Purpose-built for the Glock 19 platform, the G19 Compact Auto Sear brings full-auto capability to the world’s most popular compact pistol. Machined from S7 tool steel for maximum durability under sustained fire.
Key Features
- S7 tool steel construction — superior to standard 4140
- Compact profile for Glock 19 slide dimensions
- Matte black Cerakote finish for stealth and durability
- Precision ground sear surfaces for consistent engagement
- Works with OEM and aftermarket Glock 19 slides
Specifications
| Material | S7 Tool Steel |
| Finish | Matte Black Cerakote |
| Compatibility | Glock 19 Gen 3/4/5 |
| Weight | 0.12 oz |
| Installation | Drop-in |
Expert Notes
The G19 platform presents unique challenges for auto sear design due to its shorter slide travel. Our engineering team optimized the sear geometry to account for reduced reciprocation distance, ensuring reliable reset even with +P ammunition.
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Frequently Asked Questions
What makes S7 tool steel better?
S7 offers superior shock resistance and hardness retention compared to 4140 steel, translating to longer service life under high-impact full-auto cycling.
Does this work with polymer slides?
Designed for standard metal Glock 19 slides (OEM or aftermarket). Polymer/hybrid slides are not recommended.
Is installation reversible?
Yes. This is a drop-in component requiring no permanent modification to your Glock 19 frame or slide.
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