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Questions & Answers
Any way to know what length of action screws this requires?

I am answering my own question. It came with the needed screws.

by Mike, Verified Owner, January 21, 2025
Customer Reviews
Most Recent Reviews Rem 700 RH Short Action UD-5 Chassis by C. Bigsby, March 15, 2025
Quality machining, very light (measured mine at 20.0oz) yet all the rigidity is there. For a full featured AND lightweight chassis with this level of quality and attention to detail, the price is unbeatable.
Most Recent Reviews Very pleased again!! by Tacticaldaddy, Verified Owner, February 20, 2025
This is my second UD chassis from optics planet, it's an extremely good platform especially for the money compared to similar chassis!! It's AR compatibility with the furniture and the mlok slots make it advantageous for setting up specific uses!! I ...
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Most Recent Reviews Excellent design and function by That guy, Verified Owner, February 15, 2025
Lightweight, easily assembled, and with adjustments to the retention slide on the mag release the mag fit perfectly
Most Recent Reviews Looks good, but not impressed with the mag well. by Mike, Verified Owner, January 21, 2025
I have only tried Magpul AICS magazines so far. It appears as Magpul has redesigned AICS long action mags in the last year or so. The feed lips are different and the mag itself is a bit taller. I installed an actual Remington 700 action and the bolt ...
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Read All 4 Reviews
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47 Models Available
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Product Info for Ultradyne UD5 Chassis

The Ultradyne 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 Adjustable Butt Stock, it is lighter than most factory stocks yet has the ability to add up to 5 pounds with optional weights.The Ultradyne Chassis is packed with features including an adjustable magazine release lever, compatibility with AICS magazines, ability to work with any Mil-Spec butt stock, 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.image

Specifications for Ultradyne UD5 Chassis:

Manufacturer: Ultradyne
Finish: Cerakote
Fabric/Material: 6061-T6 Aluminum
Gun Rail: M-LOK

Features of Ultradyne UD5 Rifles Chassis

  • Butt stock Interface: Mil Spec
  • Grip Interface: Mil Spec A2
  • Magazine Interface: AICS
  • 1.35 Max. Barrel Diameter

Package Contents:

  • Ultradyne UD5 Rifles Chassis

Ultradyne UD5 Chassis Orderable Models

List of Orderable Models

Ultradyne UD5 Chassis, Rem 700 LA, Right Hand, Anodized, UD20094 , MPN: UD20094 , UPC: 810140660411 , Code: 3HE-RS0-U5URC-UD20094
Ultradyne UD5 Chassis, Rem 700 SA, RH, Sniper Grey, UD20001-SG , MPN: UD20001-SG , UPC: 850043428565 , Code: 3HE-RS0-U5URC-UD20001-SG
Ultradyne UD5 Rifles Chassis, Remington 700, 5 Slot, Short Action, Right Hand, Black, UD20001 , MPN: UD20001 , UPC: 850043428718 , Code: 3HE-RS0-U5URC-UD20001
Ultradyne UD5 Chassis, Savage SA, RH, Sniper Grey, UD20004-SG , MPN: UD20004-SG , UPC: 850043428602 , Code: 3HE-RS0-U5URC-UD20004-SG
Ultradyne UD5 Chassis, Rem 700 SA, Right Hand, OD Green, UD20001-OG , MPN: UD20001-OG , UPC: 850043428787 , Code: 3HE-RS0-U5URC-UD20001-OG
Ultradyne UD5 Chassis, Ruger American SA, RH, OD Green, UD20134-OG , MPN: UD20134-OG , UPC: 810140663344 , Code: 3HE-RS0-U5URC-UD20134-OG
Ultradyne UD5 Chassis, Tikka T3 SA, RH, OD Green, UD20123-OG , MPN: UD20123-OG , UPC: 810140662323 , Code: 3HE-RS0-U5URC-UD20123-OG
Ultradyne UD5 Chassis, Tikka T3 SA, RH, Midnight Bronze, UD20123-MB , MPN: UD20123-MB , UPC: 810140662255 , Code: 3HE-RS0-U5URC-UD20123-MB
Ultradyne UD5 Chassis, CZ 457, RH, Sniper Grey, UD20131-SG , MPN: UD20131-SG , UPC: 810140663078 , Code: 3HE-RS0-U5URC-UD20131-SG
Ultradyne UD5 Chassis, Rem 700 SA, RH, Coyote Tan, UD20001-CT , MPN: UD20001-CT , UPC: 850043428558 , Code: 3HE-RS0-U5URC-UD20001-CT
Ultradyne UD5 Chassis, Rem 700 SA, RH, Armor Black, UD20001-AB , MPN: UD20001-AB , UPC: 850011462669 , Code: 3HE-RS0-U5URC-UD20001-AB
Ultradyne UD5 Chassis, Savage SA, RH, Coyote Tan, UD20004-CT , MPN: UD20004-CT , UPC: 850043428596 , Code: 3HE-RS0-U5URC-UD20004-CT
Ultradyne UD5 Chassis, Rem 700 LA, Right Hand, Midnight Bronze, UD20094-MB , MPN: UD20094-MB , UPC: 810140660435 , Code: 3HE-RS0-U5URC-UD20094-MB
Ultradyne UD5 Chassis, Rem 700 LA, Right Hand, Sniper Grey, UD20094-SG , MPN: UD20094-SG , UPC: 810140660459 , Code: 3HE-RS0-U5URC-UD20094-SG
Ultradyne UD5 Chassis, Ruger American SA, RH, Armor Black, UD20134-AB , MPN: UD20134-AB , UPC: 810140663610 , Code: 3HE-RS0-U5URC-UD20134-AB
Ultradyne UD5 Chassis, CZ 457, RH, Armor Black, UD20131-AB , MPN: UD20131-AB , UPC: 810140663047 , Code: 3HE-RS0-U5URC-UD20131-AB
Ultradyne UD5 Chassis, Ruger American SA, RH, Coyote Tan, UD20134-CT , MPN: UD20134-CT , UPC: 810140663351 , Code: 3HE-RS0-U5URC-UD20134-CT
Ultradyne UD5 Chassis, CZ 457, RH, Coyote Tan, UD20131-CT , MPN: UD20131-CT , UPC: 810140663139 , Code: 3HE-RS0-U5URC-UD20131-CT
Ultradyne UD5 Chassis, CZ 457, RH, OD Green, UD20131-OG , MPN: UD20131-OG , UPC: 810140663122 , Code: 3HE-RS0-U5URC-UD20131-OG
Ultradyne UD5 Chassis, Ruger American SA, RH, Midnight Bronze, UD20134-MB , MPN: UD20134-MB , UPC: 810140663320 , Code: 3HE-RS0-U5URC-UD20134-MB
Ultradyne UD5 Chassis, Ruger American SA, RH, Sniper Grey, UD20134-SG , MPN: UD20134-SG , UPC: 810140663337 , Code: 3HE-RS0-U5URC-UD20134-SG
Ultradyne UD5 Chassis, Howa 1500 SA, RH, Midnight Bronze, UD20126-MB , MPN: UD20126-MB , UPC: 810140662583 , Code: 3HE-RS0-U5URC-UD20126-MB
Ultradyne UD5 Chassis, Savage SA, RH, Armor Black, UD20004-AB , MPN: UD20004-AB , UPC: 850011462621 , Code: 3HE-RS0-U5URC-UD20004-AB
Ultradyne UD5 Chassis, Howa 1500 SA, RH, Coyote Tan, UD20126-CT , MPN: UD20126-CT , UPC: 810140662668 , Code: 3HE-RS0-U5URC-UD20126-CT
Ultradyne UD5 Chassis, Tikka T3 SA, RH, Armor Black, UD20123-AB , MPN: UD20123-AB , UPC: 810140662248 , Code: 3HE-RS0-U5URC-UD20123-AB
Ultradyne UD5 Chassis, Tikka T3 SA, RH, Coyote Tan, UD20123-CT , MPN: UD20123-CT , UPC: 810140662330 , Code: 3HE-RS0-U5URC-UD20123-CT
Ultradyne UD5 Chassis, Howa 1500 SA, RH, OD Green, UD20126-OG , MPN: UD20126-OG , UPC: 810140662651 , Code: 3HE-RS0-U5URC-UD20126-OG
Ultradyne UD5 Chassis, Howa 1500 SA, RH, Armor Black, UD20126-AB , MPN: UD20126-AB , UPC: 810140662576 , Code: 3HE-RS0-U5URC-UD20126-AB
Ultradyne UD5 Chassis, CZ 457, RH, Midnight Bronze, UD20131-MB , MPN: UD20131-MB , UPC: 810140663054 , Code: 3HE-RS0-U5URC-UD20131-MB
Ultradyne UD5 Chassis, Howa 1500 SA, RH, Sniper Grey, UD20126-SG , MPN: UD20126-SG , UPC: 810140662606 , Code: 3HE-RS0-U5URC-UD20126-SG
Ultradyne UD5 Chassis, Tikka T3 SA, RH, Sniper Grey, UD20123-SG , MPN: UD20123-SG , UPC: 810140662279 , Code: 3HE-RS0-U5URC-UD20123-SG
Ultradyne UD5 Chassis, Savage SA, Right Hand, OD Green, UD20004-OG , MPN: UD20004-OG , UPC: 810140661081 , Code: 3HE-RS0-U5URC-UD20004-OG
Ultradyne UD5 Chassis, Rem 700 LA, Right Hand, Armor Black, UD20094-AB , MPN: UD20094-AB , UPC: 810140660428 , Code: 3HE-RS0-U5URC-UD20094-AB
Ultradyne UD5 Chassis, Rem 700 SA, Right Hand, Midnight Bronze, UD20001-MB , MPN: UD20001-MB , UPC: 850043428725 , Code: 3HE-RS0-U5URC-UD20001-MB
Ultradyne UD5 Chassis, Rem 700 LA, Right Hand, OD Green, UD20094-OG , MPN: UD20094-OG , UPC: 810140660503 , Code: 3HE-RS0-U5URC-UD20094-OG
Ultradyne UD5 Chassis, Savage SA, Right Hand, Midnight Bronze, UD20004-MB , MPN: UD20004-MB , UPC: 810140661029 , Code: 3HE-RS0-U5URC-UD20004-MB
Ultradyne UD5 Chassis, Rem 700 LA, Right Hand, Coyote Tan, UD20094-CT , MPN: UD20094-CT , UPC: 810140660510 , Code: 3HE-RS0-U5URC-UD20094-CT
Ultradyne UD5 Chassis, Howa 1500 SA, RH, Anodized, UD20126 , MPN: UD20126 , UPC: 810140662569 , Code: 3HE-RS0-U5URC-UD20126
Ultradyne UD5 Chassis, Tikka T3 SA, RH, Black Anodized, UD20123 , MPN: UD20123 , UPC: 810140662231 , Code: 3HE-RS0-U5URC-UD20123
Ultradyne UD5 Chassis, CZ 457, RH, Black Anodized, UD20131 , MPN: UD20131 , UPC: 810140663030 , Code: 3HE-RS0-U5URC-UD20131
Ultradyne UD5 Chassis, Ruger American SA, RH, Black Anodized, UD20134 , MPN: UD20134 , UPC: 810140663313 , Code: 3HE-RS0-U5URC-UD20134
Ultradyne UD5 Chassis, Savage SA, LH, Armor Black, UD20085-AB , MPN: UD20085-AB , UPC: 850043428480 , Code: 3HE-RS0-U5URC-UD20085-AB
Ultradyne UD5 Chassis, Savage SA, LH, Sniper Grey, UD20085-SG , MPN: UD20085-SG , UPC: 850043428626 , Code: 3HE-RS0-U5URC-UD20085-SG
Ultradyne UD5 Chassis, Savage SA, LH, Coyote Tan, UD20085-CT , MPN: UD20085-CT , UPC: 850043428619 , Code: 3HE-RS0-U5URC-UD20085-CT
Ultradyne UD5 Chassis, Rem 700 SA, LH, Coyote Tan, UD20079-CT , MPN: UD20079-CT , UPC: 850043428572 , Code: 3HE-RS0-U5URC-UD20079-CT
Ultradyne UD5 Chassis, Rem 700 SA, LH, Armor Black, UD20079-AB , MPN: UD20079-AB , UPC: 850043428428 , Code: 3HE-RS0-U5URC-UD20079-AB
Ultradyne UD5 Chassis, Rem 700 SA, LH, Sniper Grey, UD20079-SG , MPN: UD20079-SG , UPC: 850043428589 , Code: 3HE-RS0-U5URC-UD20079-SG

Ultradyne UD5 Chassis Unavailable & Discontinued Models

List of Unorderable Models

Ultradyne UD5 Rifles Chassis, Savage 110, 5 Slot, Right Hand, Black, UD20004 , MPN: UD20004 , UPC: 810140661012 , Code: 3HE-RS0-U5URC-UD20004
Ultradyne UD5 Rifles Chassis, Remington 700, 5 Slot, Short Action, Left Hand, Black, UD20079 , MPN: UD20079 , UPC: 850043428794 , Code: 3HE-RS0-U5URC-UD20079
Ultradyne UD5 Rifles Chassis, Savage 110, 5 Slot, Left Hand, Black, UD20085 , MPN: UD20085 , UPC: 810140661098 , Code: 3HE-RS0-U5URC-UD20085
Ultradyne UD5 Chassis, Rem 700 LA, Left Hand, Anodized, UD20096 , MPN: UD20096 , UPC: 810140660527 , Code: 3HE-RS0-U5URC-UD20096
Ultradyne UD5 Chassis, Rem 700 LA, Left Hand, Midnight Bronze, UD20096-MB , MPN: UD20096-MB , UPC: 810140660541 , Code: 3HE-RS0-U5URC-UD20096-MB
Ultradyne UD5 Chassis, Savage SA, Left Hand, Midnight Bronze, UD20085-MB , MPN: UD20085-MB , UPC: 810140661104 , Code: 3HE-RS0-U5URC-UD20085-MB
Ultradyne UD5 Chassis, Rem 700 LA, Left Hand, OD Green, UD20096-OG , MPN: UD20096-OG , UPC: 810140660619 , Code: 3HE-RS0-U5URC-UD20096-OG
Ultradyne UD5 Chassis, Rem 700 LA, Left Hand, Armor Black, UD20096-AB , MPN: UD20096-AB , UPC: 810140660534 , Code: 3HE-RS0-U5URC-UD20096-AB
Ultradyne UD5 Chassis, Rem 700 SA, Left Hand, Midnight Bronze, UD20079-MB , MPN: UD20079-MB , UPC: 850043428800 , Code: 3HE-RS0-U5URC-UD20079-MB
Ultradyne UD5 Chassis, Rem 700 LA, Left Hand, Coyote Tan, UD20096-CT , MPN: UD20096-CT , UPC: 810140660626 , Code: 3HE-RS0-U5URC-UD20096-CT
Ultradyne UD5 Chassis, Rem 700 SA, Left Hand, OD Green, UD20079-OG , MPN: UD20079-OG , UPC: 850043428862 , Code: 3HE-RS0-U5URC-UD20079-OG
Ultradyne UD5 Chassis, Savage SA, Left Hand, OD Green, UD20085-OG , MPN: UD20085-OG , UPC: 810140661166 , Code: 3HE-RS0-U5URC-UD20085-OG
Ultradyne UD5 Chassis, Rem 700 LA, Left Hand, Sniper Grey, UD20096-SG , MPN: UD20096-SG , UPC: 810140660565 , Code: 3HE-RS0-U5URC-UD20096-SG
Ultradyne UD5 Chassis, Rem 700 SA, Right Hand, Tequila Sunrise, UD20001-TS , MPN: UD20001-TS , UPC: 850043428763 , Code: 3HE-RS0-U5URC-UD20001-TS
Ultradyne UD5 Chassis, Rem 700 SA, Right Hand, Northern Lights, UD20001-NL , MPN: UD20001-NL , UPC: 850043428749 , Code: 3HE-RS0-U5URC-UD20001-NL
Ultradyne UD5 Chassis, Rem 700 SA, Right Hand, Habanero Red, UD20001-HR , MPN: UD20001-HR , UPC: 850043428756 , Code: 3HE-RS0-U5URC-UD20001-HR
Ultradyne UD5 Chassis, Rem 700 SA, Right Hand, Titanium, UD20001-TI , MPN: UD20001-TI , UPC: 850043428770 , Code: 3HE-RS0-U5URC-UD20001-TI
Ultradyne UD5 Chassis, Rem 700 SA, Left Hand, Tequila Sunrise, UD20079-TS , MPN: UD20079-TS , UPC: 850043428848 , Code: 3HE-RS0-U5URC-UD20079-TS
Ultradyne UD5 Chassis, Savage SA, Right Hand, Tungsten, UD20004-TU , MPN: UD20004-TU , UPC: 810140661036 , Code: 3HE-RS0-U5URC-UD20004-TU
Ultradyne UD5 Chassis, Rem 700 SA, Left Hand, Tungsten, UD20079-TU , MPN: UD20079-TU , UPC: 850043428817 , Code: 3HE-RS0-U5URC-UD20079-TU
Ultradyne UD5 Chassis, Rem 700 LA, Left Hand, Tequila Sunrise, UD20096-TS , MPN: UD20096-TS , UPC: 810140660596 , Code: 3HE-RS0-U5URC-UD20096-TS
Ultradyne UD5 Chassis, Savage SA, Right Hand, Habanero Red, UD20004-HR , MPN: UD20004-HR , UPC: 810140661050 , Code: 3HE-RS0-U5URC-UD20004-HR
Ultradyne UD5 Chassis, Rem 700 LA, Left Hand, Tungsten, UD20096-TU , MPN: UD20096-TU , UPC: 810140660558 , Code: 3HE-RS0-U5URC-UD20096-TU
Ultradyne UD5 Chassis, Rem 700 LA, Left Hand, Northern Lights, UD20096-NL , MPN: UD20096-NL , UPC: 810140660572 , Code: 3HE-RS0-U5URC-UD20096-NL
Ultradyne UD5 Chassis, Savage SA, Left Hand, Titanium, UD20085-TI , MPN: UD20085-TI , UPC: 810140661159 , Code: 3HE-RS0-U5URC-UD20085-TI
Ultradyne UD5 Chassis, Rem 700 SA, Left Hand, Titanium, UD20079-TI , MPN: UD20079-TI , UPC: 850043428855 , Code: 3HE-RS0-U5URC-UD20079-TI
Ultradyne UD5 Chassis, Rem 700 LA, Right Hand, Tequila Sunrise, UD20094-TS , MPN: UD20094-TS , UPC: 810140660480 , Code: 3HE-RS0-U5URC-UD20094-TS
Ultradyne UD5 Chassis, Savage SA, Left Hand, Habanero Red, UD20085-HR , MPN: UD20085-HR , UPC: 810140661135 , Code: 3HE-RS0-U5URC-UD20085-HR
Ultradyne UD5 Chassis, Rem 700 LA, Right Hand, Tungsten, UD20094-TU , MPN: UD20094-TU , UPC: 810140660442 , Code: 3HE-RS0-U5URC-UD20094-TU
Ultradyne UD5 Chassis, Rem 700 SA, Right Hand, Tungsten, UD20001-TU , MPN: UD20001-TU , UPC: 850043428732 , Code: 3HE-RS0-U5URC-UD20001-TU
Ultradyne UD5 Chassis, Savage SA, Left Hand, Tequila Sunrise, UD20085-TS , MPN: UD20085-TS , UPC: 810140661142 , Code: 3HE-RS0-U5URC-UD20085-TS
Ultradyne UD5 Chassis, Rem 700 LA, Right Hand, Habanero Red, UD20094-HR , MPN: UD20094-HR , UPC: 810140660473 , Code: 3HE-RS0-U5URC-UD20094-HR
Ultradyne UD5 Chassis, Rem 700 LA, Right Hand, Titanium, UD20094-TI , MPN: UD20094-TI , UPC: 810140660497 , Code: 3HE-RS0-U5URC-UD20094-TI
Ultradyne UD5 Chassis, Savage SA, Right Hand, Northern Lights, UD20004-NL , MPN: UD20004-NL , UPC: 810140661043 , Code: 3HE-RS0-U5URC-UD20004-NL
Ultradyne UD5 Chassis, Rem 700 LA, Left Hand, Habanero Red, UD20096-HR , MPN: UD20096-HR , UPC: 810140660589 , Code: 3HE-RS0-U5URC-UD20096-HR
Ultradyne UD5 Chassis, Rem 700 SA, Left Hand, Habanero Red, UD20079-HR , MPN: UD20079-HR , UPC: 850043428831 , Code: 3HE-RS0-U5URC-UD20079-HR
Ultradyne UD5 Chassis, Rem 700 LA, Left Hand, Titanium, UD20096-TI , MPN: UD20096-TI , UPC: 810140660602 , Code: 3HE-RS0-U5URC-UD20096-TI
Ultradyne UD5 Chassis, Savage SA, Right Hand, Titanium, UD20004-TI , MPN: UD20004-TI , UPC: 810140661074 , Code: 3HE-RS0-U5URC-UD20004-TI
Ultradyne UD5 Chassis, Savage SA, Left Hand, Northern Lights, UD20085-NL , MPN: UD20085-NL , UPC: 810140661128 , Code: 3HE-RS0-U5URC-UD20085-NL
Ultradyne UD5 Chassis, Rem 700 SA, Left Hand, Northern Lights, UD20079-NL , MPN: UD20079-NL , UPC: 850043428824 , Code: 3HE-RS0-U5URC-UD20079-NL
Ultradyne UD5 Chassis, Savage SA, Right Hand, Tequila Sunrise, UD20004-TS , MPN: UD20004-TS , UPC: 810140661067 , Code: 3HE-RS0-U5URC-UD20004-TS
Ultradyne UD5 Chassis, Rem 700 LA, Right Hand, Northern Lights, UD20094-NL , MPN: UD20094-NL , UPC: 810140660466 , Code: 3HE-RS0-U5URC-UD20094-NL
Ultradyne UD5 Chassis, Savage SA, Left Hand, Tungsten, UD20085-TU , MPN: UD20085-TU , UPC: 810140661111 , Code: 3HE-RS0-U5URC-UD20085-TU
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