AT3 Tactical™ Complete AR-15 Upper Parts Kit - Forward Assist & Dust Cover
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Complete Upper Parts Kit For Your Stripped Upper Receiver
The AT3 Tactical™ AR-15 Upper Parts Kit is an ideal replacement for your standard forward assist and ejection port cover. It is compatible with all standard AR15/M16 style ejection uppers and includes all the parts you need to assemble a stripped AR15 Upper Receiver. The kit includes AR-15 ejection port cover, rod, spring, and forward assist kit, available in standard phosphate or 8 Cerakote colors.
If you want these assemblies individually, you can find the AT3 Dust Cover and AT3 Forward Assist assemblies on their own. If you’re looking to replace an existing dust cover, check out this guide first for instructions.
Includes
- Ejection Port Cover Door
- Ejection Port Cover Rod with c-clip
- Ejection Port Cover Spring
- Forward Assist Assembly
- Forward Assist Spring
- Forward Assist Roll Pin
Specifications
- Fit: AR-15/AR-10
- Weight: 1.6 ounces
- Material: Steel
- Finish
- Black: Phosphate
- Flat Dark Earth: H-267 Magpul® Flat Dark Earth
- OD Green: H-232 Magpul® OD Green
- Pink: H-224 SIG™ Pink
- Red: H-167 USMC Red
- Blue: H-171 NRA Blue
- Burnt Bronze: H-148 Burnt Bronze
- Tungsten: H-237 Tungsten
- Titanium: H-170 Titanium
All 9 options on this page
- AT3 Tactical™ Complete AR-15 Upper Parts Kit - Forward Assist & Dust Cover - Color: Black | SKU: AT3-UPK-1
- AT3 Tactical™ Complete AR-15 Upper Parts Kit - Forward Assist & Dust Cover - Color: Flat Dark Earth | SKU: AT3-UPK-FDE
- AT3 Tactical™ Complete AR-15 Upper Parts Kit - Forward Assist & Dust Cover - Color: OD Green | SKU: AT3-UPK-ODG
- AT3 Tactical™ Complete AR-15 Upper Parts Kit - Forward Assist & Dust Cover - Color: Pink | SKU: AT3-UPK-PNK
- AT3 Tactical™ Complete AR-15 Upper Parts Kit - Forward Assist & Dust Cover - Color: Red | SKU: AT3-UPK-RED
- AT3 Tactical™ Complete AR-15 Upper Parts Kit - Forward Assist & Dust Cover - Color: Blue | SKU: AT3-UPK-BLU
- AT3 Tactical™ Complete AR-15 Upper Parts Kit - Forward Assist & Dust Cover - Color: Burnt Bronze | SKU: AT3-UPK-BB
- AT3 Tactical™ Complete AR-15 Upper Parts Kit - Forward Assist & Dust Cover - Color: Tungsten | SKU: AT3-UPK-TG
- AT3 Tactical™ Complete AR-15 Upper Parts Kit - Forward Assist & Dust Cover - Color: Titanium | SKU: AT3-UPK-TI
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Questions & Answers
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Warranty & returns
Backed by the AT3 Lifetime Warranty!

All AT3 Tactical Brand Products carry a lifetime warranty against manufacturer’s defects.
This includes AT3 Red Dot Sights, Handguards, Iron Sights, and any other product that carries the “AT3 Tactical” or “AT3™” name. For other brands (ex. Magpul or Troy), please refer to the manufacturer’s warranty policy.
In the event that your AT3™ product becomes unusable, we will repair or replace the product at no charge to you.
If we cannot repair your product, we will replace it with a product in perfect working order of equal or better physical condition. The warranty is fully transferable, but we may require information about the original purchase to validate the authenticity of the product.
If your product is in need of warranty service, please contact AT3 Tactical to start the process
Our contact info is available here. To expedite processing, please provide your order information and description of the defect.
Please note: The AT3 Lifetime Warranty does not cover loss, theft, intentional damage or cosmetic damage that doesn’t affect the performance of the product.
90-day no-hassle returns
The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.
If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.













