Ultradyne USA200189733
ULTRADYNE UD3 CHS CMB R700 SA RH BLK$577.19
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Availability: In Stock
Current Stock: Out of stock
The Ultradyne UD3 chassis is a precision one-piece aluminum build platform designed for shooters who want a modular, durable foundation for hunting rifles, precision target builds, or anything in between. Machined from 6061 T6 aircraft aluminum, this chassis delivers the strength of a solid bar stock design while keeping weight between 1.1 and 1.5 pounds—light enough to complement rifles as lean as 6 pounds, yet stable enough to support heavy long-range setups up to 16 pounds. Whether you're running a lightweight hunting rifle or a dedicated precision rig, the UD3 adapts to your needs without dragging down your total weight budget.
The right-hand configuration pairs a FAB Defense Gradus grip (a proven ergonomic choice for both prone and standing positions) with an AICS magazine interface, giving you access to decades of aftermarket support and compatibility. The 1.35-inch maximum barrel diameter accommodation handles most modern rifle profiles without hassle. Three accessory slots built into the chassis rails give you flexibility to add your choice of tactical furniture—rails, MLok systems, or other modular additions—as your setup evolves.
Pair this chassis with an Ultradyne adjustable butt stock to dial in length of pull and cheek weld for your body and shooting style. Even fully configured, you'll still come in lighter than most factory stocks, and the modular approach means you can add weight where it matters most for your application—whether that's stability or speed. If you're building a precision rifle, a hunting platform, or experimenting with a new caliber, the UD3 gives you a clean, repeatable foundation that won't nickel-and-dime you with unnecessary bulk.
| Material | 6061 T6 Aircraft Aluminum |
| Design | One-piece solid bar construction |
| Weight | 1.1 to 1.5 lbs |
| Orientation | Right-hand |
| Grip | FAB Defense Gradus |
| Magazine Interface | AICS |
| Max Barrel Diameter | 1.35 inches |
| Accessory Slots | 3 |
| Rifle Weight Range | 6 to 16 pounds |
The chassis uses an AICS magazine interface, which means it's compatible with the wide range of aftermarket magazines designed to that standard. Check your specific rifle's requirements to confirm magazine compatibility.
Yes. The one-piece aluminum design is suitable for rifle builds ranging from as light as 6 pounds (typical of hunting rifles) to 16 pounds (typical of precision target rigs), making it adaptable to both disciplines.
The UD3 includes a FAB Defense Gradus grip in right-hand configuration. This ergonomic grip is designed for natural hand positioning in prone, standing, and shooting positions.
Yes, the UD3 is designed to pair with Ultradyne adjustable butt stocks, allowing you to customize length of pull and cheek weld while keeping overall weight lower than factory options.
SKU: 200189734
Availability: In Stock
Current Stock: Out of stock
The Ultradyne UD3 chassis is a precision one-piece aluminum build platform designed for shooters who want a modular, durable foundation for hunting rifles, precision target builds, or anything in between. Machined from 6061 T6 aircraft aluminum, this chassis delivers the strength of a solid bar stock design while keeping weight between 1.1 and 1.5 pounds—light enough to complement rifles as lean as 6 pounds, yet stable enough to support heavy long-range setups up to 16 pounds. Whether you're running a lightweight hunting rifle or a dedicated precision rig, the UD3 adapts to your needs without dragging down your total weight budget.
The right-hand configuration pairs a FAB Defense Gradus grip (a proven ergonomic choice for both prone and standing positions) with an AICS magazine interface, giving you access to decades of aftermarket support and compatibility. The 1.35-inch maximum barrel diameter accommodation handles most modern rifle profiles without hassle. Three accessory slots built into the chassis rails give you flexibility to add your choice of tactical furniture—rails, MLok systems, or other modular additions—as your setup evolves.
Pair this chassis with an Ultradyne adjustable butt stock to dial in length of pull and cheek weld for your body and shooting style. Even fully configured, you'll still come in lighter than most factory stocks, and the modular approach means you can add weight where it matters most for your application—whether that's stability or speed. If you're building a precision rifle, a hunting platform, or experimenting with a new caliber, the UD3 gives you a clean, repeatable foundation that won't nickel-and-dime you with unnecessary bulk.
| Material | 6061 T6 Aircraft Aluminum |
| Design | One-piece solid bar construction |
| Weight | 1.1 to 1.5 lbs |
| Orientation | Right-hand |
| Grip | FAB Defense Gradus |
| Magazine Interface | AICS |
| Max Barrel Diameter | 1.35 inches |
| Accessory Slots | 3 |
| Rifle Weight Range | 6 to 16 pounds |
The chassis uses an AICS magazine interface, which means it's compatible with the wide range of aftermarket magazines designed to that standard. Check your specific rifle's requirements to confirm magazine compatibility.
Yes. The one-piece aluminum design is suitable for rifle builds ranging from as light as 6 pounds (typical of hunting rifles) to 16 pounds (typical of precision target rigs), making it adaptable to both disciplines.
The UD3 includes a FAB Defense Gradus grip in right-hand configuration. This ergonomic grip is designed for natural hand positioning in prone, standing, and shooting positions.
Yes, the UD3 is designed to pair with Ultradyne adjustable butt stocks, allowing you to customize length of pull and cheek weld while keeping overall weight lower than factory options.
SKU: 200189734