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Start by confirming that the holster is made for your exact Glock 48 setup; then adjust only the retention, ride-height, or cant features that its maker provides. Glock 48 and 48 MOS fit, accessory clearance, and adjustment ranges vary by holster, so there is no universal screw setting or angle that guarantees a secure, comfortable fit.

Confirm the holster fits your exact Glock 48

Before changing hardware, check the holster maker’s current fit list for the pistol variant and any attached accessories. A listing may distinguish the Glock 48 from the Glock 48 MOS, and a holster designed for one configuration may not clear another setup.

For example, Four Brothers’ Glock 48 IWB holster listing specifies fit for the G48 and G48 MOS, but excludes weapon-mounted lights and lasers and some extended or threaded barrels. Those are that product’s limits, not a rule for all G48 holsters.

Check clearance for sights and any other configuration details the maker identifies, as well as the belt attachment options. If your exact pistol and accessory combination is not listed, ask the manufacturer rather than assuming it will fit.

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#1 Best Overall
G48 IWB Holster Right Hand for Glock 48/MOS w/Rail/G43X MOS Pistol Holster
  • 【Full Cover Trigger, No Scratch, No Jitter】 The holsters for Glock Models 48 Silver/Black/G48 MOS w/Rail/G43X MOS full covering all access to the trigger,securely retained with minimal drag,which can avoid all possible accidents. Rounded, Hand Finished Edges,adds to a layer of comfort without digging into the body or thigh,he trigger guard is intentionally undercut to promote a higher grip on the and allow for magazine release while the firearm is fully holstered.
  • 【FIT LIKE A GLOVE WITH AN AUDIBLE CLICK】Thanks to the Adjustable Retention Screw, you can dial in perfection with a Phillips Screwdriver. The inherent positive retention “positive click SNAP”sound,ensures the firearm is secure when holstered.
  • 【Adjustable Cant & Retention Pressure】The cant settings are easily adjustable from 0 to 30 degrees. Be it appendix, strong-side, kidney carry, it allows for a perfect grip on the for Glock Models 48/48 MOS/43X MOS.
  • 【1.5’’ Belt Fit Perfect】 IWB holster belt clip is suitable for 1.5’’ belt, with hook in buttom, it stick firmly in your belt when drawing and holding.
  • IWB/OWB Mag Carrier is compatible fits virtually every 9mm/.357 Sig/.40 Double/Stack and Staggered Stack Magazine,Including but not limited to for Glock models 17,19,19x,22,23,25,26,27,28,31,32,33,34,35,37,38,39, 43x,43X MOS,48,48 MOS,for Sig P320/P365/P365 SAS/P365 SAS w/P365X/XL,for S&W M&P Compact, for S&W M&P M2.0/PLUS,for CZ P07/P10C,for H&K VP9/VP40/VP9SK,for Springfield armory XD/MOD.2/XDM/HELLCAT,for Taurus PT111 G2/G2C/G3C etc.

Know what each adjustment changes

Holsters do not all offer the same controls. Identify the features on your specific model and use its instructions; do not transfer a setting or adjustment method from a different holster.

Adjustment What it changes What to verify
Retention How tightly the holster holds the pistol and the tension during the draw. Whether the model has adjustable retention hardware and how its maker directs you to change it.
Ride height The holster’s vertical position. Whether the clip or attachment position can be changed and which positions are supported.
Cant The holster’s angle. Whether the attachment hardware allows an angle change and what range the maker specifies.
Claw or wing An optional feature some holsters use to change how the holster sits against the body. Whether your model includes or supports one, and its installation instructions.

For model-specific examples, Rounded Gear’s G48 holster page and the Four Brothers listing describe their own holster features. Treat maker descriptions as specifications, not as evidence that one design will be more comfortable than another.

Rank #2
G48/G48 MOS Holster with Holster Comfort Foam Pad, IWB Holster for 9mm Glock 48/48 MOS Optics, Kydex Leather Hybrid Holster for Inside Waistband Concealed Carry, Right Hand, Black
  • 【COMPATIBILITY】MEIGON kydex & leather & foam padded backer hybrid holster, a premium concealed carry solution designed specifically holster for the Glock 48/ G48 MOS and G48 Rail.
  • 【OPTICS READY】Optic cut designed allowing compatible w/ most of red dot in market, providing you with the utmost flexibility in your setup.
  • 【COMFORT CARRY】MEIGON hybrid holster combines the durability of Kydex with the comfort of leather and buffer of foam padded, use foam padded design in backing, ensuring a secure and comfortable carry experience and resolve the discomfort of hard plastics and printing in carrying, fit all-day wear.
  • 【SAFETY - TIGGER GUARD】The kydex (0.08") trigger guard design provides complete coverage of the trigger effectively accidental finger insertion preventing any potential accidents.The full-length guard design can effectively prevent the gun from coming into contact with the skin.
  • 【ADJ. CANT & Ride Height】The clip was -25° to 25° degrees of angle adjustment designed.The adjustable cant and ride height allowing you to change fit and draw to your style to conceal and smooth draw firearm.

Adjust it safely and in small, deliberate steps

  1. Read both makers’ instructions. Use the current instructions for the holster and consult GLOCK’s official downloadable materials for the G17–G48 owner’s manual.
  2. Follow firearm safety rules while handling the pistol. GLOCK’s firearm safety FAQ says: “TREAT EVERY FIREARM AS IF IT IS LOADED,” “ALWAYS KEEP THE FIREARM POINTED IN A SAFE DIRECTION,” and “KEEP YOUR FINGER OFF THE TRIGGER AND OUTSIDE THE GUN’S TRIGGER GUARD UNTIL THE GUN IS POINTED AT THE TARGET AND YOU HAVE DECIDED TO FIRE.” Follow the firearm and holster makers’ directions for any handling involved in adjustment.
  3. Identify supported adjustments. Check whether your holster has retention screws, repositionable clips for ride height or cant, or an optional claw or wing. Do not loosen, move, or add hardware unless the maker says it is adjustable.
  4. Make changes as directed by the holster maker. Reassess the fit after each change. The reviewed official sources do not set a universal screw torque, cant angle, or retention force, so do not substitute an invented target for the model’s instructions.
  5. Stop if the setup does not fit. If the holster cannot accommodate your exact pistol or accessories, stop relying on that combination and contact its manufacturer about compatibility.
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Choose by compatibility and adjustability, not a promised comfort ranking

When comparing a Glock 48 IWB holster, check its exact G48 or G48 MOS fit, stated sight and accessory clearance, adjustable retention, ride-height and cant options, and belt attachments. For example, GLOCK’s EU product page lists a slim Sport/Combat holster for the G43, G43X, and G48; that is distinct from third-party IWB models with their own fit limits and adjustment features.

These specifications help you determine whether a holster supports your setup and preferred adjustments. They do not establish a proven comfort ranking, and comfort remains personal. GLOCK also states that it does not recommend aftermarket accessories; consult its official owner resources for pistol information.

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Best Value
Amberide Kydex IWB Holster for Glock Series Handguns
  • Right Hand Optic Ready: Exact-fit for Glock 48 & G48 MOS. Features a dedicated cut to easily accommodate your red dot sights.
  • Waterproof Sweat Guard: 100% waterproof Kydex completely blocks moisture, shielding your firearm from corrosive body sweat.
  • Secure Trigger Safety: Full guard coverage prevents snags. The audible Posi-Click retention ensures your weapon locks in safely.
  • Zero Printing & Adjustable: The ultra-slim profile hides easily under clothing. Adjust the cant (0-15 degrees) for your perfect draw.
  • Made in USA & 24H Support: Proudly manufactured in the United States for daily durability, backed by our 24-hour customer service team.
Rank #4
DeSantis Slim-Tuk IWB Holster - Fits Glock 48 & More - Ambidextrous, Black
  • CONCEAL CARRY IWB HOLSTER - DeSantis Slim-Tuk is an ambidextrous IWB holster hand-constructed in the USA. It is made to fit the GLOCK 48 and the GLOCK 48 MOS with or without Red Dot Sight
  • ADJUSTABLE CLIP - The Desantis Slim-Tuk Holster is designed with a tuck-able 360 C-Clip, which adjusts to allow the wearer flexible mounting options while ensuring the firearm stays securely in place
  • DISCREET & AMBIDEXTROUS - We made our IWB holster for concealed carry with a sleek design so that it's virtually unnoticeable. Plus, it's ambidextrous, so it works with either the left or right hand
  • AUDIBLE CLICK WHEN HOLSTERED - As an enhanced safety measure, our gun holster for men and women makes an audible click when the gun is properly holstered
  • FAMILY-OWNED, AMERICAN-MADE - DeSantis is a family-run company revolutionizing the concealed carry industry for over 50 years. Trusted by Law Enforcement & the Military, we only manufacture in the USA
Rank #3
Sale
CYA Supply Co Base IWB Holster, Black, Veteran Owned, Made in USA, No Optic
  • Fits Glock 48 / Fits Glock 48 MOS (Optic Not Compatible) - No Light/Laser/Compensator Attachments
  • IWB Holster - Inside The Waistband - Easily Adjustable Retention Pressure & Carry Angle (Cant) 0-15 Degrees
  • Precision molds from CAD milled in house on our CNC. Made of .08" Thickness Boltaron Material - Belt Clip 1.5" wide - All Stainless Steel Black Powder Coat Hardware
  • Posi-Click' Audible Retention Lock System - Sweat Guard covers full length of slide
  • Made in USA - WE STAND BY OUR QUALITY: 100% Satisfaction Guarantee, No questions asked return policy, and Lifetime Warranty covering every piece of the holster — body, hardware, and belt clip.

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