NineX19 X1 RMR Cut Slide for Glock 19 Gen 4/5 Hybrid


Precision machined lightweight slide upgrade compatible with both Gen 4 and 5 Glock 19 pattern pistols (uses Gen 4 slide internals)

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The NineX19 X1 Slide strikes a perfect balance between form and function. The precision machined windows give the X1 its “Gucci Glock” aesthetic while the aggressive rear serrations and RMR-pattern optics cut provide functional performance and capability. Machined from 416R stainless steel billet, properly heat-treated and hardened, and then coated with either black nitride, FDE Cerakote, or Sig Dark Gray Cerakote, the X1 slide will stand up to whatever abuse you can dish out, be it long days in a holster or rigorous use at the range.

NineX19 Gen 4/5 Hybrid Slide Design

NineX19’s hybrid Gen 4/5 slide design provides the best of both worlds for modern Glock builders. Our hybrid slides are fully compatible with Gen 5 frames, but utilize Gen 4 slide internals which are much easier to source than Gen 5 internals. This allows you customize and build your Glock platform pistol exactly the way you’d like, without having to scour the market for difficult-to-find parts.

  • Compatible with Gen 4 and Gen 5 Glock 19 models and Gen 4 or 5 G19-pattern builder frames like the Nomad-9 from Nomad Defense
  • Accepts readily-available Gen 4 slide components (available here)
  • Works with single-sided Gen 4 slide release or ambidextrous Gen 5 slide release
  • RMR-pattern optic mounting cut (includes matching cover plate)
  • Available in Black Nitride, FDE Cerakote, and Sig Dark Gray Cerakote finishes
  • Manufactured in the USA from heat-treated and hardened 416R stainless steel for optimal performance, reliability, and service life
  • Reduced reciprocating weight (vs OEM slide) lowers felt recoil and improves accuracy on follow-up shots
  • Generous windows dissipate barrel heat for prolonged service life and enhanced performance


This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.

Weight12 oz
Dimensions8 × 2 × 2 in

Black Nitride, FDE Cerakote, Sig Dark Gray Cerakote


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