Description
The standard Glock 43X is one of the best carry pistols going, but it ships with a short unthreaded barrel and sights too low to see over a can. This Shark Coast Tactical build fixes both right out of the box. You get a 3.92 inch threaded barrel with the standard 1/2×28 pitch, so your 9mm suppressor spins straight on without adapters, plus tall suppressor height sights that give you a clean sight picture over the tube. The whole pistol wears a Flat Dark Earth Cerakote finish applied by Shark Coast Tactical, which looks sharp and adds a real layer of wear and corrosion resistance for daily carry.
The Hush Puppy Touch on This 43X
The detail that separates this from a typical threaded barrel Glock is the Hush Puppy slide lock lever. Flip it on and the slide stays locked closed through the shot, cutting out the mechanical clatter of the action cycling for the quietest possible suppressed fire. Leave it off and the pistol runs exactly like the striker-fired Safe Action Glock you already know. It is a niche feature done right, and it does not get in the way when you are just running the gun normally.
Fifteen Rounds in a Slimline Frame
Capacity is the other big win here. This 43X feeds from a 15 round magazine that fits flush, so you are carrying 15 plus one in a grip that still disappears under a t-shirt. That is a 50 percent bump over the standard 10 round setup with no added bulk where it counts.
Why This Glock 43X FDE Earns a Spot
Between the threaded barrel, tall sights, slide lock lever, and the extra rounds on board, this is a genuinely versatile little pistol. Run it quiet at the range, keep it on the nightstand with a can attached, or carry it slick as an everyday gun. Glock reliability underneath, smart upgrades on top, and nothing left for you to piece together.
Key Specifications
- Manufacturer: Glock
- Model: 43X
- Manufacturer Part Number: UX4350204NR15
- UPC: 810188109477
- Caliber: 9mm Luger
- Action: Semi-Auto, Striker Fired
- Capacity: 15+1 Rounds
- Barrel Length: 3.92" Threaded
- Thread Pitch: 1/2×28
- Sights: Suppressor Height
- Slide Lock: Hush Puppy Slide Lock Lever
- Finish: Flat Dark Earth Cerakote by Shark Coast Tactical
- Frame: Slimline Polymer with Accessory Rail
- Frame Size: Sub-Compact
What’s Included
- Glock 43X pistol with Hush Puppy slide lock lever installed
- 15-round magazine
- Glock factory case
- Cable lock
- Owner's manual
Frequently Asked Questions
Will my suppressor attach directly to this Glock 43X threaded barrel?
Yes, the 3.92 inch barrel is threaded 1/2×28, which is the standard pitch for 9mm suppressors in the US, so most cans thread on with no adapter needed. The suppressor height sights sit tall enough to give you a usable sight picture over most 9mm suppressor bodies. Just make sure your suppressor's piston or mount matches 1/2×28.
What does the Hush Puppy slide lock lever do?
It lets you manually lock the slide closed before firing a suppressed shot, which eliminates the noise of the action cycling and makes the gun as quiet as it can possibly be with a can attached. With the lever disengaged, the pistol functions as a completely normal semi-auto. It's a feature borrowed from classic quiet-pistol designs and it works well paired with subsonic ammo.
How does a Glock 43X hold 15 rounds when the factory gun holds 10?
This build ships with a flush-fit 15 round magazine that uses staggered round geometry to pack five extra rounds into the same footprint as the standard 10 round mag. The grip length and overall size of the pistol are unchanged, so concealability doesn't take a hit. You end up with 15+1 on board in a gun that still carries like a slim single stack.
Is the FDE finish on this 43X a factory Glock color?
The Flat Dark Earth Cerakote is applied by Shark Coast Tactical over the Glock 43X base gun as part of this custom package. Cerakote is a ceramic-based coating known for strong wear and corrosion resistance, so it holds up well to holster use and range time. It gives the pistol a full, even FDE look rather than a two-tone factory finish.







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