+1-800-504-5897 Help Center Check Order Status
About Us Policies Reviews How To
Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Enjoy free shipping during the holidays! Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.

Enjoy Our Extended FREE RETURNS

We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later). We'll even cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

Ultradyne UD Lightweight Buttstock

Ultradyne UD Lightweight Buttstock, AR, Black Anodized, UD20128
Ultradyne UD Lightweight Buttstock, High, Black Anodized, UD20102
Ultradyne UD Lightweight Buttstock, Medium, Black Anodized, UD20101
Ultradyne UD Lightweight Buttstock, Low, Black Anodized, UD20097
Ultradyne UD Lightweight Buttstock, Low, OD Green, UD20097-OG
Ultradyne UD Lightweight Buttstock, Medium, Coyote Tan, UD20101-CT
Ultradyne UD Lightweight Buttstock, Low, Armor Black, UD20097-AB
Ultradyne UD Lightweight Butt Stock, High, Armor Black, UD20102-AB
Ultradyne UD Lightweight Buttstock, Medium, OD Green, UD20101-OG
Ultradyne UD Lightweight Buttstock, Medium, Armor Black, UD20101-AB
Ultradyne UD Lightweight Buttstock, High, Coyote Tan, UD20102-CT
Ultradyne UD Lightweight Buttstock, High, OD Green, UD20102-OG
Ultradyne UD Lightweight Buttstock, Low, Coyote Tan, UD20097-CT
Ultradyne UD Lightweight Buttstock, AR, Sniper Grey, UD20128-SG
Ultradyne UD Lightweight Butt Stock, AR, Armor Black, UD20128-AB
Ultradyne UD Lightweight Buttstock, High, Sniper Grey, UD20102-SG
Ultradyne UD Lightweight Buttstock, AR, Midnight Bronze, UD20128-MB
Ultradyne UD Lightweight Buttstock, AR, Coyote Tan, UD20128-CT
Ultradyne UD Lightweight Buttstock, Low, Midnight Bronze, UD20097-MB
Ultradyne UD Lightweight Buttstock, AR, OD Green, UD20128-OG
Ultradyne UD Lightweight Buttstock, High, Midnight Bronze, UD20102-MB
Ultradyne UD Lightweight Buttstock, Medium, Sniper Grey, UD20101-SG
Ultradyne UD Lightweight Buttstock, Medium, Midnight Bronze, UD20101-MB
Ultradyne UD Lightweight Buttstock, Low, Sniper Grey, UD20097-SG
Ultradyne UD Lightweight Butt Stock, High, Armor Black, UD20102-AB
Ultradyne UD Lightweight Butt Stock, High, Armor Black, UD20102-AB
Ultradyne UD Lightweight Butt Stock, High, Armor Black, UD20102-AB
Ultradyne UD Lightweight Butt Stock, High, Armor Black, UD20102-AB
Ultradyne UD Lightweight Buttstock, High, Armor Black, UD20102-AB
Ultradyne UD Lightweight Buttstock, AR, Black Anodized, UD20128
1 of 29 images
Ultradyne UD Lightweight Buttstock, AR, Black Anodized, UD20128
Ultradyne UD Lightweight Buttstock, High, Black Anodized, UD20102
2 of 29 images
Ultradyne UD Lightweight Buttstock, High, Black Anodized, UD20102
Ultradyne UD Lightweight Buttstock, Medium, Black Anodized, UD20101
3 of 29 images
Ultradyne UD Lightweight Buttstock, Medium, Black Anodized, UD20101
Ultradyne UD Lightweight Buttstock, Low, Black Anodized, UD20097
4 of 29 images
Ultradyne UD Lightweight Buttstock, Low, Black Anodized, UD20097
Ultradyne UD Lightweight Buttstock, Low, OD Green, UD20097-OG
5 of 29 images
Ultradyne UD Lightweight Buttstock, Low, OD Green, UD20097-OG
Ultradyne UD Lightweight Buttstock, Medium, Coyote Tan, UD20101-CT
6 of 29 images
Ultradyne UD Lightweight Buttstock, Medium, Coyote Tan, UD20101-CT
Ultradyne UD Lightweight Buttstock, Low, Armor Black, UD20097-AB
7 of 29 images
Ultradyne UD Lightweight Buttstock, Low, Armor Black, UD20097-AB
Ultradyne UD Lightweight Butt Stock, High, Armor Black, UD20102-AB
8 of 29 images
Ultradyne UD Lightweight Butt Stock, High, Armor Black, UD20102-AB
Ultradyne UD Lightweight Buttstock, Medium, OD Green, UD20101-OG
9 of 29 images
Ultradyne UD Lightweight Buttstock, Medium, OD Green, UD20101-OG
Ultradyne UD Lightweight Buttstock, Medium, Armor Black, UD20101-AB
10 of 29 images
Ultradyne UD Lightweight Buttstock, Medium, Armor Black, UD20101-AB
Ultradyne UD Lightweight Buttstock, High, Coyote Tan, UD20102-CT
11 of 29 images
Ultradyne UD Lightweight Buttstock, High, Coyote Tan, UD20102-CT
Ultradyne UD Lightweight Buttstock, High, OD Green, UD20102-OG
12 of 29 images
Ultradyne UD Lightweight Buttstock, High, OD Green, UD20102-OG
Ultradyne UD Lightweight Buttstock, Low, Coyote Tan, UD20097-CT
13 of 29 images
Ultradyne UD Lightweight Buttstock, Low, Coyote Tan, UD20097-CT
Ultradyne UD Lightweight Buttstock, AR, Sniper Grey, UD20128-SG
14 of 29 images
Ultradyne UD Lightweight Buttstock, AR, Sniper Grey, UD20128-SG
Ultradyne UD Lightweight Butt Stock, AR, Armor Black, UD20128-AB
15 of 29 images
Ultradyne UD Lightweight Butt Stock, AR, Armor Black, UD20128-AB
Ultradyne UD Lightweight Buttstock, High, Sniper Grey, UD20102-SG
16 of 29 images
Ultradyne UD Lightweight Buttstock, High, Sniper Grey, UD20102-SG
Ultradyne UD Lightweight Buttstock, AR, Midnight Bronze, UD20128-MB
17 of 29 images
Ultradyne UD Lightweight Buttstock, AR, Midnight Bronze, UD20128-MB
Ultradyne UD Lightweight Buttstock, AR, Coyote Tan, UD20128-CT
18 of 29 images
Ultradyne UD Lightweight Buttstock, AR, Coyote Tan, UD20128-CT
Ultradyne UD Lightweight Buttstock, Low, Midnight Bronze, UD20097-MB
19 of 29 images
Ultradyne UD Lightweight Buttstock, Low, Midnight Bronze, UD20097-MB
Ultradyne UD Lightweight Buttstock, AR, OD Green, UD20128-OG
20 of 29 images
Ultradyne UD Lightweight Buttstock, AR, OD Green, UD20128-OG
Ultradyne UD Lightweight Buttstock, High, Midnight Bronze, UD20102-MB
21 of 29 images
Ultradyne UD Lightweight Buttstock, High, Midnight Bronze, UD20102-MB
Ultradyne UD Lightweight Buttstock, Medium, Sniper Grey, UD20101-SG
22 of 29 images
Ultradyne UD Lightweight Buttstock, Medium, Sniper Grey, UD20101-SG
Ultradyne UD Lightweight Buttstock, Medium, Midnight Bronze, UD20101-MB
23 of 29 images
Ultradyne UD Lightweight Buttstock, Medium, Midnight Bronze, UD20101-MB
Ultradyne UD Lightweight Buttstock, Low, Sniper Grey, UD20097-SG
24 of 29 images
Ultradyne UD Lightweight Buttstock, Low, Sniper Grey, UD20097-SG
Ultradyne UD Lightweight Butt Stock, High, Armor Black, UD20102-AB
25 of 29 images
Ultradyne UD Lightweight Butt Stock, High, Armor Black, UD20102-AB
Ultradyne UD Lightweight Butt Stock, High, Armor Black, UD20102-AB
26 of 29 images
Ultradyne UD Lightweight Butt Stock, High, Armor Black, UD20102-AB
Ultradyne UD Lightweight Butt Stock, High, Armor Black, UD20102-AB
27 of 29 images
Ultradyne UD Lightweight Butt Stock, High, Armor Black, UD20102-AB
Ultradyne UD Lightweight Butt Stock, High, Armor Black, UD20102-AB
28 of 29 images
Ultradyne UD Lightweight Butt Stock, High, Armor Black, UD20102-AB
Ultradyne UD Lightweight Buttstock, High, Armor Black, UD20102-AB
29 of 29 images
Ultradyne UD Lightweight Buttstock, High, Armor Black, UD20102-AB

Tap Tap to Zoom

Questions & Answers

Product Discontinued by Manufacturer

Ultradyne UD Lightweight Buttstock has been discontinued by Ultradyne and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, AR15 Stocks yourself to try and find the perfect replacement for you!

Product Info for Ultradyne UD Lightweight Buttstock

Introducing the UD Lightweight Butt Stock, crafted from solid 6061 T6 aluminum for optimal balance between weight and strength. Engineered for lightweight rifle builds without compromising durability. Adjustable in Length of Pull (LOP) from 13 to 14 with removable spacers, and four options for cheek heights, it offers tailored comfort to nearly any shooter. Additional spacers and separate cheek pieces are readily available for purchase if needed, ensuring a personalized fit. Regardless of spacer configuration out to four spacers, installation remains seamless, utilizing the same screws for all orientations.image

Package Contents:

  • Ultradyne UD Lightweight ButtStock

Related Products to Ultradyne UD Lightweight Buttstock

Image of Ultradyne C4 Flip-Up Front/Rear Sight Set made-in-usa-flag Ultradyne C4 Flip-Up Front/Rear Sight Set (7) List: $299.00 (Save $20.51) $278.49 Free 2 Day Shipping
Image of Ultradyne C4 Flip-Up Front/Rear Sight Set made-in-usa-flag Ultradyne C4 Flip-Up Front/Rear Sight Set (7) List: $299.00 (Save $20.51) $278.49 Free 2 Day Shipping
Image of Ultradyne C4 Flip-Up Front/Rear Sight Set made-in-usa-flag Ultradyne C4 Flip-Up Front/Rear Sight Set (7) List: $299.00 (Save $20.51) $278.49 Free 2 Day Shipping
Image of Ultradyne C4 Flip-Up Front/Rear Sight Set made-in-usa-flag Ultradyne C4 Flip-Up Front/Rear Sight Set (7) List: $299.00 (Save $20.51) $278.49 Free 2 Day Shipping
Image of Ultradyne UD Carbon Tripod made-in-usa-flag Ultradyne UD Carbon Tripod List: $499.00 (Save 14%) $429.99
Image of Ultradyne C4 Offset Folding Sight made-in-usa-flag 2 models Ultradyne C4 Offset Folding Sight As Low As (Save Up to 11%) $169.99 Free 2 Day Shipping
Image of Ultradyne C4 Offset Folding Sight made-in-usa-flag 2 models Ultradyne C4 Offset Folding Sight As Low As (Save Up to 11%) $169.99 Free 2 Day Shipping
Image of Ultradyne C4 Offset Folding Sight made-in-usa-flag 2 models Ultradyne C4 Offset Folding Sight As Low As (Save Up to 11%) $169.99 Free 2 Day Shipping
Image of Ultradyne Lithium PCC Compensator Muzzle Brake, 9mm made-in-usa-flag Ultradyne Lithium PCC Compensator Muzzle Brake, 9mm (8) List: $99.00 $98.49 12% Coupon
Image of Ultradyne Lithium PCC Compensator Muzzle Brake, 9mm made-in-usa-flag Ultradyne Lithium PCC Compensator Muzzle Brake, 9mm (8) List: $99.00 $98.49 12% Coupon
Image of Ultradyne Pegasus Tanker-Style Compensator made-in-usa-flag 2 models Ultradyne Pegasus Tanker-Style Compensator (3) As Low As (Save Up to 25%) $154.49 12% Coupon
Image of Ultradyne Pegasus Tanker-Style Compensator made-in-usa-flag 2 models Ultradyne Pegasus Tanker-Style Compensator (3) As Low As (Save Up to 25%) $154.49 12% Coupon
Image of Ultradyne UD3 Chassis made-in-usa-flag 16 models Ultradyne UD3 Chassis As Low As (Save Up to 28%) $250.39 Up to 15% Coupon
Image of Ultradyne UD3 Chassis made-in-usa-flag 16 models Ultradyne UD3 Chassis As Low As (Save Up to 28%) $250.39 Up to 15% Coupon
Image of Ultradyne UD3 Chassis made-in-usa-flag 16 models Ultradyne UD3 Chassis As Low As (Save Up to 28%) $250.39 Up to 15% Coupon
Image of Ultradyne Apollo S Compensator made-in-usa-flag 2 models Ultradyne Apollo S Compensator (18) As Low As (Save Up to 25%) $136.99 Blazin' Deal
Image of Ultradyne Apollo S Compensator made-in-usa-flag 2 models Ultradyne Apollo S Compensator (18) As Low As (Save Up to 25%) $136.99 Blazin' Deal
Image of Ultradyne Apollo 5/8X24 LR Compensators made-in-usa-flag 4 models Ultradyne Apollo 5/8X24 LR Compensators (5) As Low As (Save Up to 28%) $177.49 12% Coupon
Image of Ultradyne Apollo 5/8X24 LR Compensators made-in-usa-flag 4 models Ultradyne Apollo 5/8X24 LR Compensators (5) As Low As (Save Up to 28%) $177.49 12% Coupon
Image of Ultradyne Pegasus Compensator, .223/5.56 made-in-usa-flag Ultradyne Pegasus Compensator, .223/5.56 (3) List: $145.00 (Save $10.21) $134.79 12% Coupon
Image of Ultradyne Pegasus Compensator, .223/5.56 made-in-usa-flag Ultradyne Pegasus Compensator, .223/5.56 (3) List: $145.00 (Save $10.21) $134.79 12% Coupon
Image of Ultradyne Apollo S Compensator 7.62x51mm made-in-usa-flag Ultradyne Apollo S Compensator 7.62x51mm (4) List: $145.00 (Save $3.21) $141.79 12% Coupon
Image of Ultradyne Apollo S Compensator 7.62x51mm made-in-usa-flag Ultradyne Apollo S Compensator 7.62x51mm (4) List: $145.00 (Save $3.21) $141.79 12% Coupon
Image of Ultradyne UD Grasp Gun Vise Arca Base made-in-usa-flag Ultradyne UD Grasp Gun Vise Arca Base List: $199.00 $198.49

Ultradyne UD Lightweight Buttstock Unavailable & Discontinued Models

List of Unorderable Models

  • Ultradyne UD Lightweight Buttstock, High, Black Anodized, UD20102 , MPN: UD20102 , UPC: 810140661937 , Code: 3HE-FBS-UDLBS1-UD20102
  • Ultradyne UD Lightweight Buttstock, Low, Black Anodized, UD20097 , MPN: UD20097 , UPC: 850043428053 , Code: 3HE-FBS-UDLBS1-UD20097
  • Ultradyne UD Lightweight Buttstock, AR, Black Anodized, UD20128 , MPN: UD20128 , UPC: 810140662781 , Code: 3HE-FBS-UDLBS1-UD20128
  • Ultradyne UD Lightweight Buttstock, Medium, Black Anodized, UD20101 , MPN: UD20101 , UPC: 810140661821 , Code: 3HE-FBS-UDLBS1-UD20101
  • Ultradyne UD Lightweight Buttstock, High, OD Green, UD20102-OG , MPN: UD20102-OG , UPC: 810140662026 , Code: 3HE-FBS-UDLBS1-UD20102-OG
  • Ultradyne UD Lightweight Buttstock, Medium, Armor Black, UD20101-AB , MPN: UD20101-AB , UPC: 810140661838 , Code: 3HE-FBS-UDLBS1-UD20101-AB
  • Ultradyne UD Lightweight Buttstock, Low, Coyote Tan, UD20097-CT , MPN: UD20097-CT , UPC: 850011462522 , Code: 3HE-FBS-UDLBS1-UD20097-CT
  • Ultradyne UD Lightweight Buttstock, High, Coyote Tan, UD20102-CT , MPN: UD20102-CT , UPC: 810140662033 , Code: 3HE-FBS-UDLBS1-UD20102-CT
  • Ultradyne UD Lightweight Buttstock, Medium, Coyote Tan, UD20101-CT , MPN: UD20101-CT , UPC: 810140661920 , Code: 3HE-FBS-UDLBS1-UD20101-CT
  • Ultradyne UD Lightweight Buttstock, High, Armor Black, UD20102-AB , MPN: UD20102-AB , UPC: 810140661944 , Code: 3HE-FBS-UDLBS1-UD20102-AB
  • Ultradyne UD Lightweight Buttstock, Medium, OD Green, UD20101-OG , MPN: UD20101-OG , UPC: 810140661913 , Code: 3HE-FBS-UDLBS1-UD20101-OG
  • Ultradyne UD Lightweight Buttstock, Low, OD Green, UD20097-OG , MPN: UD20097-OG , UPC: 850011462515 , Code: 3HE-FBS-UDLBS1-UD20097-OG
  • Ultradyne UD Lightweight Buttstock, Low, Armor Black, UD20097-AB , MPN: UD20097-AB , UPC: 850011462416 , Code: 3HE-FBS-UDLBS1-UD20097-AB
  • Ultradyne UD Lightweight Buttstock, High, Sniper Grey, UD20102-SG , MPN: UD20102-SG , UPC: 810140661975 , Code: 3HE-FBS-UDLBS1-UD20102-SG
  • Ultradyne UD Lightweight Buttstock, Low, Sniper Grey, UD20097-SG , MPN: UD20097-SG , UPC: 850011462447 , Code: 3HE-FBS-UDLBS1-UD20097-SG
  • Ultradyne UD Lightweight Buttstock, AR, Armor Black, UD20128-AB , MPN: UD20128-AB , UPC: 810140662798 , Code: 3HE-FBS-UDLBS1-UD20128-AB
  • Ultradyne UD Lightweight Buttstock, Low, Midnight Bronze, UD20097-MB , MPN: UD20097-MB , UPC: 850011462423 , Code: 3HE-FBS-UDLBS1-UD20097-MB
  • Ultradyne UD Lightweight Buttstock, Medium, Sniper Grey, UD20101-SG , MPN: UD20101-SG , UPC: 810140661869 , Code: 3HE-FBS-UDLBS1-UD20101-SG
  • Ultradyne UD Lightweight Buttstock, AR, Coyote Tan, UD20128-CT , MPN: UD20128-CT , UPC: 810140662880 , Code: 3HE-FBS-UDLBS1-UD20128-CT
  • Ultradyne UD Lightweight Buttstock, High, Midnight Bronze, UD20102-MB , MPN: UD20102-MB , UPC: 810140661951 , Code: 3HE-FBS-UDLBS1-UD20102-MB
  • Ultradyne UD Lightweight Buttstock, AR, Midnight Bronze, UD20128-MB , MPN: UD20128-MB , UPC: 810140662804 , Code: 3HE-FBS-UDLBS1-UD20128-MB
  • Ultradyne UD Lightweight Buttstock, AR, OD Green, UD20128-OG , MPN: UD20128-OG , UPC: 810140662873 , Code: 3HE-FBS-UDLBS1-UD20128-OG
  • Ultradyne UD Lightweight Buttstock, AR, Sniper Grey, UD20128-SG , MPN: UD20128-SG , UPC: 810140662828 , Code: 3HE-FBS-UDLBS1-UD20128-SG
  • Ultradyne UD Lightweight Buttstock, Medium, Midnight Bronze, UD20101-MB , MPN: UD20101-MB , UPC: 810140661845 , Code: 3HE-FBS-UDLBS1-UD20101-MB
Compare (0)
1 item has been added
Add at least two items to compare