Jeff B
UD5 Ruger American short action.Shipping was fast. The chassis was packed well and arrived in great condition. I was missing the magazine release when I opened it.I contacted customer service and was told The piece would be shipped to me. The service was great and fast. I would recommend this chassis and will buy again. Thank you for a great product and great customer service.
June 15, 2025









PRODUCTS CURRENTLY ON BACKORDER: UD3 Ruger American SA (6 weeks), UD5 Ruger American SA (6 weeks), UD7 Ruger American SA (6 weeks)
The UD Chassis is crafted from a solid bar of 6061 T6 Aircraft Aluminum for exceptional strength and durability. The one-piece design weighs between 1.1 and 1.5 pounds, depending on the model. When paired with the Ultradyne Gen 2 Adjustable Butt Stock, it is lighter than most factory stocks yet has the ability to add optional weights if desired.
The UD Chassis is packed with features including an adjustable magazine release lever, compatibility with AICS magazines, ability to work with any Mil-Spec carbine buffer tube, a built-in Arca rail, M-LOK slots on three sides, and Dynalock technology to ensure a secure fit. The action is held in place with V-channel bedding that can accommodate free-floated barrels up to 1.35 inches in diameter.
Please note Chassis compatibilities under the compatibility tab.
*Check availability tab for current lead times.
DISCLAIMER: Please allow up to 5 business days for Cerakote®’d products before shipment (Holiday demand may cause extended lead times)








PRODUCTS CURRENTLY ON BACKORDER: UD3 Ruger American SA (6 weeks), UD5 Ruger American SA (6 weeks), UD7 Ruger American SA (6 weeks)
The UD Chassis is crafted from a solid bar of 6061 T6 Aircraft Aluminum for exceptional strength and durability. The one-piece design weighs between 1.1 and 1.5 pounds, depending on the model. When paired with the Ultradyne Gen 2 Adjustable Butt Stock, it is lighter than most factory stocks yet has the ability to add optional weights if desired.
The UD Chassis is packed with features including an adjustable magazine release lever, compatibility with AICS magazines, ability to work with any Mil-Spec carbine buffer tube, a built-in Arca rail, M-LOK slots on three sides, and Dynalock technology to ensure a secure fit. The action is held in place with V-channel bedding that can accommodate free-floated barrels up to 1.35 inches in diameter.
Please note Chassis compatibilities under the compatibility tab.
*Check availability tab for current lead times.
DISCLAIMER: Please allow up to 5 business days for Cerakote®’d products before shipment (Holiday demand may cause extended lead times)