This optic-ready pre-assembled slide is the perfect way to finish off your .45 ACP build, or upgrade your current Gen 3 G21 pistol. With front and rear serrations, iron sight mounts, and an RMR footprint, this slide is ready for your favorite reflex sight and compatible irons. Including a Gen 3 lower parts kit to finish off your frame.
Pre-Assembled Glock® 21 RMR Optic Cut Slide:
The RMR Optic Cut is arguably the most common slide red dot mount. It's compatible with a wide range of popular pistol red dots, including Holosun red dots (like the 507C X2), Swampfox red dots, and of course, Trijicon's RMR.
Slide Kit Specs:
- Model: Glock® 21 Gen 3
- Platform: Glock® 21
- Caliber: .45 ACP
- Slide Finish: Black Nitride
- 416 Stainless Steel
- Heat Treated 42-44 RW
- Factory Glock® Internal Dimensions
- Factory Glock® Sights Cuts
- RMR Cut-out w/ 6-32 tapped holes
- Barrel Finish: Black Nitride
- American Made Gen 3 Upper Parts Kit (pre-installed)
- 100% Made and Assembled in the U.S.A
G21 Lower Parts:
This Gen 3 GLOCK® compatible lower parts kit is specifically designed for G21 pistols. It features OEM-spec components to ensure reliability and an easy installation.
What's Included:
- Connector
- Slide Stop
- Locking Block Pin
- Magazine Release
- Magazine Release Spring
- Slide Lock
- Slide Lock Spring
- Trigger Housing Pin
- Trigger Housing w/ Ejector
- Trigger
- Trigger Pin
- Trigger Spring
- Trigger Bar
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