Home / Products / Magpul-Accessories / Magpul UBR 2.0 Utility/Battle Rifle Adjustable Carbine Stock Buffer Tube Included Fits AR15/M4/AR10/SR25 OD Green
Magpul UBR 2.0 Utility/Battle Rifle Adjustable Carbine Stock Buffer Tube Included Fits AR15/M4/AR10/SR25 OD Green

Magpul UBR 2.0 Utility/Battle Rifle Adjustable Carbine Stock Buffer Tube Included Fits AR15/M4/AR10/SR25 OD Green

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$183.25
MSRP
$183.25
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1 Stores
Updated
May 20, 2026
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Specifications

Description

The UBR GEN2 is an adjustable stock for the AR15/M4, designed to offer the same strength and stability as a fixed stock with a consistent and comfortable cheek weld in any position.An update of the revolutionary Utility/Battle Rifle (UBR) stock, the UBR GEN2 features a fixed cheek piece to provide a consistent cheek weld in any of its 9 positions, and is compatible with Carbine as well as A5-length buffer systems. Designed to accommodate large bore AR calibers and withstand severe impacts, the UBR GEN2 is nearly five ounces lighter while retaining all the durability its predecessor was legendary for. Comes standard with front and rear QD sling attachment points, two footman_s loops, the ergonomic MOE SL_ angled-toe rubber butt-pad, and customizable storage compartment.Made in U.S.A.FEATURES:Mounts on a durable custom Receiver Extension tube (included) to accommodate the common M4 carbine buffer and spring as well as aftermarket A5 buffer systems*Solid "fixed stock" lockup and consistent cheek weld in all positions9-Position LOP adjustabilityAdjustment lever requires only gross motor movement to operate yet the entire stock remains streamlined and anti-snagEnhanced lock mechanism with dual locking pawls for maximum drop strength and shock resistanceMulti-shell construction provides solid foundation and shields critical operating parts from penetration damageSloping cheek weld combines a slim profile with user comfortStorage Compartment in tail of stock is removable and the door is reversible for user preferenceRubber butt-pad offers an anti-slip surface and increases impact protectionRollover on the toe allows for easier shoulder transitions and better fit when using body armorSling MountsFront - QD swivel mount for ambidextrous one-point QD sling mountingLeft/Right Rear - Rotation-limited QD swivel sling mounts fit up to 1.5" push-button swivelsBottom - 1.25" sling loop (additonal loop accessible when Storage Compartment is removed)SPECIFICATIONS**UBR GEN2 Collapsible StockWeight, w/Receiver Extension: 21.3 oz.Length: 8.5-12.5 in.Width, max: 1.7 in.LOP Adjustment Range: 4.0 in.LOP, M4 Collapsed: ~11.6 in.LOP, M4 Extended: ~15.6 in.*The UBR GEN2 includes the required custom Receiver Extension tube, Buffer Spacer, and all mounting hardware. A carbine buffer and spring (M4 or SR25 length) or A5 buffer and spring are required for use with the UBR and are not included.**Specifications based on factory configuration.
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