The Drop in Auto Sear (DIAS) is a precision component for builders seeking a specific function. It’s designed for those who require a reliable, drop-in solution for their project. Since adding it to our shelves in early 2024, customer feedback has been consistently positive, with a notably low return rate indicating it meets expectations.
Key Highlights
- Designed for reliable drop-in installation.
- Constructed from durable, heat-treated steel for longevity.
- Our staff testing confirmed reliable feeding with both brass and steel case ammunition.
- Machined to tight tolerances for consistent performance.
- A straightforward component for experienced builders.
Product Details
| Product Type | Drop in Auto Sear (DIAS) |
| Material | Heat-Treated Steel |
| Finish | Phosphate |
| Weight (measured) | 0.9 oz |
| Compatibility | Designed for specific AR-15/M16 platform builds |
| Installation | Drop-in design |
What Buyers Ask
Is this a complete, ready-to-use unit?
This is a component part. It is not a complete firearm or a standalone device. It requires installation into a compatible host by a qualified individual in full compliance with all federal, state, and local laws.
What is your return policy for this item?
We offer a full refund within 30 days of purchase if the item is returned in its original, unused condition. Due to the nature of this product, returns cannot be accepted if the packaging has been opened or the part has been installed or modified.
How discreet is the packaging?
All orders ship in plain, unbranded boxes or padded mailers. There are no company logos, product names, or identifying marks on the exterior packaging.
✅ Ships same business day before 3 PM
✅ No logos or product names on package
✅ Full refund within 30 days
✅ Secure payment processing


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