FN FN66-101709 Pistol — FN 509M (SKU: FN66-101709)
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FN FN66-101709 pistol (SKU: FN66-101709) — manufacturer FN; categorized under Pistols and Polymer Centerfire Pistols. Verified package quantity: 9. Notable features: FN Optics Mounting System, Fully Ambidextrous Controls, and Interchangeable Backstraps.
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Description
Description
Product Overview
FN FN66-101709 is an FN pistol listed in Firearm categories including Pistols and Polymer Centerfire Pistols. The record lists the FN Optics Mounting System, Fully Ambidextrous Controls, Interchangeable Backstraps, and a package quantity of 9. SKU: FN66-101709.
Why This Product
The provided attributes identify mounting and ergonomics features (optics mounting system, ambidextrous controls, backstrap options) that are decision-relevant when selecting pistols for users who require optics-ready platforms or adjustable grip geometry. Package quantity supports order sizing.
Key Verified Specifications
- Brand / Manufacturer: FN (taxonomy/attribute)
- Categories: Firearm; Pistols; Polymer Centerfire Pistols (product_cat)
- SKU: FN66-101709 (woocommerce_identifier)
- Additional features: FN Optics Mounting System; Fully Ambidextrous Controls; Interchangeable Backstraps (attributes)
- Package Quantity: 9 (metadata)
Appropriate Use Cases
- Purchasing pistols that require an optics-ready slide or optics mounting interface for aftermarket red dot installations (source_fact_ids: product-273902:f009, product-273902:f002).
- Buying inventory for agencies or retailers that prioritize ambidextrous controls and adjustable backstraps for right- and left-hand shooters (source_fact_ids: product-273902:f010, product-273902:f011).
What Customers Should Know
- This product record specifies mounting and ergonomics attributes and package quantity, but it does not include caliber, magazine capacity, barrel length, or state compliance details—confirm those with the supplier before ordering (source_fact_ids: product-273902:f008, product-273902:f014).
Specifications
- Short Stroke Gas Piston Gas System (Rifle Length)
- 18.6″ Barrel Length ( Mid-Weight style, non-fluted)
- 1:8 Twist Rate Rifling

