- Handguns
- Glock
Glock 48 MOS Review
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
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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)
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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 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
- 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
- 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
- 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
