Welcome visitor you can login or create an account.


Shipping Policy

Our standard shipment is sent via UPS Ground or USPS. Signature required is automatically selected for any package $200.00 and over. Shipping charges are the responsibility of the customer unless otherwise noted. UPS Next-Day or 2nd Day shipping is optional, actual charges will apply. UPS tracking numbers are provided via email automatically at the time of shipment.

We ship to physical US and US APO addresses only. Shipping to APO addresses via USPS priority only.

We do our best to ship orders within 1-2 business days if they are in stock, however it is not guaranteed. Orders are not processed on weekends or holidays. For a multiple product order, we will make every attempt to ship all products contained in the order at the same time.

Products that are backordered at the time of order will be shipped as soon they become available. Backordered products may be charged for shipping at the actual rate not necessarily what was quoted to you on your purchase receipt. Backorders may have their shipping cost billed separately. You may cancel backordered products at any time prior to shipping.

Return Policy

Optimus Defense products have a limited warranty against manufacturing defects. Products manufactured by other companies may be sent back to Optimus Defense for exchange and we’ll deal with the other company on your behalf. If you choose to return a product within 30 days of purchase, Optimus Defense will refund your money for warranty returns. Non warranty returns are subject to a 15% restocking fee. Shipping is non-refundable and will not be refunded.

Fulfillment mistakes that Optimus Defense makes resulting in the shipment of incorrect products to you will be accepted for return 30 days from the date of purchase.

To make a return, contact Optimus Defense for a Return Authorization Number. Then package your products in original packaging and with sufficient material to prevent damage during shipping and return via your preferred shipping carrier. Any damage during shipping will be charged to the customer.

Returned products must not be damaged or modified. Optimus Defense cannot accept any Lowers that have been modified. All custom work completed by Optimus Defense is considered a final sale. For questions about returns, contact sales@optimusdefense.com


All Optimus Defense products carry a 30 day warranty unless otherwise stated. This warranty covers manufacturer defects in the materials and workmanship at the time of sale. This warranty does not cover damage or malfunctions caused by normal wear and tear, accident, abuse, neglect, improper storage or handling, misuse, vandalism, acts of god, or other causes external to the product. Under no circumstances shall Optimus Defense be responsible for incidental or consequential damages with respect to economic loss, injury, death, or property damage, whether as a result of breach of this warranty, negligence or otherwise. For questions about warranty, contact info@optimusdefense.com

80% Lower Exclusion: Any 80% Lower is excluded from the warranty if altered or modified in any way. Failed machining or unintended damage caused by completing or trying to complete the product is not covered. If you are filing a warranty claim on an “80% Receiver”, it has to be in the same exact condition as shipped to the customer. Optimus Defense will inspect and review each claim on an individual basis and notify the customer of their options.