Gen 3 compatible. RMR optic cut. Improved serrations and machining.
This GLOCK® 21-compatible slide features a slick bullnose profile with improved, multi-directional front and rear serrations providing improved grip.
This slide's also cut from 416R stainless, heat-treated and coated in a matte black powdercoat finish to provide vastly improved rust resistance. Also features an RMR optic cut.
GLOCK® 21 Slide Specs
- Forged from 416R stainless
- Heat-treated to RC 38 - 42 hardness
- Powdercoated for matte black, rustproof finish
- Compatible with Gen 1-3 GLOCK® 21
- Compatible with Polymer80 PF45 frame
- Chambered in .45 ACP
Note: Gen 3 slides do not work with Gen 5 frames. See the differences here.
Pair With a Pistol Red Dot
This RMR-cut slide's compatible with various pistol red dots (available here).
Compatible Red Dots Include:
- Trijicon RMR
- Trijicon SRO
- Holosun 407C
- Holosun 407C V2
- Holosun 407C X2
- Holosun 507C
- Holosun 507C V2
- Holosun 507C X2
- Holosun 508T
- Holosun 508T X2
- Riton X3 Tactix PRD
- NcStar VISM FlipDot Pro
- ADE Advanced Optics RD3-020 Raptor
- ADE Advanced Optics RD3-023 Valkyrie
- Swampfox Kingslayer 1×22
- Swampfox Liberty RMR 1×22
- Swampfox Justice RMR 1×27
- Vector Optics Frenzy 1x22x26
Completing Your Slide
This is a stripped slide. To make it functional and ready for installation on your frame, you will need a slide parts kit. Works with factory and aftermarket GLOCK® iron sights (sold separately).
Assembly Instructions
Follow our written step-by-step install instructions, or watch the video below, for putting together this stripped slide.
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- Caliber:
- .45
- Model:
- G21
- Size:
- Full
