Polymer80 PFS9 vs PFC9: which serialized pistol to buy

The two pistols most people mean when they say "a Polymer80" are the PFS9 and the PFC9. Both are complete, serialized, factory-built 9mm handguns that use the Glock Gen3 parts pattern, and both ship from us to a licensed dealer of your choice for the normal Form 4473 and background check. The difference is size, and size decides almost everything else: how the gun carries, how it shoots, which magazines it takes and which holsters fit. This guide walks through the differences so you can order the right one the first time. We are an independent store and are not affiliated with Polymer80 or Glock.

The short version

PFS9: full-size, Glock 17-pattern footprint, longer barrel and sight radius, 17-round standard magazines. The range and home-defense choice.
PFC9: compact, Glock 19-pattern footprint, shorter barrel and grip, 15-round standard magazines. The everyday-carry choice that still shoots like a full-size gun.

Size and handling

The PFS9 gives you a full grip for every finger and a longer slide. Published specs put the barrel around 4.5 inches with an overall length near 8 inches. That extra length steadies the gun in fast strings, and the longer sight radius makes small sights easier to line up at 15 and 25 yards. The PFC9 trims roughly half an inch from the barrel and a similar amount from the grip. For most adult hands the PFC9 grip still takes a full three-finger hold, which is why it has become the general-purpose pick: it hides under an untucked shirt but does not feel like a pocket gun on the line.

Both pistols share the Polymer80 grip angle, which is a little more upright than a factory Glock, and the same flat-faced trigger and extended beavertail. If you already shoot a Glock 19, the PFC9 will feel familiar in the holster and slightly different in the hand.

Magazines

Here the two guns behave like the Glock models they mirror. The PFS9 ships with 17-round magazines and accepts Glock 17-pattern magazines, including 33-round extended magazines where those are legal. The PFC9 ships with 15-round magazines and accepts Glock 19-pattern magazines, and it will also run the longer 17-round magazines with the base plate sticking out below the grip. That is a real advantage for the compact gun: one set of full-size magazines can serve both pistols. Our triggers and magazines guide covers which brands owners report feeding well and which states cap capacity at 10 or 15 rounds.

Carry

If the pistol is going on your belt every day, the PFC9 is the easier gun to live with. The shorter grip is what prints through a shirt, not the slide, so the compact's half-inch matters more than it sounds. Holster makers that cut for the Glock 19 usually fit the PFC9, but the Polymer80 frame has a slightly different trigger guard and rail, so check the maker's compatibility notes or pick a holster listed for the PFC9 by name. The PFS9 can be carried, and plenty of people carry Glock 17-size pistols, but it wants a good belt and a longer cover garment.

Range and home defense

For a gun that lives in a safe and comes out at the range or for home defense, the PFS9 is the better shooter. Two more rounds, a longer sight picture and a little more weight up front all help. Both guns take an accessory rail light, and both slides can be swapped for optic-cut slides if you want a red dot later; our slides and barrels guide explains slide length and cut options.

Parts and upgrades

Because both pistols use the Gen3 Glock parts pattern, most aftermarket triggers, connectors, sights, guide rods and magazine releases fit either one. Barrels and slides are size-specific: a PFC9 takes compact (19-size) slides and barrels, the PFS9 takes full-size (17-size) parts. Keep that in mind when you shop, because a slide listed for "Glock 19 Gen3" is generally a PFC9 part and one listed for "Glock 17 Gen3" is a PFS9 part. Always confirm fit with the part maker before you order.

Price and availability

Prices on the two pistols usually sit close together, with the compact sometimes a little higher when demand for carry guns is strong. Supply has been uneven since the manufacturer wound down its frame business in 2024, so the pistol that is in stock today may not be next month. Our catalog shows live stock and price; use the search box for PFS9 or PFC9 to see what is available right now.

Which one should you buy

Daily carry, one gun for everything: PFC9.
Range, competition practice, nightstand: PFS9.
Already own Glock 17 magazines: either, since the PFC9 runs them too.
Smaller hands or a short cover garment: PFC9.

Sights, lights and holsters

Both pistols use the standard Glock sight dovetail, so night sights and fiber-optic fronts drop in with the usual tools. The rail on each frame accepts compact weapon lights; a light adds weight to the PFC9 that some carriers dislike, while on the PFS9 it is a natural fit for a nightstand gun. Holster fit is the one place the two pistols split hard. A PFS9 holster will not retain a PFC9 correctly and the reverse leaves the compact's slide hanging out, so buy the holster for the exact model and check that a mounted light or optic is accounted for in the holster's listing.

Ammunition and recoil

Both guns are chambered for 9mm Luger and both handle standard-pressure and +P defensive loads. Recoil is mild in either, but the PFS9's extra ounces and longer slide travel make fast pairs noticeably easier to keep on a small target. Owners commonly report that the compact prefers 115- and 124-grain loads for the smoothest cycling during break-in, while the full-size gun is indifferent. Run a few hundred rounds of your chosen defensive load through whichever pistol you buy before you trust it.

Sights, lights and holsters

Ammunition and recoil

How the purchase works

Each pistol is a serialized firearm. When you order, you name a licensed dealer near you; we ship the pistol to that dealer, and you complete ATF Form 4473 and the background check there. You must be 21 to buy a handgun from a dealer, and some states add permits or waiting periods; see buying a Polymer80 pistol online for the state-by-state steps. Magazines, holsters and parts ship straight to your door where legal. Browse pistols or everything Polymer80 in the catalog.

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