Description
The Hush Puppy name goes back to the quiet pistols built for military use decades ago, and this Glock 43X brings that same idea into a modern everyday carry package. Built on the Slimline frame with the same grip length, minimal profile, and built-in beavertail as the G48, it carries like a 43X because it is one. The difference is what Shark Coast Tactical layered on top: a black Cerakote finish, a Zaffiri Precision 3.92 inch threaded barrel with a 1/2×28 thread pitch, and suppressor-height sights that give you a clear sight picture with a can hanging off the muzzle.
What Makes the Hush Puppy 43X Different
The headline feature is the licensed Hush Puppy slide lock lever installed on the slide. Flip it on and the slide locks closed, so when you fire suppressed you get a single locked-breech shot with none of the mechanical clatter of the action cycling. That slide noise is a bigger part of a suppressed pistol's sound signature than most people realize, and locking it out gets you about as quiet as a 9mm can be, especially with subsonic ammo. Flip the lever off and the pistol runs as a normal semi-auto, no tools or fuss involved.
A 43X That Doesn't Skimp on Capacity
This version ships with 15-round magazines instead of the standard 10-rounders, so you get a real bump in capacity without changing the grip length or how the gun conceals. The slide also wears an optic cut that accepts popular micro red dots like the Holosun 407K and 507K, and those suppressor-height irons are tall enough to co-witness through most compact optics.
Who the 43X Hush Puppy Makes Sense For
If you already own a 9mm suppressor or have one on the way, this is a turnkey host that still pulls daily carry duty when the can stays home. It is also just a well-outfitted 43X, with the threaded barrel, tall sights, optic cut, and Cerakote work already done, saving you a pile of gunsmithing and parts hunting on your end.
Key Specifications
- Model: Glock 43X Hush Puppy
- Manufacturer Part Number: UX4350204FRN
- UPC: 810188109125
- Caliber: 9mm Luger
- Action: Semi-Auto, Striker Fired
- Capacity: 15 Rounds
- Barrel: 3.92" Zaffiri Precision Threaded
- Thread Pitch: 1/2×28
- Sights: Suppressor-Height
- Optic Cut: Micro Red Dot Ready (407K/507K/RMSc Style)
- Slide Lock: Hush Puppy Slide Lock Lever
- Frame: Slimline Polymer with Slim Mounting Rail
- Finish: Black Cerakote by Shark Coast Tactical
- Color: Black
What’s Included
- Glock 43X Hush Puppy pistol with Zaffiri Precision 1/2×28 threaded barrel
- Hush Puppy slide lock lever (installed)
- 15-round magazines
- Thread protector
- Factory case and manual
Frequently Asked Questions
What does the Hush Puppy slide lock on the Glock 43X actually do?
It is a licensed lever that lets you lock the slide closed before firing. With a suppressor mounted and the slide locked, you get a single locked-breech shot with none of the noise from the action cycling, which makes a real difference in total sound signature. Flip the lever off and the pistol cycles like any other 43X. You manually rack the slide between shots when the lock is engaged.
Will my 9mm suppressor fit the 43X Hush Puppy's threaded barrel?
The Zaffiri Precision barrel uses a 1/2×28 thread pitch, which is the standard for most 9mm pistol suppressors. Keep in mind this is a tilting-barrel action, so many full-size 9mm cans will want a booster with the correct 1/2×28 piston to cycle reliably. Lightweight direct-thread designs made for slim pistols tend to be the easiest pairing.
Can I mount a red dot on this Glock 43X?
Yes, the slide has a micro optic cut that accepts popular compact dots like the Holosun 407K and 507K along with RMSc-footprint optics. The suppressor-height sights are tall enough to co-witness through most micro red dots, so you keep usable irons whether the optic is on or off the gun.
How does this 43X hold 15 rounds when the standard model holds 10?
This configuration ships with 15-round magazines in place of the usual 10-round factory mags. They fit the same magwell and keep the same flush grip length, so you gain five rounds without changing how the pistol conceals or handles. It is one of the more popular upgrades in the Slimline world for good reason.








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