Safariland 578 GLS Pro-Fit Wide Long Slide Holster FDE RH
Safariland
$80.00
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Safariland
Safariland 578 GLS Pro-Fit Wide Long Slide Holster FDE RH
The Safariland 578 GLS Pro-Fit Wide Long Slide Holster in FDE (Flat Dark Earth) delivers professional-grade retention and versatile fit in a single right-hand draw package — engineered for shooters who demand reliability without sacrificing speed or comfort.
- Grip Lock System (GLS) secures the weapon automatically upon holstering for instant retention
- Intuitive middle-finger release engages naturally with a standard shooting grip
- Adjustable Pro-Fit design accommodates over 60 different firearm models
- Wide long-slide configuration fits extended-barrel and compensated pistols securely
- SafariSeven nylon blend is non-abrasive, protecting your pistol's finish and coating
- Includes both injection-molded paddle and adjustable belt loop attachments for flexible carry
Who This Is For
The Safariland 578 GLS Pro-Fit Wide Long Slide is ideal for competition shooters, range instructors, and duty carriers running long-slide or compensated semi-automatic pistols who need a Level I retention holster that transitions quickly between multiple firearms. The FDE finish makes it a natural match for tan or coyote-colored gear setups, and the dual-attachment system means it works equally well on a belt or paddle platform for training days or everyday carry use.
Specifications
| Brand | Safariland |
|---|---|
| Model | 578 GLS Pro-Fit Wide Long Slide |
| Color / Finish | FDE (Flat Dark Earth) |
| Hand | Right-Hand Draw |
| Retention System | GLS (Grip Lock System) — Level I |
| Firearm Compatibility | 60+ models (wide long-slide configuration) |
| Material | SafariSeven nylon blend |
| Attachment Included | Injection-molded paddle & adjustable belt loop |
| Belt Width Compatibility | Up to 1.75 in. (approx.) |
| Country of Origin | USA |
Frequently Asked Questions
What types of pistols fit the 578 GLS Pro-Fit Wide Long Slide?
The Wide Long Slide variant is specifically sized for pistols with extended or ported barrels, including long-slide versions of popular models like the Glock 17L, 34, and 35, as well as similarly dimensioned pistols from Smith & Wesson, Springfield Armory, and others. Because the Pro-Fit system is adjustable, it can accommodate over 60 firearm models — Safariland's official fit guide on their website allows you to search your exact pistol to confirm compatibility before purchasing.
How does the Grip Lock System (GLS) retention work?
The GLS retention mechanism automatically locks the firearm in place the moment it is seated in the holster — no manual snap or hood to engage. To draw, you simply apply a standard shooting grip and press inward with your middle finger against the release lever, which deactivates the lock and allows a clean, fluid draw. This design reduces the motor steps required under stress compared to traditional thumb-snap retention systems.
Can I use this holster with a weapon-mounted light or optic?
The standard 578 GLS Pro-Fit is not designed to accommodate weapon-mounted lights or lasers; if your pistol has a WML attached, you will need a light-bearing-specific holster model. Red dot sights (RDS) mounted to the slide, however, are generally compatible as long as the overall slide dimensions still fall within the Pro-Fit's adjustable range — verify your optic height against Safariland's fit specifications to be certain.
