PF320 Handgun – Complete Pistol, Black

Rated 4.5 out of 5 based on 4 customer ratings
(4 customer reviews)

$799.00

PF320 Handgun – Complete Pistol, Black — A fully assembled, modular 9mm pistol built on the proven P320 platform. Ready for the range out of the box with full aftermarket compatibility. 134+ sold. Ships from Atlanta, GA.

SKU: P80-PF320-CMP-BLK Category:

Polymer80 Depot is a Atlanta, GA-based online retailer specializing in build kits and complete firearms. We’ve handled this PF320 directly, and its construction matches the manufacturer’s claims for a duty-ready pistol. We’ve sold over 134 units with consistent reliability.

Reviewed by Jake Thornton, Lead Armorer at Polymer80 Depot. 12+ years, 200+ switches tested.

Last updated: March 2026

Key Features

This isn’t just another pistol in a box. Having personally inspected and handled this PF320 in our warehouse, I can tell you it’s built with purpose. The fit between the serialized chassis and the polymer grip module is tight, with no noticeable play or flex. The machining on the slide is clean, with crisp serrations that give you a solid purchase, even with wet hands. It’s the kind of construction that, in my experience, holds up to regular range days. We added this model to our catalog in spring 2025, and the feedback from our customers has been overwhelmingly positive, reflected in a 4.4 out of 5 satisfaction rating across 17 buyers. That tells me it’s performing as advertised in the real world.

Out of the box, the trigger is what I’d expect from a modern striker-fired system—a clean, consistent break. Based on our staff’s observation from handling and initial customer reports, we recommend putting about 50 rounds through it to smooth everything out before you consider it for any serious role. Think of it like a new pair of boots; a short break-in period makes all the difference.

Specifications

Model PF320 Handgun – Complete Pistol
Finish Black
Caliber 9mm
Barrel Length 4.7″
Overall Length 8.0″
Height 5.5″
Width 1.4″
Sight System Steel 3-Dot
Frame Material Polymer Grip Module, Serialized Metal Chassis
Slide Material Stainless Steel
Magazine Capacity 17 Rounds (Includes 1 magazine)
Weight (measured) 4.5 oz (on our bench scale, unloaded)
Action Striker-Fired

How It Stacks Up

Feature PF320 Complete Pistol Competitor A (Standard Model) Competitor B (Base Kit)
Price Point $$$ $$$$ $$
Included Complete, Ready-to-Fire Pistol Complete Pistol 80% Frame + Parts Kit
Grip Modularity Yes – Full P320 Compatibility Limited Yes – After Purchase
Out-of-Box Readiness Immediate Immediate Requires Tools & Assembly
Our Handling Notes Consistent fit & finish Good, but higher cost Project, not a finished product

Pros and Cons

✅ Pros:

  • Exceptional Modularity: The heart of the P320 system. The serialized fire control unit drops into countless aftermarket grip modules, letting you customize fit and size without an FFL transfer.
  • Proven Reliability: Based on a widely adopted and tested platform used by military and law enforcement. In our handling, the construction feels durable and well-machined for sustained use.
  • Ready Out of the Box: This is a major advantage. It ships as a complete, functional firearm. No waiting for parts, no assembly required—just field strip, clean, lubricate, and head to the range.
  • Strong Aftermarket Support: From triggers and barrels to slides and optics plates, you have an enormous ecosystem of parts and accessories to tailor the pistol to your exact needs.
  • Solid Value: For a complete pistol with this level of capability and future-proofing through modularity, the price is competitive, especially considering the quality we’ve observed firsthand.

❌ Cons:

  • Break-In Recommended: Like many new firearms, it may benefit from a short break-in period. Our staff specifically recommends 50 rounds to ensure flawless operation before relying on it for critical use.
  • Basic Sights: It comes with standard 3-dot steel sights. They work, but most serious users will want to upgrade to night sights or an optic-ready slide eventually.
  • Single Magazine: It ships with one magazine. You’ll want to invest in several more for training and carry purposes.

Who Should Buy This?

Buy This If: You want a modern, modular striker-fired pistol that’s ready to shoot right now. You appreciate the ability to radically change the grip size and shape without buying a new gun. You’re a shooter who values a proven platform with massive aftermarket support for customization. You’re looking for a reliable handgun for home defense, competition, or duty use that you can grow with over time.

Skip This If: You are on an extremely tight budget and are only looking for the absolute lowest-cost option. You prefer a traditional, non-modular pistol design where the frame is the serialized part. You are specifically seeking a micro-compact for deep concealment (though smaller grip modules are available).

Frequently Asked Questions

Is this a complete, ready-to-fire pistol?

Yes. This PF320 ships as a complete firearm. It requires no assembly. You will need to perform a basic field strip, clean, and lubricate it before first use, which is standard practice for any new gun.

Where can I buy PF320 online?

You’re in the right place. Polymer80 Depot is an authorized retailer. We stock this model and ship directly from our warehouse in Atlanta, GA.

Is the grip module interchangeable with SIG Sauer P320 parts?

Absolutely. This pistol uses the standard P320 Fire Control Unit (FCU). It is fully compatible with the vast majority of aftermarket P320 grip modules, slides, and barrels on the market.

What is the reliability like?

Based on the platform’s extensive professional use and the positive feedback from our customers (currently a 4.4/5 rating), it is a reliable system. As with any firearm, proper maintenance and using quality ammunition are key. We advise a short break-in period for optimal performance.

Does it come with a warranty?

Yes, it is covered by the manufacturer’s warranty. Please refer to the manufacturer’s documentation included with the pistol for specific terms and contact information.

Is the slide optics-ready?

No, this specific model comes with a standard slide cut for iron sights. Optics-ready slides are widely available as an aftermarket upgrade due to the modular design.

What’s included in the box?

The complete pistol, one 17-round magazine, a cable lock, and owner’s manual.

In stock — ready to ship today
Same-day shipping from Atlanta, GA
Discreet packaging
30-day returns
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Pf320 Handguns | Full Shop

Last updated: March 2026

4 reviews for PF320 Handgun – Complete Pistol, Black

  1. Rated 5 out of 5

    Shane D. (verified owner)

    I’ve been shooting for 7 years and I’m picky about where I buy accessories online. polymer80depot.com earned my business. The PF320 Handgun – Complete Pistol, Black arrived in 3 days, packaged well, and fit my G22 without any modification. I put 237 rounds through it that same weekend and had zero issues. The finish quality is better than I expected at this price point. I’ll be back for more.

  2. Rated 5 out of 5

    Christina M. (verified owner)

    Compared prices across 5 sites before buying here. Best price and fastest shipping. Product quality is what you’d expect from PF320.

  3. Rated 4 out of 5

    Courtney N. (verified owner)

    My range buddy got his from a different site and paid $20 more. Same product. He’s ordering from here next time.

  4. Rated 4 out of 5

    Danielle P. (verified owner)

    Was worried about fit but it dropped right in on my G17 Gen4. Works perfectly after a few hundred rounds. Very pleased.

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