Glock 43X 9mm 10rd Robin’s Egg Blue Cerakote
Video review
Expert review
About this product
What is the Glock 43X 9mm 10rd Robin’s Egg Blue Cerakote? This is Ironclad Armory's customized Glock 43X, a 9mm single-stack striker-fired pistol built for daily concealed carry, now featuring a durable, custom-applied Robin’s Egg Blue Cerakote finish from Shark Coast Tactical. The core platform retains the Gen5 ergonomics and reliability that made the 43X a benchmark, but the custom Cerakote process adds a distinct visual profile and an extra layer of corrosion resistance measured at 500+ hours in neutral salt spray testing per ASTM B117.
What is the Glock 43X used for?
It is designed for everyday concealed carry and personal defense. The 3.41-inch barrel and Slimline polymer frame create a profile that's 1.10 inches wide at its slide, making it far easier to conceal for an 8-10 hour day than a double-stack duty pistol. The 10-round magazine capacity provides a practical balance between on-body comfort and the firepower needed for most civilian defensive scenarios, which typically involve fewer than 3 rounds discharged according to FBI UCR data.
How does the Glock 43X compare to the Sig Sauer P365?
The Glock 43X offers a longer grip and a more consistent trigger press, measured at a 5.5-pound pull weight with a 0.5-inch reset, while the P365 is better at maximizing capacity in a smaller footprint. The 43X uses a 10-round single-stack magazine, whereas the standard P365 accepts a 10-round flush-fit magazine but can use 12 or 15-round extended mags in a grip module that remains shorter. For shooters prioritizing a full, three-finger grip for control or those with larger hands, the 43X is the superior platform, even with the capacity trade-off.
What does it weigh and what are the dimensions?
The pistol weighs 18.7 ounces unloaded and measures 6.5 inches in overall length, 5.04 inches in height with the magazine inserted, and 1.10 inches in width. Its loaded weight with 10 rounds of standard 115-grain FMJ is right at 23 ounces, which keeps it under the 25-ounce threshold many consider ideal for all-day ankle or appendix carry. For perspective, this makes it 2.3 ounces heavier than the standard Glock 43 but provides a full grip.
Who is this NOT for?
This is not for a competitive shooter or someone seeking a high-capacity home defense primary. The 10+1 capacity is limiting for USPSA Carry Optics divisions where 20+ round magazines are standard, and the 3.41-inch barrel sacrifices ballistic performance compared to a full-size Stevens 334 Rifle or duty pistol. It's also a poor choice for anyone who dislikes the stock Glock trigger mechanics, as this model uses the same standard Safe Action system without an adjustable trigger shoe.
What's in the box?
You receive the complete pistol, two 10-round OEM Glock magazines, a cable lock, the standard Glock hard case, and the owner's manual. Unlike some custom shop offerings, this package does not include additional base plates, a cleaning kit, or a performance trigger spring kit. The Cerakote finish is applied prior to assembly, so the internal components and slide rails retain their factory lubrication and are ready for a 200-round function-fire test, which I recommend before carry.
Is the Glock 43X worth it at $588.99?
Yes, for the buyer who wants a turn-key, visually distinct carry gun from a reputable custom applicator. The premium over a standard black 43X (typically $480-$520) directly pays for the multi-layer Cerakote application, which involves media blasting, oven curing, and precision masking—a process that would cost $150-$225 if done separately. If you view a firearm as purely a tool and plan to immediately replace the sights, like you might on a field Stevens 555 Sporting O/U, then the standard model is the better value.
Specs at a glance
Pros & cons
What works
- Durable Robin’s Egg Blue Cerakote adds corrosion resistance rated for 500+ hours salt spray.
- Weighs 18.7 oz unloaded — 4.3 oz lighter than a comparable Sig Sauer P320 Compact.
- Slimline frame measures 1.10" wide for superior concealment over 8-10 hour carry periods.
- Includes two 10-round OEM magazines for immediate range qualification and carry rotation.
Trade-offs
- Fixed OEM Glock sights — a $70-$120 upgrade to night sights is highly recommended for defensive use.
- 10-round magazine capacity is limiting compared to micro-compacts like the Sig P365 or Springfield Hellcat.
- Standard Glock trigger with a 5.5-lb pull — lacks the crisp break of an aftermarket Apex or Johnny Glock trigger system.
Key attributes
| upc | 810105513981 |
| manufacturer | GLOCK |
| manufacturer part number | UX4350204FRN |
| product type | Striker Fired |
| sights | Fixed Sights |
| model | 43X |
| action | Semi-Auto |
| barrel length | 3.41" |
| caliber/gauge | 9mm |
| capacity | 10 |
| color | Blue |
Frequently asked questions
- Is it compatible with Glock 43 magazines?
- No, it is not compatible with standard Glock 43 magazines. The Glock 43X uses a specifically designed 10-round single-stack magazine that is approximately 0.5 inches longer to accommodate the longer grip frame. The magazine catch is also in a different position, preventing interchangeability.
- What holsters fit this model?
- It fits any holster molded for a standard Glock 43X, as the Cerakote finish does not alter the critical dimensions of the slide or trigger guard. I recommend checking compatibility with manufacturers like Tulster, Vedder, or Tier 1 Concealed. The 1.10-inch slide width is the key spec for Kydex holster fitment.
- Does this work with Shield Arms S15 magazines?
- Yes, but with a critical caveat. The Shield Arms S15 metal magazine is designed to increase capacity to 15 rounds in the 43X frame. However, using it requires replacing the polymer magazine catch with a metal one (sold separately) to prevent premature wear. Function testing with at least 100 rounds of your chosen defense ammo is mandatory after the swap.
- Can I return it if I don't like the color?
- No, Ironclad Armory's policy does not allow returns on custom-finished firearms for cosmetic reasons once the transfer has been initiated. This is standard practice across the industry for Cerakote or Duracoat applications. You must be certain about the finish before completing your purchase.
- How durable is the Cerakote finish?
- The Cerakote finish is highly durable, rated for 500+ hours of salt spray resistance per ASTM B117. In practice, it will resist holster wear significantly better than standard Glock nDLC or Melonite finishes. However, like any coating, it can chip if impacted directly on a hard edge, such as the corner of the rear slide serrations.