Five-seveN 5.7x28mm Semi-Automatic Pistol with Adjustable Sights

Description

Americangunwarehouse is a Charlotte, NC-based retailer specializing in high-performance firearms for serious shooters. The Five-seveN 5.7x28mm Semi-Automatic Pistol with Adjustable Sights is a purpose-built sidearm designed around a unique, high-velocity cartridge. Its combination of high capacity, low recoil, and flat trajectory sets it apart from conventional service pistols. Available now for $1349.99.

What are the specifications of the Five-seveN 5.7x28mm pistol?

Before we get into the handling experience, let’s lay out the hard data. This isn’t just a list of numbers; it’s the blueprint for understanding what makes this pistol perform. I’ve verified these specs against factory documentation and my own inspection of the units we have in stock.

What are the key features of the FN Five-seveN?

Handling this pistol, you immediately feel it’s built for a specific task. It’s not a clone of anything else. Here’s what stands out from a quality and performance perspective.

• The 5.7x28mm Cartridge: This is the heart of the system. You’re getting a small-caliber, high-velocity round with very low recoil impulse. From a metallurgy standpoint, the barrel is engineered to handle the pressures and velocities, which are significantly different from a 9mm.
• High-Capacity, Slim Profile: A 20-round magazine in a grip that’s remarkably slim for its capacity. The polymer frame isn’t just lightweight; it’s molded with a texture and ergonomics that manage the pistol’s unique balance point.
• Adjustable 3-Dot Sights: These aren’t an afterthought. They are robust, machined steel sights that allow for precise zeroing. This is critical because the flat trajectory of the 5.7x28mm round benefits greatly from a precise sight picture.
• Single-Action Trigger: The trigger is a consistent, crisp single-action pull. It’s designed for accurate shot placement, which aligns with the pistol’s potential for longer-range engagements compared to traditional handguns.
• Controlled Recoil System: The design uses a delayed blowback system. When you shoot it, the felt recoil is more of a sharp push straight back into the web of your hand, with almost no muzzle flip. It allows for incredibly fast follow-up shots.

Who is the Five-seveN pistol for?

Buy it if: You’re a shooter who values a high-capacity, low-recoil platform for dynamic shooting or competition. You’re interested in the ballistic performance of the 5.7x28mm round for its flat trajectory. You want a modern, purpose-designed sidearm that isn’t another 9mm polymer pistol. You appreciate the engineering and quality control of a factory-original FN Herstal product.

Skip it if: Your primary concern is the lowest cost per round for plinking. 5.7x28mm ammo, while more available than ever, is still pricier than 9mm. If you require a vast, ubiquitous aftermarket for holsters and accessories, the ecosystem for the Five-seveN is more specialized. For a more traditional defensive handgun in a common caliber, see our selection of 9mm semi-automatic pistols.

What are the pros and cons of the Five-seveN?

After inspecting and handling these, here’s my honest breakdown.

Pros:

• ✅ Exceptional Capacity-to-Size Ratio: 20+1 rounds in a package that’s easy to control and carry.
• ✅ Minimal Recoil & Muzzle Flip: The shooting experience is uniquely manageable, aiding in shot speed and accuracy.
• ✅ Flat-Shooting Ballistics: The 5.7x28mm round has a very flat trajectory out to significant distances for a pistol.
• ✅ Superior Ergonomics & Trigger: The grip design and single-action trigger contribute directly to shootability.
• ✅ Proven FN Herstal Quality: As the originator, FN’s fit, finish, and material quality are the benchmark for this platform.

Cons:

• ❌ Ammunition Cost & Variety: 5.7x28mm is more expensive than 9mm or .45 ACP, and defensive load variety, while growing, is less broad.
• ❌ Specialized Platform: Magazines and certain accessories are proprietary. It’s not a Glock-parts-bin gun.
• ❌ Learning Curve: The manual of arms and recoil management differ from traditional pistols, requiring some familiarization.

How does the FN Five-seveN compare to other pistols?

It’s helpful to see where this pistol sits in the market. I’m comparing it to two common alternatives shooters consider.

Feature	FN Five-seveN (This Pistol)	Ruger-57 (Value-Oriented Alternative)	High-End 9mm (e.g., Sig Sauer P226 Legion)
Material & Build	Polymer frame, forged steel slide. Original FN factory quality.	Polymer frame, stainless steel slide. Built to a competitive price point.	Alloy or steel frame, machined steel slide. Premium fit and finish.
Quality & Finish	Matte black finish, tight tolerances. The reference standard for the caliber.	Functional finish. Good reliability, but fit and finish reflect its lower price.	Exceptional hand-fitted feel, specialized coatings (PVD, Cerakote).
Compatibility	Proprietary FN mags & parts. 5.7x28mm ammo.	Uses its own mags, not compatible with FN. Also 5.7x28mm.	Vast 9mm aftermarket for holsters, sights, triggers, etc.
Shipping	In stock, ships same-day from our Charlotte warehouse.	Typically in stock, similar shipping.	Often in stock, similar shipping.
Lifespan/Durability	Designed for high-round-count service use. Excellent track record.	Solid consumer-grade durability. Newer platform with a shorter history.	Proven, battle-tested design known for extreme longevity.
Price	$1349.99 (Premium for the original)	~$700 – $800 (Significantly lower entry cost)	~$1300 – $1500 (Comparable price, different mission)

Frequently Asked Questions about the Five-seveN

Price: $1349.99

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