Promag 17: High-Performance 20-Round FN Scar Magazine for Tactical Use

Reliable magazines are a cornerstone of duty-ready rifles. For operators and serious enthusiasts running FN SCAR platforms, a rugged, consistent feed source matters as much as optics or trigger work—especially during extended training or hard-use cycles.

PROMAG FN SCAR 17

PROMAG FN SCAR 17 20-round magazine

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The PROMAG FN SCAR 17 is a 20-round magazine built specifically for the Scar 17 and Scar Heavy platforms. Constructed from Technapolymer—a proprietary carbon-fiber glass-fill polymer—this magazine balances lightweight handling with structural strength. It pairs that body with a heattreated chrome and silicone spring designed to reduce fatigue over time and maintain reliable bolt-to-bayonet feeding under sustained use. At $21.99, it’s a practical option for shooters stacking mags without overspending. Shop this product

Construction and durability

Technapolymer offers a favorable strength-to-weight ratio compared to traditional polymers. The glass-fill content improves rigidity, resisting deformation during drops and impacts. For tactical users, that means less chance of feed-lip damage after repeated handling. The Promag build also resists environmental wear found in field conditions.

Spring design and long-term reliability

The heattreated chrome and silicone spring is a deliberate choice: chrome treatment extends corrosion resistance while heat treatment preserves spring temper and reduces sag. The silicone treatment lowers friction and helps maintain consistent feed pressure, which is critical on heavier cartridges or extended strings of fire.

Fitment and tactical applications

Designed for Scar 17 and Scar Heavy, this magazine offers drop-in compatibility with minimal fitment issues when used on properly maintained rifles. It’s suited to range use, training, and as an economical option for backup and loadout magazines. Promag is a recognized aftermarket brand and this model is listed under their various offerings for SCAR platforms.

Midway through gear selection, consider logistics: at $21.99 per magazine, acquiring multiple mags for reload drills is cost-effective. For full product specs and stock updates, View product details and pricing.

PROMAG FN SCAR 17 magazine installed view

For operators choosing magazines that blend durability, sensible pricing, and proven spring technology, the PROMAG FN SCAR 17 is a focused option for FN SCAR 17 and Scar Heavy owners. Check current availability and secure your spare mags through the shop page—click the link to purchase from the retailer. Check current availability

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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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