G17 / G19 / G26 / G34 / G21 / G40 / G43 RMR Cut MKII Cerakoted Performance Slide, Ported Top, Optic Ready

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G17 / G19 / G26 / G34 / G21 / G40 / G43 RMR Cut MKII Cerakoted Performance Slide, Ported Top, Optic Ready – Moriarti Arms

The MKII RMR Cut Cerakoted Performance Slide delivers premium machining, enhanced functionality, and aggressive styling for Glock compatible pistol builds. Precision machined from 416 stainless steel and heat treated to 42–44 Rockwell, this slide is engineered for durability, reliability, and long-term performance under demanding conditions.

MKII slide features a ported top window design that aligns with ported barrel configurations, improving gas venting while delivering a distinctive performance-driven appearance.

The MKII slide platform is engineered for cross-generation compatibility. Most models utilize a Gen 3 style guide rod system while maintaining compatibility with Gen 4 frames, giving builders flexibility across multiple frame generations. The slide is also machined with a right-side recessed edge to support ambidextrous slide release configurations while maintaining compatibility with Gen 3 style upper parts kits.

Optics readiness is built in. Standard size models feature RMR optic cuts with 6-32 tapped retention holes, while the G43 variant features an RMSC footprint with M4x0.7 threads, supporting popular micro red dot optics.

Front and rear serrations combined with 10 and 2 o’clock indexing dimples improve slide manipulation under stress, gloves, or adverse conditions.

Each slide is Cerakoted in the buyer’s choice of color for corrosion protection and custom styling.

Key Features

• Compatible With Glock 17, 19, 21, 22, 23, 26, 34, 40, and 43 Pattern Builds

• Precision Machined From 416 Stainless Steel

• Heat Treated To 42–44 Rockwell Hardness

• RMR Cut (Full Size Models) – 6-32 Optic Mount Threads

• RMSC Cut (G43 Model) – M4x0.7 Optic Mount Threads

• Ported Top Slide Window (Optimized For Ported Barrels)

• Front & Rear Slide Serrations

• 10 & 2 O’clock Indexing Dimples For Enhanced Grip

• Gen 3 Upper Parts Kit Compatible

• Gen 3 Guide Rod Style (Most Models) / G40 Uses Gen 4 Guide Rod Cut

• Ambidextrous Slide Release Clearance Cut

• Cerakoted – Buyer’s Choice Of Color

• 100% Made In USA

Model Compatibility Notes

Specifications