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Ultradyne USA UD6
California Proposition 65 Warning

This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.

Ultradyne USA

UD6

$499.00
Low Stock (4 left) California compliant

Ultradyne USA UD6 Chassis, For Ruger American Short Action, Cerakote Finish, Bronze, Right Hand, Picatinny Mounting Interface UD20164-MB

Key Details
Brand Ultradyne USA
Manufacturer Part Number UD20164-MB
UPC 810140664013
SKU UD20164-MB
Current Stock 4 available
Quantity Updated Jun 28, 2026 6:28 PM
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Purchase Requirements
  • Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description

The UD Picatinny Chassis takes the proven platform of the UD Chassis, and replaces the traditional buffer-tube interface with a robust, rear Picatinny mounting interface so the buttstock detaches quickly for compact transport or tight storage without compromising repeatable return-to-zero. The chassis accepts their adjustable grip system so shooters can customize trigger-finger distance to their preference, and the adjustable thumb rest lets you tune positioning for repeatability and comfort.

Features
  • 6061 T6 Aluminum Material
  • Stock Interface: 1913 Picatinny
  • Grip Interface: Mil Spec A2 OR UD Adjustable Grip
  • Magazine Interface: AICS
  • 1.35 Max Barrel Diameter"
Specifications
UPC: 810140664013
Manufacturer: Ultradyne USA
Manufacturer Part #: UD20164-MB
Model: UD6
Finish: Matte
Type: Chassis