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Glock 19 Gen 4 vs Glock 48 MOS

Glock 19 Gen 4	Glock 48 MOS

Category
Handguns	Handguns
Brand
Glock	Glock
Price
$450 – $650	$485 - $540
Description
The Glock 19 Gen 4 is a compact and highly respected 9mm pistol known for its balance of firepower, accuracy, and manageable size. Designed for versatile use, it delivers quick handling without sacrificing magazine capacity.	The Glock 48 MOS is a slimline 9mm pistol from Glock's Slimline series that pairs a G19-equivalent barrel length with a single-stack slim frame and factory-integrated Modular Optic System (MOS) and accessory rail — delivering the ideal balance of concealability, shootability, and tactical readiness for everyday carry.
Specifications
Caliber: 9 mm Luger System: Safe Action® System Magazine Capacity: Standard: 15 rounds Optional: 17 / 19 / 24 / 31 / 33 / 10 rounds Barrel Length: 102 mm (4.02 in) Trigger Pull: 28 N Weight: Without magazine: 600 g (21.16 oz) With empty magazine: 670 g (23.63 oz) With loaded magazine: 855 g (30.16 oz) Overall Length: 185 mm (7.28 in) Slide Length: 174 mm (6.85 in) Overall Width: 32 mm (1.26 in) Height (incl. magazine): 128 mm (5.04 in) Frame Material: Polymer frame Grip System: Modular Beavertail Backstrap System	Caliber: 9 mm Luger System: Safe Action® System Magazine Capacity: Standard: 10 rounds Barrel Length: 106 mm (4.17 in) Overall Length: 185 mm (7.28 in) Overall Width: 28 mm (1.10 in) Height (incl. magazine): 128 mm (5.04 in) Trigger Pull: ~5.5 lbs Trigger Reach: 67 mm (2.64 in) Weight: Without magazine: 18.3 oz With loaded magazine: 24.97 oz Frame Material: Polymer with Glock Slim Mounting Rail Finish: nDLC hard-surface coating Barrel: Glock Marksman Barrel (GMB) with polygonal rifling Optics: MOS cut for Shield RMSc / micro red dot footprint (Holosun 407K/507K, Swampfox Sentinel, SIG Romeo Zero) Sights: Fixed white dot front and rear (standard) Serrations: Front and rear cocking serrations
Pros
Compact and versatile design suitable for carry and home defense Strong magazine capacity for a mid-size handgun Customizable grip fit with modular backstrap system Reversible magazine catch supports left- and right-handed shooters Reliable Safe Action System with consistent trigger operation Widely supported aftermarket for upgrades, holsters, and magazines Proven Glock durability and dependability	Exceptional concealability — G19-length but only 1.1 inches wide for all-day IWB carry Factory MOS optics cut for direct micro red dot mounting without custom milling Integrated Slim Rail for attaching compact weapon lights and lasers Glock Marksman Barrel (GMB) delivers Gen5-level accuracy in a slim profile Built-in beavertail for a high, secure grip and better recoil management Durable nDLC finish provides superior corrosion and scratch resistance Longer 4.17-inch barrel offers better sight radius and more muzzle velocity than the G43X Compatible with Shield Arms S15 magazines for 15-round capacity upgrade Proven Glock reliability — runs virtually any 9mm ammo without failure Extensive aftermarket ecosystem for triggers, sights, lights, and holsters
Cons
Discontinued model, so new units may be harder to find Slightly heavier trigger pull than Gen 5 Lacks some Gen 5 improvements like front serrations and Marksman Barrel Factory sights may feel basic for advanced shooters	Standard 10-round single-stack capacity; requires aftermarket Shield Arms mags for competitive capacity MOS cut limited to Shield RMSc footprint; larger RMR-sized dots require slide milling or adapter plates Non-standard rail width — requires MOS-specific holsters; incompatible with standard G48 holsters More recoil and muzzle flip than the G19 due to lighter, slimmer frame Factory sights are basic plastic; most users upgrade to night sights or fiber optics Optics adapter plates not included in the box — must be purchased separately
Best For
Concealed carry users wanting a trusted compact 9mm Home defense with strong capacity and reliability Collectors and Glock enthusiasts looking for a classic generation Left-handed shooters needing reversible controls Range practice and training with widely available magazine options	Everyday concealed carry (IWB / AIWB) — ideal for slimmer body types or tight clothing Shooters who want a red dot-ready carry gun in a slim single-stack platform Those transitioning from the G19 who need better concealability without sacrificing barrel length Home defense where comfort and slim profile are priorities New and experienced shooters seeking a reliable, optic-ready carry pistol
Accessories
Extended magazines (up to 33 rounds optional) Holsters (IWB, OWB, duty-compatible options) Night sights or steel sight upgrades Grip enhancements using included beavertail backstraps Weapon-mounted lights & lasers (rail-compatible models) Aftermarket trigger connectors and upgrades Magazine loaders and extensions	Micro red dots — Shield RMS/SMS, Holosun 407K / 507K X2, Swampfox Sentinel, SIG Romeo Zero (direct MOS mount) Compact weapon lights — Streamlight TLR-7 Sub, Olight PL Mini 2 Valkyrie (Slim Rail compatible) IWB/AIWB holsters — PHLster, Vedder LightTuck, Alien Gear, Clinger Holsters (G48 MOS specific) Extended magazines — Shield Arms S15 15-round steel magazines and +5 base plates Night sights and suppressor-height irons — AmeriGlo, Trijicon HD Grip enhancements — TALON Grips, Goon Tape, or stippling for improved traction Aftermarket triggers — Apex Tactical, Overwatch Precision TAC for improved pull and reset

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