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Geissele Ultra Duty Lower Parts Kit DDC (No Grip) – AR-15 | 05-435S
The Geissele Ultra Duty Lower Parts Kit includes premium components needed to complete or rebuild an AR-15 lower receiver. Featuring a Maritime Bolt Catch, Ambidextrous Super Configurable Safety, and Ultra Precision Trigger Guard in Desert Dirt Color (DDC), this kit is built for duty-grade performance and reliability.
The Geissele Ultra Duty Lower Parts Kit (05-435S) is a premium AR-15 lower receiver parts kit designed for shooters who demand the highest level of reliability, durability, and performance. Manufactured in North Wales, Pennsylvania, this kit incorporates many of Geissele's most popular upgrades into a single package, making it an ideal choice for duty rifles, defensive carbines, competition builds, and premium custom AR-15 projects.
Unlike standard lower parts kits, the Ultra Duty LPK includes Geissele's renowned Maritime Bolt Catch, providing enlarged textured paddles for faster and more positive bolt manipulation. The included Ambidextrous Super Configurable Safety allows users to customize lever placement while delivering crisp tactile feedback between safe and fire positions. Textured takedown pins and magazine release components provide improved control while maintaining a clean, professional appearance.
The kit also includes Geissele's Ultra Precision Trigger Guard, precision machined from 7075-T6 aluminum and finished in Desert Dirt Color (DDC) hardcoat anodizing. Key components throughout the kit utilize stainless steel construction for increased corrosion resistance and long service life in demanding environments. This version does not include a pistol grip, allowing builders to select their preferred grip configuration.
Whether you're completing a new rifle build or upgrading an existing lower receiver, the Geissele Ultra Duty Lower Parts Kit delivers premium components trusted by military, law enforcement, and serious shooters across the country.
Key Features
- Complete premium AR-15 lower parts kit
- Desert Dirt Color (DDC) finish
- Geissele Maritime Bolt Catch included
- Ambidextrous Super Configurable Safety
- Ultra Precision 7075-T6 aluminum trigger guard
- Stainless steel internal components
- Textured takedown pins and magazine release button
- No pistol grip included
- Compatible with standard AR-15 lower receivers
- Made in the USA