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Glock 45 vs Glock 48 MOS

Glock 45	Glock 48 MOS

Category
Handguns	Handguns
Brand
Glock	Glock
Price
$599 - $699	$485 - $540
Description
The Glock 45 is a compact crossover Gen5 pistol that pairs a full-size G17 frame with a compact G19-length slide, delivering 17+1 round capacity, superior controllability, and the latest Gen5 enhancements — purpose-built for law enforcement, duty carry, and home defense.	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: 9x19mm (9mm Luger) capacity: 17 rounds (standard); 19, 24, 31, 33 optional barrel_length: 102 mm \| 4.02\" overall_length: 174 mm \| 6.85\" height: 139 mm \| 5.47\" width: 32 mm \| 1.26\" weight_unloaded: 21.73 oz (without magazine) weight_loaded: 30.34 oz (with loaded magazine) action: Safe Action® (Striker-Fired) frame: Polymer with Picatinny rail and flared magwell finish: nDLC coated black slide and barrel sights: Fixed white dot front and rear (standard)" grip: Full-size G17 frame, no finger grooves, modular beavertail backstrap system barrel: GLOCK Marksman Barrel (GMB) trigger_pull: ~5.5 lbs slide_stop: Ambidextrous magazine_catch: Reversible and enlarged	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
Exceptional reliability — thousands of rounds without malfunction reported by users Full-size G17 grip offers outstanding control and 17+1 round capacity Compact G19 slide aids maneuverability and reduces muzzle flip Gen5 GLOCK Marksman Barrel (GMB) delivers improved accuracy Flared magwell enables faster, more reliable magazine changes nDLC finish provides superior corrosion and scratch resistance Ambidextrous slide stop and reversible magazine catch for left-handed shooters Extensive aftermarket ecosystem — sights, triggers, lights, holsters Modular beavertail backstrap system fits a wide range of hand sizes Compatible with G19 holsters for broad carry options	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
Full-size grip makes it harder to conceal than the G19 or Slimline models Available only in 9mm — no caliber options Standard factory sights are basic; most users upgrade to night sights or a red dot No manual safety — relies entirely on the Safe Action® System Higher price point compared to some similarly sized competitors Polymer frame may not appeal to those preferring metal-framed pistols	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
Law enforcement and duty carry Home defense — high capacity and full-size grip for better control Competitive shooting and range use Shooters with larger hands who find the G19 grip too short Those transitioning from the G17 who want a more maneuverable slide	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
Weapon Lights: Streamlight TLR-7A, Surefire X300U, Olight PL-Pro Valkyrie — compatible with the Picatinny rail. Red Dot Optics (MOS variant): Holosun 507C, Trijicon RMR, Leupold DeltaPoint Pro — via the G45 MOS optics adapter plate system. Night Sights: AmeriGlo, Trijicon HD, Night Fision — popular drop-in upgrades over the factory sights. IWB/OWB Holsters: Compatible with most G19 Gen5 holsters; also supported by Safariland, Alien Gear, Vedder, and Blackhawk. Extended Magazines: Glock OEM 19-round and 24-round magazines; aftermarket options from Magpul GL9. Trigger Upgrades: Apex Tactical, Overwatch Precision TAC trigger for improved pull weight and reset. Cleaning & Maintenance: GLOCK OEM cleaning kit included; Hoppe's No. 9 and FrogLube CLP recommended for routine maintenance.	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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