Magpul UBR Gen 2 Adjustable Stock AR-15/M4 FDE
Magpul Industries
$189.95
(No reviews yet)
Write a Review
Magpul Industries
Magpul UBR Gen 2 Adjustable Stock AR-15/M4 FDE
The Magpul UBR Gen 2 Adjustable Stock in Flat Dark Earth (FDE) delivers the rock-solid feel of a fixed stock with the versatility of an eight-position adjustable design, purpose-built for AR-15/M4 and AR-10/SR-25 platforms demanding the highest level of durability and ergonomics.
- Eight-position adjustment with fixed cheek piece for a consistent cheek weld
- Compatible with Carbine, A5, and SR-25 length buffer tube systems
- Nearly five ounces lighter than the original UBR without sacrificing strength
- Reinforced construction handles large-bore AR calibers and severe impacts
- Front and rear QD sling attachment points plus two footman's loops included
- Includes ergonomic MOE SL angled-toe rubber butt-pad and customizable storage compartment
Who This Is For
The Magpul UBR Gen 2 is ideal for serious AR-15 and AR-10 owners who refuse to compromise between the stability of a fixed stock and the adaptability of a collapsible one — including competitive shooters, hunters running large-bore calibers, and professional users who need a reliable, consistent platform under demanding conditions. The FDE finish pairs seamlessly with desert or coyote-toned builds.
Specifications
| Brand | Magpul Industries |
|---|---|
| Model | UBR Gen 2 |
| Color / Finish | Flat Dark Earth (FDE) |
| Compatible Platforms | AR-15/M4, AR-10/SR-25 |
| Buffer System Compatibility | Carbine, A5, SR-25 |
| Adjustment Positions | 8 |
| Weight | Approx. 20.8 oz |
| Sling Attachments | Front & Rear QD, Two Footman's Loops |
| Butt-Pad | MOE SL Angled-Toe Rubber |
| Storage | Customizable Internal Compartment |
| Country of Origin | USA |
Frequently Asked Questions
What buffer tube does the Magpul UBR Gen 2 use — does it replace my existing tube?
The UBR Gen 2 includes its own proprietary buffer tube as part of the stock assembly, so it does not use a standard mil-spec or commercial carbine buffer tube. The stock ships with the tube integrated into the design, and it is compatible with Carbine, A5, and SR-25 length buffer systems. Be sure to verify which buffer weight and spring are appropriate for your specific build when installing.
Is the UBR Gen 2 suitable for large-bore AR calibers like .308 or 6.5 Creedmoor?
Yes. The UBR Gen 2 was specifically engineered to handle the increased recoil and stress associated with large-bore AR calibers, including .308 Winchester and 6.5 Creedmoor on AR-10/SR-25 pattern rifles. Its reinforced polymer and steel construction is designed to absorb severe impacts while maintaining consistent fit and function across extended use.
How does the UBR Gen 2 compare to a standard collapsible carbine stock in terms of stability?
The UBR Gen 2 is engineered to minimize the wobble and play commonly associated with standard mil-spec carbine stocks. Its internal locking mechanism and robust construction provide a level of rigidity that closely rivals a traditional fixed stock, while still offering eight length-of-pull positions. This makes it a popular upgrade for shooters who want adjustability without sacrificing the solid feel needed for precision work.
