Guide

GLOCK 43X M.O.S. Custom Disco Anime Cerakote (Shark Coast Tactical): Optics-Ready Slimline 9mm for Everyday Carry

GLOCK 43X M.O.S. Custom Disco Anime Cerakote (Shark Coast Tactical): Optics-Ready Slimline 9mm for EDC

Introduction

If you want a truly carry-friendly 9mm that doesn’t compromise on modern capability, the GLOCK 43X M.O.S. is one of the most practical “do-it-all” slimline pistols available. It blends GLOCK’s proven striker-fired operating system with a narrow profile, a 10+1 capacity, and a factory optic-ready slide designed for micro red dots—making it a strong choice for concealed carry, home defense, and range training.

This particular configuration takes the concept a step further: the GLOCK 43X M.O.S. Custom Disco Anime Cerakote (Shark Coast Tactical) pairs the core 43X MOS platform with a bold, high-visibility custom Cerakote finish (black, cyan, purple, pink, and white) for shooters who want their everyday carry to be as distinctive as it is capable. It ships with two magazines, giving you an immediate spare for carry rotation and training.

Pricing/availability note: The provided product context lists price/MSRP as 0, and current market pricing varies widely by finish and builder. Treat this as a configuration-focused guide and confirm final price and inventory through your preferred dealer’s checkout/quote process.

Key Features and Specifications

Core platform: slimline, striker-fired, 9mm

  • Action: Striker-fired for consistent trigger behavior shot-to-shot (typical of GLOCK’s Safe Action system).
  • Caliber: 9x19mm.
  • Barrel length: 3.41 inches.
  • Capacity: 10+1 (10-round magazine plus one chambered).
  • Frame: GLOCK polymer frame—lightweight, corrosion-resistant, and proven in hard use.
  • Included magazines: 2.

M.O.S. (Modular Optic System) on the Slimline series

The big functional advantage of this model is that it’s optic-ready from the factory. GLOCK introduced the optic-ready Slimline models (including the 43X and 48) as MOS variants to support micro red dots without requiring slide milling. (us.glock.com)

Important fitment detail for buyers: the Slimline MOS cut is not the same as the full-size/double-stack GLOCK MOS plate system. The Slimline MOS cut is designed around the Shield RMSc pattern, so you’ll generally be shopping RMSc-footprint optics or the correct slimline-compatible adapter solution depending on the optic you choose. (us.glock.com)

Custom Cerakote by Shark Coast Tactical

This model’s standout feature is aesthetic and practical:

  • Custom Disco Anime Cerakote (Shark Coast Tactical): a multi-color palette (black, cyan, purple, pink, white).
  • Real-world benefit: Cerakote is commonly chosen because it adds a durable protective finish; it can also make a pistol easier to visually confirm/identify among similar firearms.

Note: Custom finishes can be “love-it-or-not,” but they’re not merely cosmetic for every owner—some users prioritize high visibility for fast identification, training motivation, or a distinct personal style while keeping a proven defensive platform.

Sights and carry readiness

  • Sights: Fixed sights (per product context). Many users keep factory-style irons as backups even after adding a dot; the Slimline MOS concept also supports co-witnessing in many setups with appropriate optic/height choices.

Practical Applications

Concealed carry (primary use case)

The GLOCK 43X M.O.S. is purpose-built for discreet daily carry:

  • Slim profile reduces printing and improves comfort in appendix, strong-side IWB, or minimalist belt setups.
  • 10+1 capacity balances concealability with real defensive capability.
  • Optics-ready slide lets you add a micro red dot to improve target focus and speed—especially for shooters who prefer “target focus” aiming rather than shifting focal planes to front sights.

Defensive training and skill building

A compact pistol that you actually carry should also be one you can train with effectively:

  • 9mm keeps ammunition recoil manageable for most shooters.
  • The consistent striker-fired trigger press supports repeatable fundamentals.
  • An optic (when properly installed and trained) can help you diagnose trigger and grip errors faster because the dot gives immediate feedback.

Home defense / nightstand role

While a larger handgun can be easier to shoot, a carry gun that’s always present is often the one you’ll have when it matters. The GLOCK 43X M.O.S. can transition well into a home-defense role—particularly if paired with a quality optic and a disciplined safe-storage plan.

Expert Analysis

Why the 43X MOS format is so popular

From an end-user perspective, the 43X MOS hits a sweet spot:

  • It’s slim enough to carry like a true subcompact.
  • It’s large enough to shoot more confidently than many ultra-micro pistols.
  • MOS capability keeps the platform current as red dots become more common on carry pistols.

GLOCK’s own materials and announcements around the slimline MOS emphasize the micro-optic-ready slide concept and the RMSc-type micro optic compatibility. (us.glock.com)

Optic compatibility: what to watch for

Because the Slimline MOS uses an RMSc-pattern interface, you should treat optic selection as part of your purchase plan:

  • Direct-mount RMSc-pattern optics are usually the simplest path.
  • Other footprints may require the correct slimline-specific plate/adapter.

Also pay attention to screw length and proper installation—incorrect screw length can create reliability issues (a known pain point across many optics-ready pistols), so installation should be done carefully to manufacturer specs.

Custom build considerations (Cerakote models)

A high-quality custom Cerakote can be a positive, but keep these realities in mind:

  • Holster fit: Certain heavy coatings can slightly change surface friction. Most quality holsters still work fine, but it’s smart to test draw/reholster and retention.
  • Wear patterns: Expect normal contact wear in high-friction areas (muzzle, slide corners) with daily carry—this is cosmetic and normal.
  • Resale and taste: Custom themes are personal; buy it because you want it.

Who this model is ideal for

Choose the GLOCK 43X M.O.S. Custom Disco Anime Cerakote (Shark Coast Tactical) if you:

  • want a slim, carry-optimized 9mm with factory optics readiness,
  • prefer a pistol that is distinctive (and easy to identify),
  • want a platform with broad accessory/holster support typical of the 43X ecosystem.

Conclusion

The GLOCK 43X M.O.S. Custom Disco Anime Cerakote (Shark Coast Tactical) combines a highly practical concealed-carry format—3.41" barrel, 10+1 capacity, slim polymer frame—with the modern advantage of a factory optic-ready Slimline MOS slide and an eye-catching custom finish.

If your goal is an everyday-carry handgun that remains compact, supports micro red dots, and stands out visually without sacrificing core reliability-oriented design, this configuration is an excellent fit. Confirm optic footprint compatibility before you buy your dot, install it correctly, and you’ll have a carry pistol that’s both functional and uniquely yours.

Sources

GLOCK, Inc. “GLOCK Introduces Optic Ready Slimline Models G43X and G48.” GLOCK (US). August 24, 2020. https://us.glock.com/en/press-release/news-page/glock-introduces-optic-ready-slimline-models-g43x-and-g48

GLOCK, Inc. “GLOCK Optic Ready System (Optic Mounting).” GLOCK (US). (Accessed July 24, 2026). https://us.glock.com/en/about/technology/optic-mounting

GLOCK, Inc. “2022 Buyer’s Guide (Future of MOS).” GLOCK (US). (PDF; accessed July 24, 2026). https://us.glock.com/-/media/Global/US/old/US-Site/83-Downloadable-Materials/2022/GLOCK_BG_2022_FINAL_Combined_LoRes.ashx

NIOA. “GLOCK 43X & GLOCK 48 MOS Info Flyer (08/2020).” NIOA (PDF; accessed July 24, 2026). https://defence.nioa.com.au/uploads/documents/Glock/G43X_G48_MOS_Info-Flyer_082020.pdf