when one round is chambered) Cheaper Than Dirt+4GunMag Warehouse+4ProMag Industries+4 It is a direct-fit replacement or supplemental magazine for the P290, intended to function as a faithful clone of the original equipment while offering extended capacity over standard 6- or 8-round factory mags. GunMag Warehouse+2MidwayUSA+2 Magazine Body, Material, and Finish The ProMag SIG 19 magazine body is constructed to withstand regular use and environmental exposure: Body material: High carbon heat-treated steel Palmetto State Armory+2MidwayUSA+2 Construction: Stamped and TIG-welded for strength and consistent geometry Palmetto State Armory+2MidwayUSA+2 Finish: Blued / black oxide finish for corrosion resistance and reduced glare Cheaper Than Dirt+3ProMag Industries+3Mid South Shooters Supply+3 This steel construction provides rigidity and dimensional stability, helping to ensure reliable insertion, retention, and feeding when used with properly functioning firearms. Internal Components: Spring and Follower ProMag uses durable internal components to support smooth feeding cycles: Spring: Precision-wound heat-treated chrome silicon wire spring, designed to maintain tension over repeated load cycles. Forza Sports+3ProMag Industries+3MidwayUSA+3 Follower: Injection-molded polymer follower, selected for wear resistance and low friction against the steel body. Forza Sports+4ProMag Industries+4MidwayUSA+4 The combination of a chrome-silicon spring and polymer follower is intended to promote consistent cartridge presentation and reduce the likelihood of feeding malfunctions when the magazine is properly maintained. Baseplate, Grip Extension, and Handling Most listings specify a polymer floorplate / baseplate, often with an integrated grip extension: Baseplate material: Injection-molded polymer GunMag Warehouse+2MidwayUSA+2 Grip extension: Many SIG19 mags are supplied with a contoured polymer grip extension that adds finger support and improves control on the subcompact P290 frame. GunMag Warehouse+1 Removable floorplate: Allows the magazine to be disassembled for cleaning and maintenance. GunMag Warehouse+2Mid South Shooters Supply+2 The extended base helps shooters achieve a more secure grip on the small P290 frame, especially for users with larger hands or when firing higher round counts at the range. Dimensions, Weight, and Form Factor While exact measurements can vary slightly, retailers list approximate physical characteristics: Height: ~1" Length: ~5" Width: ~2" Forza Sports Material class: Blue/black steel body with polymer follower and base The magazine’s single-stack, extended-length design is intended to balance increased capacity with manageable concealment and handling on a subcompact pistol platform. Reliability, Maintenance, and Warranty ProMag highlights durability and reliability features built into the SIG 19 magazine: Heat-treated steel body and welded seams for structural strength. Palmetto State Armory+2MidwayUSA+2 Chrome-silicon spring designed to resist set and maintain proper tension over extended use. ProMag Industries+2MidwayUSA+2 Durable polymer components for the follower and baseplate to reduce friction and wear. MidwayUSA+2GunMag Warehouse+2 Made in USA with ProMag’s lifetime warranty support (policy details per manufacturer). ProMag Industries+2Mid South Shooters Supply+2 For best performance, ProMag and retailers recommend: Periodic disassembly and cleaning to remove carbon, dirt, or lint. Using appropriate 9mm ammunition within P290 specifications. Inspecting feed lips and springs regularly and replacing the magazine if damage or excessive wear is observed. Typical Use Cases The ProMag Steel Handgun Magazine for Sig Sauer P290 9mm, 10-Round Blued (SIG 19 / SIG19) is suited for: Concealed carry backups: Extra 10-round magazine carried on-body or in a bag for self-defense setups (where legal). Range training and practice: Additional magazines to reduce downtime between strings of fire. Home-defense configurations: Higher on-board capacity than flush-fit magazines while remaining compact. As with all firearm accessories, users should follow all applicable laws and ensure safe handling, loading, and unloading procedures. Technical Identification and Catalog Data For cataloging, inventory, and SEO-optimized product pages, the magazine can be identified with the following standardized details: Product name: ProMag Steel Handgun Magazine Sig Sauer P290 9mm Blued 10-Round Manufacturer: ProMag Industries Model / SKU: SIG 19 / SIG19 Mid South Shooters Supply+3ProMag Industries+3GunMag Warehouse+3 UPC / Barcode: 708279013300 Mid South Shooters Supply+3GunMag Warehouse+3ProMag Industries+3 Caliber: 9mm Luger Capacity: 10 rounds Body material: Heat-treated high carbon steel Finish: Blued / black oxide Spring type: Heat-treated chrome silicon wire Follower and baseplate: Injection-molded polymer Fits firearm: SIG Sauer P290 9mm pistols These details support accurate search matches for terms like “ProMag SIG 19 P290 10 round blue steel magazine,” “SIG19 9mm P290 mag,” or by the UPC 708279013300. The End