Best Sig M18 Holster

Peter | 26-12-2025

With so many Best Sig M18 Holster brands on the market – from big names like CYA Supply Co.,WARRIORLAND,CYTAC,MUNALO,OMITAC,Peminkoo to smaller companies – finding the right product can be a real challenge. But we’re here to make your search easier.

We carefully researched and tested a vast range of Best Sig M18 Holster to help you discover the top contenders that match different needs and preferences. Altogether, we spent over 100 hours evaluating numerous products first-hand.

Our #1 best Best Sig M18 Holster is CYA Supply Co. Best Sig M18 Holster, based on its stellar performance across all our tests. Below you’ll find more of our top-rated recommendations for great Best Sig M18 Holster options currently available. Make sure to check out our buying guide too – it’s full of expert advice for choosing a Best Sig M18 Holster tailored to exactly what you’re looking for. With our help guiding your decision, finding your perfect fit will be a breeze!

Editor's Choice
Sig P320 M18 Holsters, OWB Holster for Sig P320 M18 Carry 3.9
Sig P320 M18 Holsters, OWB Holster for Sig P320 M18 Carry 3.9" - Index Finger Released | Adjustable
Premium Pick
MUNALO IWB Holster Compatible with SIG Sauer P320-M18, P320 Compact and P320 XCompact – Concealed
MUNALO IWB Holster Compatible with SIG Sauer P320-M18, P320 Compact and P320 XCompact – Concealed
Budget Pick
CYA Supply Co. Base Optics Ready (Flat Dark Earth) Inside Waistband Holster Concealed Carry IWB
CYA Supply Co. Base Optics Ready (Flat Dark Earth) Inside Waistband Holster Concealed Carry IWB

Top 10 Best Sig M18 Holster

We researched and compared the top products in the Best Sig M18 Holster category to provide you with these recommendations.

1. CYA Supply Co. Base Optics Ready (Flat Dark Earth) Inside Waistband Holster Concealed Carry IWB

CYA Supply Co. Base Optics Ready (Flat Dark Earth) Inside Waistband Holster Concealed Carry IWB
9.1

Cya Supply Co.

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  • Optics Ready: Integrated optics cut accepts most sights, providing full freedom in your setup
  • Next Gen Materials: Boltaron polymer construction is superior to traditional, cheaper Kydex holsters in impact and temperature resistance, keeping your protection safe and ready to perform
  • All Day Comfort: Slim profile chassis weighs just a few ounces and minimizes printing. Full length sweat guard shields your weapon from incidental moisture
  • Perfect Fit: Custom molded for your firearm, ensuring a smooth draw and reholster, every time. Recessed design removes friction points, minimizing holster wear common to most holsters.
  • Superior Performance: Posi Click system delivers a satisfying "click", indicating your firearm is properly holstered. Adjustable retention pressure and cant (0-15 degrees) allows you to custom tailor the feel to your needs

2. WARRIORLAND OWB Kydex Holster Thumb Release & Optics Cut Fit: Sig P320 Compact M18 / P320 Full Size

WARRIORLAND OWB Kydex Holster Thumb Release & Optics Cut Fit: Sig P320 Compact M18 / P320 Full Size
8.9

Warriorland

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  • COMPATIBILITY - Compatible with Sig Sauer P320 Full Size/ Compact/ P320-M17/ P320-M18/ P320 XCarry/ P320 XFULL/ P320 AXG Combat/ P320 AXG Legion/ P320 X Five Legion(P320 x5 legion) / P320-XFive DH3 - Incompatible with any Laser/Light
  • THUMB LOCK & RELEASE - Thumb release provides you with a quick access - Level II retention prevent others except the wearer from drawing the locked pistol
  • POSI-CLICK AUDIBLE SYSTEM - You can hear a clear "CLICK" sound when firearm was firmly seated
  • OPTIC CUT & COMPENSATOR - This holster is designed to accommodate wide variety of optics/red dot and various compensators
  • HAND POLISHED EDGE & SMOOTH INNER STRACTURE - All WARRIORLAND holsters edge are polished by hand - Smooth inside structure ensure no scratch nor wear
  • 360 DEGREE ADJUSTABLE BELT CLIP - The belt clip fit 1.5 inch/1.75 inch/2.0 inch/2.25 inch wide belt - The belt clip is 360 degree adjustable for all carrying position
  • LIFETIME WARRANTY - ALL WARRIORLAND holsters possess lifetime warranty, if for any reason you are unsatisfied, please feel free to contact our 24/7 Customer Services, we stand behind the quality of our work.

3. Sig P320 M18 Holsters, OWB Holster for Sig P320 M18 Carry 3.9" - Index Finger Released | Adjustable

  • Compatible & Incompatible: Compatible with sig p320 m18 carry 3.9" barrel; Incompatible with sig p320 full size like sig p320 m17. The bottom of the holster has a lip to prevent longer barrel sticking out.
  • High Safety: Level II Retention. It will automatically lock on the trigger when you put the weapon in with no sound, but the internal design is great that multiple guide stripes make to retain the weapon better. Pull the weapon out quickly by pressing the button with your index finger.
  • Excellent Design: Upgraded military polymer material enhances the smoothness and thickness of the product for a better appearance and stronger. Hidden buttons keep your flat surface smooth and its skidproof stripe helps you recognize it through your sense of touch. The internal screw design can reduce the risk of falling off.
  • Paddle Attachment: 360 degrees tooth gear for omnidirectional rotation, more convenient to replace other accessories. Feel free to wear on Web Belts within 2 inches and Duty Belts. Add a silicone pad on the back to more comfortably when you carry into your pants directly.
  • Widely Used: Daily concealed carry under your coat, and extreme temperature tolerance. Suitable for different places like military, courser, shooting coach, law enforcement agencies or personal protection use. Great for civilians and off duty officers.

4. MUNALO IWB Holster Compatible with SIG Sauer P320-M18, P320 Compact and P320 XCompact – Concealed

  • Precision Fit: This IWB holster is designed for SIG Sauer P320-M18 and P320 Compact, ensuring a secure, snug fit. It also fits the P320 XCompact, leaving approximately 0.3 inches of space at the muzzle end. Not compatible with extended P320 variants (M17, Full-Size, XFull, XCarry, XFive, AXG, XTEN) or pistols with weapon lights
  • All-Day Comfort: Featuring foam-padded leather over a durable polymer shell, this hybrid holster ensures superior comfort for all-day wear. Say goodbye to the discomfort of hard plastic
  • Scratch Protection: With wear-resistant fabric lining inside the polymer shell, this P320-M18 holster protects your firearms finish and keeps it pristine for years
  • Optics Ready: Designed with an optics cut, this P320 Compact holster accommodates most sight systems, including red dot sights and suppressor-height sights, for maximum flexibility in your setup
  • Enhanced Concealment: This concealed carry holster includes an optional concealment claw, leveraging the grip of your firearm closer to your body, reducing printing for superior concealment
  • Customizable Fit: Pre-installed with a 1.5" metal belt clip and includes an additional 1.75" metal clip, offering adjustable ride height and cant for a smooth, consistent draw.

5. Sig P320 Holster Sig P320 M17 Holster Sig P320 M18 Gun Holster Taurus G3 Tactical Holster Autolock

  • Sig P320 Holster
  • Sig P320 M17 M18 Holster
  • Fits Sig Sauer P320,M17 and M18,Taurus G3
  • Smoothly rapid draw, target acquisition and re-holster
  • Solidly secures firearm, only releases by simply dragging the index finger
  • Automatic locking make sure handgun security when your gun is reholstered
  • Made of high density polymer
  • Strong,durable,and comfortable
  • Extreme temperature tolerance
  • It can be adjusted to your most comfortable angle easily

6. Peminkoo Tactical P320 Holster MK-17/18 Series Hunting Military Combat Pistol Holster Adapted Q.LS

Peminkoo Tactical P320 Holster MK-17/18 Series Hunting Military Combat Pistol Holster Adapted Q.LS
8.5

Peminkoo

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  • Double SafetyThis holster is equipment with 2 layers of safety,The first layer of safety can prevent the pistol from being robbed.And the second layer of safety can prevent the gun from being pulled out.
  • Angle AdjustmentUsers can fine-tune the holster angle according to their own habits.
  • Q.LS Quick Release SystemEquipped with Q.LS System adapter base assembly to facilitate users to install or remove the holster.
  • Replace BaseReplace the G-type adapter base and the holster on the R.TI Duty mount (Need to purchase additional accessories).
  • Adaptable BeltThe build T-lN Duty mount plates is suitable for 2.25 inch waist belts,And users can use leggines to secure the holster more firmly.

7. Kenai Chest Holster for a SIG - MAS Grey/Coyote (Model - M18, Right)

Kenai Chest Holster for a SIG - MAS Grey/Coyote (Model - M18, Right)
8.3

Gunfightersinc

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  • Designed for hiking, backpacking, hunting, fishing, and any other outdoor activities.
  • Harness is designed for all day comfort.
  • The buckles are strategically located to be out of way of pack straps and minimize any rub spots.
  • Its adjustable for most body types and can be worn low or high on the chest.
  • Handcrafted in USA.

8. WARRIORLAND Kydex IWB Holster Fits Sig P320 Full Size / M17 / P320 Compact / M18 / Xcarry, Inside

WARRIORLAND Kydex IWB Holster Fits Sig P320 Full Size / M17 / P320 Compact / M18 / Xcarry, Inside
8

Warriorland

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  • COMPATIBILITY: This IWB holster designed exclusively for Sig P320 Full Size / P320 M17 / P320 Compact / P320 M18 / P320 Xcarry. (Note: Not compatible with light/laser attachments)
  • OPTICS READY & OPEN MUZZLE: With an open muzzle design, you are free to carry with a threaded barrel or muzzle device. The integrated optics cut accepts most sights, providing full freedom in your setup.
  • REMOVABLE CLAW: Use the claw device to twist the grip into your body, greatly reducing imprinting, and thus concealed carry. If you don't want to use the claw, the claw is removable, you can use the package comes with extra screws for clawless use.
  • US .08" KYDEX GUN HOLSTER: Crafted from .08" KYDEX, holsters made of this material are lightweight, durable, sweat-proof, water-resistant, and washable. Custom molded for your gun, ensuring a smooth draw and reholster, every time.
  • SWEAT SHIELD & FULL COVERAGE TRIGGER PROTECTION: The extended length of the inner panel of the holster effectively avoids metal corrosion on the surface of the firearm caused by perspiration due to prolonged wear. This holster features full trigger coverage, which not only prevents your firearm from scratches but also prevents friction and shaking.
  • POSI CLICK SYSTEM: Deliver a satisfying "click", indicating your firearm is properly holstered. The edges and interior of the holster are hand-polished and smooth, making it comfortable to wear without scratching your hands & pistol.
  • LIFETIME WARRANTY: ALL WARRIORLAND holsters possess lifetime warranty, if for any reason you are unsatisfied, please feel free to contact our 24/7 Customer Services, we stand behind the quality of our work!

9. CYA Supply Co. Base IWB Concealed Carry Holster Veteran Owned Made in USA - Fits Sig Sauer P320

CYA Supply Co. Base IWB Concealed Carry Holster Veteran Owned Made in USA - Fits Sig Sauer P320
8

Cya Supply Co.

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  • Fits Sig Sauer P320 Compact/Carry & M18 (Optic Not Compatible) - No Light/Laser 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.

10. Sig Sauer P320-M18 Adjustable OWB BlackPoint Durable Lightweight Tactical Right-Handed Concealed

Sig Sauer P320-M18 Adjustable OWB BlackPoint Durable Lightweight Tactical Right-Handed Concealed
8.5

Sig Sauer

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  • HIGH-QUALITY HOLSTER - This exclusive P320-M18 premium OWB BlackPoint tactical holster from SIG SAUER has been designed as a concealed carry hip holster that offers excellent comfort and durability; Configured to be used with or without a slide-mounted optic installed
  • FUNCTIONAL DESIGN - This holster features a tensioning screw below the trigger guard so the user may adjust the pistol retention tension as they see fit; A low-profile sweat shield lays comfortably against the user to protect both the gun and the user
  • LIGHTWEIGHT & DURABLE - The P320-M18 OWB BlackPoint Tactical holster is created with thermal plastic materials for a lightweight holster while providing excellent scuff and weather resistance; A neutral cant offers fast access and easy reholstering
  • COMFORTABLE CONCEALED CARRY- Easy to concealed carry; This right-handed concealed carry holster is designed for tactical training, hunting, military, the range, law enforcement agencies, personal defense, daily carry, and concealed carry of any kind
  • SIG SAUER - In our world-class facilities, we build the toughest, most precise rifles, pistols, optics, suppressors, ammunition, airguns, holsters, and various accessories, while offering the finest gun training - all as a fully integrated system

Peter

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