Brownells RMR Cut Slide for Glock 19 Gen 3
Engineered for the serious shooter demanding uncompromising performance, the Brownells RMR Cut Slide is a premium, drop-in upgrade for your Glock 19 Gen 3. Designed for enthusiasts, competitors, and duty-ready users, this slide comes optics-ready from the factory with a precision-machined RMR/SRO footprint. Key features include aggressive front and rear slide serrations for positive manipulation, a sleek window cut to reduce weight, and a durable Black Nitride finish for superior corrosion resistance and a smooth, hard-wearing surface.
| Compatibility | Glock 19 Gen 3 (Requires Gen 3 frame, barrel, and recoil assembly) |
| Optic Cut | Trijicon RMR/SRO Footprint (No adapter plates needed) |
| Finish | Black Nitride |
| Serrations | Front & Rear, Aggressive Angle |
| Weight Reduction | Top Window Cut |
| Sights | Optic-Height Suppressor Sights NOT Included |
| Installation | Drop-in with OEM or aftermarket Gen 3 parts |
Is this a complete slide assembly?
No, this is a stripped slide. You will need to transfer your existing Glock 19 Gen 3 barrel, recoil spring assembly, and slide completion parts (firing pin, extractor, etc.) or purchase them separately. It is designed as a direct, drop-in replacement for your factory slide.
Will my Holosun 507C fit this optic cut?
Yes. The Holosun 507C, along with other popular micro red dots like the Trijicon RMR, SRO, and Holosun 508T, share the same mounting footprint and will mount directly to this slide without an adapter plate, ensuring a secure, low-profile fit.
Do I need special sights with this slide?
Yes. When using a red dot optic, you will require suppressor-height sights to achieve a lower 1/3 co-witness through the optic window. Standard-height sights will be completely obscured by the optic’s housing. We recommend pairing this slide with a set of quality iron sights designed for co-witness.
How does the Black Nitride finish compare to others?
Black Nitride (often called Melonite or Tenifer) is a ferritic nitrocarburizing process that deeply penetrates the steel. It creates an extremely hard, low-friction, and corrosion-resistant surface that is superior in durability to most applied coatings like Cerakote, making it an ideal finish for a high-wear component like a slide.
Reviewed by our certified gunsmith team. 15+ years experience.
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