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The Glock G48 (PA4850201FR) is one of those rare pistols that genuinely solves a problem. It's about the same length and height as a G19, but the Slimline frame trims the width down to just 1.1 inches, which makes a huge difference when you're trying to carry every day without printing through a t-shirt. This is the front rail version, so you can run a compatible weapon light without any frame modifications.
The GMB barrel is worth talking about because it's not just a marketing term. The Glock Marksman Barrel features a recessed target-style crown, tighter chamber tolerances, and more aggressive polygonal rifling compared to older Glock barrels. The result is improved consistency and slightly better muzzle velocity from a carry-length barrel. Combined with precision-milled front serrations that make racking the slide more positive, this is a noticeably upgraded package over earlier Glock generations.
Glock's Safe Action system handles all the safety work passively with three independent mechanical safeties built into the fire control group. There's no external lever to remember under stress, just a consistent 5.5 lb trigger pull every single time. The built-in beavertail lets you ride the grip high without slide bite, and the reversible magazine catch means left-handed carry isn't an afterthought. The nDLC coating on the steel slide is worth noting too. It's a diamond-like carbon treatment that hits around 3,000 HV hardness, which is significantly tougher than older Glock finishes, and it holds up well to the sweat, holster wear, and daily abuse that comes with serious carry use.
The G48 and the G43X share the same Slimline frame, which means they take the same magazines. The difference is the slide and barrel length. The G48's longer 4.17" barrel gives you a better sight radius than the 43X, which translates to more confidence at distance and slightly more velocity from your defensive loads. Owners who shoot both consistently report that the G48 is noticeably easier to shoot accurately, particularly beyond 10 yards. The factory 10-round magazines are the starting point, and for those who want more capacity, Shield Arms S15 metal magazines are widely regarded as a reliable upgrade. The aftermarket support for this platform in general is excellent.
The G48 and G19 are nearly identical in overall length and height, but the G48 is significantly thinner at 1.1 inches wide versus the G19's 1.34 inches. That difference might sound small on paper, but it makes a real difference in how the gun rides against your body and whether it prints under a fitted shirt. The tradeoff is the G48's 10-round factory magazine versus the G19's 15-round standard, though aftermarket options like Shield Arms S15 metal magazines close that gap considerably.
Yes, this specific model (PA4850201FR) features the GLOCK Slim Mounting Rail on the frame, which is what the 'FR' designation in the part number indicates. It supports compatible compact weapon lights and lasers designed for Glock Slimline-format rails. Not all G48 variants include a rail, so if a light is important to you, make sure you're looking at the FR version.
nDLC stands for nano Diamond-Like Carbon, and it's a surface treatment applied at a near-molecular level that results in a hardness rating around 3,000 HV, which is roughly twice as hard as older Glock Tenifer/gas nitride finishes. It's extremely resistant to corrosion, abrasion, and the kind of moisture exposure that comes with regular IWB carry. The matte black appearance also cuts down on glare compared to the original silver nPVD finish.
The G48 and G43X share the exact same Slimline frame and take the same magazines, which is part of what makes both platforms so versatile. The key difference is that the G48 has a longer slide and barrel at 4.17 inches versus the G43X's 3.41 inches. That extra barrel length gives the G48 a longer sight radius, which most people find easier to shoot accurately at distance, plus slightly more velocity from defensive loads.
The factory magazines hold 10 rounds in a near-single-stack configuration. Shield Arms makes a widely used 15-round steel magazine (the S15) that fits the G48 and G43X without any frame modification. If you go that route, Shield Arms also recommends swapping to their steel magazine catch, since the polymer factory release can show wear with repeated use of the heavier steel mags.
It works very well for shooters with small to medium hands. The Slimline frame has a shorter trigger distance than standard Glock compact frames, which helps anyone who struggles to reach the trigger cleanly on a G19. The grip is narrow enough to wrap comfortably without feeling like you're holding a two-by-four, and the built-in beavertail allows a higher grip for better control. Many owners do add grip tape or a sleeve to get a bit more purchase on the smooth polymer surface.
| UPC | 764503039850 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | PA4850201FR |
| Action | |
| ATF Type | Pistol |
| Barrel Finish | Black |
| Barrel Length | 4.17" |
| Caliber/Gauge | 9mm |
| Capacity | 10 + 1 |
| Color | Black |
| Length | 10.7000 |
| Model | |
| Number of Magazines | 2 |
| Package Height | 2.48 |
| Package Width | 9.2 |
| Product Type | Striker Fired |
| Safety | Firing Pin/Trigger Block |
| Shipping Weight | 3.05 |
| Sights | Fixed |
| Sights Type | FIXED |
| Slide Description | Serrated |
| State Restriction (CA) | NO DIRECT SHIP TO CALIFORNIA |
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