The Polymer80 pistol lineup: PFS9, PFC9 and PF9SS compared

Polymer80 sold three complete, factory-serialized pistols: the full-size PFS9, the compact PFC9 and the slim single-stack PF9SS. All three are 9mm, all three ship from us to the licensed dealer you choose, and all three are built to take common Glock-pattern parts. Beyond that they are different guns for different jobs. This page lines them up so you can see which one belongs in your cart, and it is written from published specifications and widely reported owner experience rather than from claims we cannot check. We are an independent store, not affiliated with Polymer80 or Glock.

The family at a glance

PFS9: full-size, Glock 17 footprint, barrel about 4.5 inches, 17-round magazines. Duty, range and home defense.
PFC9: compact, Glock 19 footprint, barrel about 4 inches, 15-round magazines. The one-gun answer for carry and range.
PF9SS: single-stack subcompact, Glock 43 footprint, barrel about 3.4 inches, 6-round magazines. Deep concealment and pocket-holster carry.

What they share

Every pistol in the line has a polymer frame with an integral accessory rail, a flat-faced trigger, an extended beavertail that keeps the slide off the web of your hand, aggressive grip texture and a stainless steel barrel under a steel slide with front and rear serrations. The grip angle is more upright than a factory Glock, closer to a 1911, which many owners say points more naturally for them. Sights sit in the standard Glock dovetail and the fire-control parts follow the Gen3 Glock pattern, so the aftermarket for triggers, connectors, sights and magazines is enormous. Our magazine guide and red dot guide cover those two areas in detail.

PFS9: the full-size

The PFS9 is the range gun of the family. The longer slide gives a longer sight radius, the full grip fits every hand, and the extra weight tames recoil in fast strings. It takes Glock 17-pattern magazines, which are the most common pistol magazines in the country, and it accepts full-size Gen3 slides and barrels from dozens of makers. As a nightstand gun with a rail light and a red dot it is hard to beat for the money. It is bigger than most people want to carry all day, though plenty do with a good belt and holster.

PFC9: the compact

The PFC9 is the best seller for a reason. It gives up about half an inch of barrel and grip against the PFS9, which is enough to disappear under a T-shirt in an inside-the-waistband holster, yet the grip still fills a full-size hand. It takes Glock 19-pattern magazines and also runs the longer 17-round and extended magazines, so spare magazines for a PFS9 work as reloads for a PFC9. Compact Gen3 slides and barrels fit. If you will only own one pistol, this is the one most buyers end up with.

PF9SS: the single-stack

The PF9SS is a different animal. It is a slim, single-stack subcompact on the Glock 43 pattern, about an inch narrower than the double-stack guns and light enough for a pocket holster or ankle carry. Capacity is six rounds in the flush magazine, more with extended base pads. It takes Glock 43-pattern slides, barrels and magazines, and none of its parts interchange with the PFS9 or PFC9. It is a carry gun first and a range gun second; the short grip and light weight make it snappier to shoot and the small sights slower at distance. Owners commonly pair it with a larger pistol rather than using it as their only gun.

Comparing them for common uses

Everyday carry, one gun: PFC9.
Deep concealment, hot weather, pocket carry: PF9SS.
Home defense and range days: PFS9.
Competition practice in production-style divisions: PFS9, or PFC9 if you also carry it.
First handgun for a new shooter: PFC9 or PFS9; the single-stack's recoil is less friendly to beginners.

Parts compatibility in one paragraph

PFS9 and PFC9 share fire-control parts (trigger, connector, springs, slide stop, magazine catch) with each other and with Gen3 Glock 17 and 19 pistols. Their slides and barrels are size-specific: full-size for the PFS9, compact for the PFC9. The PF9SS uses Glock 43-pattern everything. When a listing says "Glock 17 Gen3", "Glock 19 Gen3" or "Glock 43", read it as PFS9, PFC9 or PF9SS respectively, and confirm with the maker before ordering.

Accessories that cross the line

Because the PFS9 and PFC9 share a frame family, most accessories cross over: rail lights, magazine pouches for the 17-round magazines, sight sets and trigger parts. Holsters do not, since the slide lengths differ, and neither do slides and barrels. The PF9SS shares almost nothing with the other two beyond the sight dovetail. If you plan to own two pistols from the line, the PFS9 and PFC9 pair makes the most economic sense: one set of spare magazines, one set of trigger parts, one light.

Availability and pricing

Polymer80 wound down its frame business in 2024, and complete pistols have moved through distributor stock in waves since then. Prices for the three models tend to sit close together, with the compact commanding a small premium when carry demand is high and the single-stack sometimes discounted. Our catalog shows live stock and price; search PFS9, PFC9 or PF9SS to see what is on the shelf today.

Buying one

Each pistol is a serialized handgun. You order here, name a licensed dealer near you, and complete ATF Form 4473 and the background check at that dealer. You must be 21, and some states add a permit or waiting period; our FFL transfer guide lists the rules by state. Once the pistol is home, our setup guide covers sights, break-in and care. Browse all Polymer80 or pistols.

General information, not legal advice. Current as of September 2026. Laws change; check the official source before you act.