Product Details
The UBR GEN2 Stock fits AR15/M4 and AR10/SR25 platforms and includes technologies that provide LOP adjustability combined with a fixed, consistent cheek weld, fixed stock stability, and extra storage. At the heart of the UBR GEN 2 is a custom receiver extension that provides the secure mounting that’s critical for stability and durability. Designed to handle big bore recoil and severe impacts, the UBR GEN2 is excellent for hard-use scenarios where flexibility and survivability are a must. Made in the USA. Features Fits carbines and rifles including AR15/M4 and AR10/SR25 Mounted on an integrated, durable, custom A5/SR25 Receiver Extension tube (included) to accommodate carbine buffers and springs as well as aftermarket A5 buffer systems The easily adjustable butt-stock provides fixed stock lockup and consistent, comfortable cheek weld in all eight of its positions Reversible, removable storage compartment holds batteries, small parts, and gear Front and rear integral, ambidextrous QD sling sockets support one- and two-point sling formats Includes one footman’s loop, and the removable storage compartment door reveals a second footman’s loop for more sling options MOE SL® angled-toe rubber butt-pad provides an anti-slip surface and increases impact protection. Rollover on the toe allows for easier shoulder transitions and better fit when using body armor. THE BEST OF ADJUSTABLE, FIXED AND STORAGE STOCKS Solid "fixed stock" lockup and consistent cheek weld in all positions. 7 adjustments plus fully collapsed for 8 total positions. Adjustment lever requires only gross motor movement to operate yet the entire stock remains streamlined and anti-snag INTEGRATED A5/SR-25 LENGTH BUFFER TUBE Mounts on a durable custom Receiver Extension tube (included) to accommodate carbine buffers and springs as well as aftermarket A5 buffer systems* EXTRA STORAGE Storage compartment in tail of stock is removable and the door is reversible for user preference NON-SLIP ANGLED RUBBER BUTT-PAD Rubber butt-pad offers an anti-slip surface and increases impact protection. Rollover on the toe allows for easier shoulder transitions and better fit when using body armor EFFICIENT CHEEK WELD Sloping cheek weld combines a slim profile with user comfort SLING MOUNT VARIETY Front - QD swivel mount for ambidextrous one-point QD sling mounting Left/Right Rear - Rotation-limited QD swivel sling mounts fit up to 1.5" push-button swivels Bottom - 1.25" sling loop (additional loop accessible when storage compartment is removed) RUGGED AND DEPENDABLE Enhanced lock mechanism with dual locking pawls for maximum drop strength and shock resistance. Multi-shell construction provides solid foundation and shields critical operating parts from penetration damage
Technical Specifications
| Collection |
Collapsible Storage AR Stocks |
| Platform |
AR10, AR15, M4, M16, M110, SR25 |
| Compatibility |
Any small or large frame AR* LOP, M4 Collapsed ~11.3 in. LOP, M4 Extended ~14.8 in. |
| LOP Adjustment Range |
3.5 in. |
| Length |
8.5-12.0 in. |
| Height |
, max 5.3 in. |
| Weight |
18.8 oz. |
| Weight, w/ receiver extension |
21.3 oz. |
| Width, max |
1.7 in. |
| Other Specs |
*NOTE: The UBR GEN2 includes the required custom Receiver Extension tube, Buffer Spacer, and all mounting hardware. A carbine buffer and spring (M4 or SR-25 length) or A5 buffer and spring are required for use with the UBR and are not included. Specifications based on factory configuration. |
Additional Resources
MAG482 UBR GEN2 Collapsible Stock Installation Instructions
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Compliance Notices