High-capacity magazines are a practical upgrade for shooters who use the FN Five-seveN for range work, competition, or duty applications. A robust 30-round option balances capacity with feed reliability when paired with the pistol’s unique small-caliber, high-velocity cartridge.
PROMAG FN FIVE-SEVEN
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Design and Construction
This extended 30-round magazine for the FiveSeven pistol in 5.7x28mm uses an injection-molded housing and follower made from impact-resistant, glass-filled nylon polymer. That construction resists cracking and deformation under repeated use and harsh handling. The spring is precision wound from heat-treated Chromesilicon wire, which maintains consistent tension for dependable feeding cycle after cycle. All components are proudly made in the U.S.A., which matters to operators who prioritize domestic manufacturing standards.
Why these materials matter
Glass-filled nylon provides superior dimensional stability compared with plain polymer, reducing wobble and ensuring consistent lockup in the magwell. Chromesilicon springs retain spring rate better over time than cheaper wire types, translating to fewer feeding issues and longer service life.
Performance with 5.7x28mm
The magazine is purpose-built for the 5.7x28mm cartridge used by the Five-seveN. This cartridge is known for high velocity and flat trajectory in a lightweight projectile, making reliable feeding and spring consistency essential. The extended capacity is useful for training sessions and competitive strings where frequent reloads interrupt cadence.
Fitment, Price, and Brand Notes
This magazine fits the Five-seveN platform and ships as a 30-round extended unit. The price is $36.99, providing an economical way to increase on-board capacity without sacrificing durability. Promag is well-known in the aftermarket parts sector for pragmatic, cost-conscious designs and a long history producing mags and accessories—this model, listed under Various in Promag’s offerings, follows that practical lineage.
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For shooters seeking a durable, U.S.-made 30-round solution for the Five-seveN platform, this magazine offers a balance of rugged materials, reliable spring technology, and affordable pricing. Check current availability and add one to your range kit today.
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People Also Ask
What makes this product stand out from competitors?
This product offers superior quality and innovative features that set it apart in the market. Its design focuses on both performance and reliability, making it a top choice for professionals and enthusiasts alike.
Is this product suitable for beginners?
Yes, this product is designed with user-friendly features that make it accessible to beginners while still offering advanced capabilities for experienced users.
What warranty or support is available?
The product comes with comprehensive warranty coverage and excellent customer support to ensure your satisfaction and peace of mind.
How does this compare to similar products in its price range?
This product offers exceptional value for its price point, providing features and quality that typically cost significantly more in comparable alternatives.
What maintenance is required?
Minimal maintenance is required thanks to the product’s durable construction and quality materials. Regular cleaning and occasional inspections will keep it performing optimally.
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