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For a Kydex Glock 48 inside-the-waistband holster, remove the pistol, wipe away loose lint and grit, clean the shell with warm water and mild detergent, and let it dry completely. Keep heat and prolonged direct sunlight away from Kydex. Leather, synthetic materials, finishes, and hardware can require different care, so use the instructions for your exact holster. Clean and lubricate the Glock 48 separately according to its owner’s manual.

Clean the holster safely, one step at a time

  1. Unload and separate the firearm from the cleaning area. Remove the Glock 48 from the holster and follow safe firearm-handling practice. Do not bring a loaded firearm into the cleaning workflow.
  2. Remove loose debris. Check the inside of the holster for lint, dust, and grit. Wipe it with a soft, clean cloth; debris inside can abrade the firearm’s finish. Galco specifically recommends wiping out the interior, particularly after dusty use (Galco care instructions).
  3. Wash according to the holster maker’s directions. For Kydex, SWI specifies warm water and mild detergent, while C&G recommends a damp cloth and cool, soapy water for its Glock 48/MOS IWB Kydex product. These are product-specific examples, not interchangeable instructions for every holster (SWI instructions; C&G product care). Wipe or rinse away residue as directed by the maker.
  4. Dry it fully without heat. Use a clean cloth for moisture and allow the holster to air-dry completely. Dry metal hardware carefully to help prevent corrosion. Do not use a hair dryer, oven, radiator, hot dashboard, or other artificial heat source. Heat and prolonged direct sunlight can deform Kydex; Galco also cautions against excessive heat and sunlight for its products (SWI instructions; Galco care instructions).
  5. Check the holster before returning it to use. Once dry, look for visible cracks or warping and confirm that retention and mounting hardware appear secure. If something has shifted or loosened, use the holster maker’s model-specific adjustment guidance; there is no universal torque value established for all Glock 48 IWB holsters.

Adjust care to the holster’s material and construction

Kydex

Mild soap and water are suitable only where the holster’s maker permits them. Avoid solvents and corrosive chemicals unless the maker explicitly approves them. SWI’s care instructions call for mild detergent and complete drying; C&G’s G48/MOS page gives its own cool, soapy-water method. Follow the directions for the exact product rather than combining or generalizing instructions (SWI instructions; C&G product care).

Leather and synthetic holsters

Materials and finishes differ, so do not assume that a cleaning method safe for one holster is safe for another. Galco’s document advises soft- or damp-cloth cleaning, avoiding solvents and corrosive chemicals, and not machine-washing its synthetic or leather products. Those cautions describe Galco products, not every brand (Galco care instructions). The available maker guidance does not establish a universal leather-conditioning recipe. Use oils, conditioners, saddle soap, or soaking only if the specific holster maker recommends them.

Screws, clips, and other hardware

Dry metal parts carefully and inspect mounting and retention hardware after cleaning. Screw adjustment, thread-locker use, and tightening values vary by product; follow the holster maker’s directions rather than applying a generic setting.

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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.

How often should you clean the holster?

The care instructions cited here do not set a universal calendar schedule for holster cleaning. Inspect and wipe the interior when you notice lint or grit, and pay particular attention after dusty or sweaty carry. If the holster needs a deeper wash, use the maker’s material-specific method and dry it fully before use.

Clean the Glock 48 separately

Holster care is not firearm maintenance. GLOCK says to clean and lubricate its pistols before first firing, after each time fired, at least monthly if unused, and after exposure to rain, snow, perspiration, salt water, dirt, or dust. Those are GLOCK’s directions for the pistol, not a holster-cleaning schedule. Lubricant locations and amounts are model-specific: “Check the owner’s manual for your GLOCK model for where to apply lubricant and how much to apply.” See GLOCK’s Caring for Your GLOCK guidance and its downloadable manuals and maintenance materials, which list an owner’s manual for models G17–G48.

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.

Do not put firearm lubricant or the products used on the pistol onto the holster unless its maker says they are suitable.

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If the holster is damaged or no longer fits correctly

Visible cracks, warping, or hardware that will not remain secure are reasons to stop relying on the holster until the maker advises whether it can be repaired or should be replaced. If choosing a replacement, verify that its listing names the Glock 48 and matches the exact configuration, including whether it is intended for the G48 MOS. GLOCK lists a slim Sport/Combat holster for the G43, G43X, and G48, but it is not described as an IWB equivalent; check the official Sport/Combat holster listing against your carry needs.

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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
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.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.