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Geissele Ultra Duty Lower Parts Kit DDC, Ambi Safety & Bolt Catch

The Geissele Ultra Duty Lower Parts Kit is designed for demanding operators, providing all the essential parts to complete or rebuild your AR-15 lower receiver. Made with premium stainless steel components, this kit includes the iconic Maritime Bolt Catch, Ambidextrous Super Configurable Safety, and a textured billet mag release button. The kit also features the Ultra Precision Trigger Guard, machined from billet 7075-T6 aluminum for superior durability. Ideal for extreme conditions, this kit ensures reliable performance and a refined, cohesive look for your rifle.

Estimate Fees

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, please Contact Us with your order number and details about the product you would like to return. We will respond quickly with instructions for how to return items from your order.

Shipping

We can ship virtually to any address within the U.S.A. Due to restrictions on some items, those items cannot be shipped internationally. 

In general, please allow 5-7 business days for your order to process. Some orders may also be delayed depending on carrier transport times. We assure you, we are doing all we can to get your order to you as quickly as possible!

If you wish to cancel your order please contact us with your order number available. We will try our best to get that canceled however the order may be too far along in processing and unable to be cancelled. Please note a tracking number will be provided upon label creation, carriers generally pick up shipments every afternoon. 

In stock
SKU
817953025321

The Geissele Ultra Duty Lower Parts Kit (LPK) in Desert Dirt Color is designed for the most demanding operators. Perfect for completing or rebuilding your AR-15 lower receiver, this premium kit includes 19 meticulously crafted components that ensure reliability, durability, and optimal performance under extreme conditions. Every part is made with precision and engineered to provide exceptional longevity for your AR-15 build.

Key Features: 

Superior Materials and Craftsmanship

  • Geissele’s Ultra Duty LPK is constructed using high-quality stainless steel components that deliver superior durability, corrosion resistance, and a longer lifespan, even in harsh conditions. These parts are expertly machined at the Geissele facility in North Wales, PA, ensuring exceptional attention to detail and precision.

Maritime Bolt Catch

  • This kit features Geissele's renowned Maritime Bolt Catch, designed for quick and reliable operation. The aggressive texturing and extended paddles make it easier to manipulate, even in gloved hands or under stressful conditions, giving you superior control when handling your rifle.

Ambidextrous Super Configurable Safety

  • The Ultra Duty LPK includes an ambidextrous Super Configurable Safety. This innovative safety selector allows for easy swapping and securely interchangeable levers, providing a positive and tactile feel when engaging the "safe" or "fire" positions. Ideal for operators who demand both functionality and customization.

Precision Trigger Guard

  • The kit includes Geissele’s Ultra Precision Trigger Guard, which is 5-axis machined from a solid billet block of 7075-T6 aluminum. Finished with a Type-3 hard coat anodizing, this part is both durable and visually appealing, ensuring your rifle stands out with a professional, custom look.

Textured Billet Magazine Release Button

  • The textured billet magazine release button is designed to provide a tactile and reliable interface for magazine removal. Its durable construction enhances functionality and adds to the sleek, cohesive aesthetic of your build.

Specifications:

  • Brand: Geissele Automatics
  • Category: Lower Kits
  • Model: Ultra Duty
  • Color: Desert Dirt (DDC)
  • Material: 7075-T6 Billet Aluminum, Stainless Steel
  • Firearm Type: AR Platform
  • Pieces: 19
  • Safety: Ambidextrous
  • Includes: Textured Billet Mag Release Button, Maritime Bolt Catch, Super Configurable Safety, Precision Trigger Guard, and other critical components

Conclusion

  • The Geissele Ultra Duty Lower Parts Kit in Desert Dirt is the ultimate upgrade for any AR-15 build. Designed for reliability, durability, and superior performance, this kit includes all the necessary internal parts to complete or enhance your lower receiver. Whether you are upgrading an existing build or starting a new one, Geissele’s precision engineering ensures your AR-15 will perform at its best under any conditions.
More Information
Brand Geissele
MFG 05-435S
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Geissele Ultra Duty Lower Parts Kit DDC, Ambi Safety & Bolt Catch

$137.67