MAGPUL UBR Stock for AR-15/M16

MAGPUL UBR Stock for AR-15/M16

MAGPUL UBR Collapsible AR-15 Stock

Are you tired of your weak, typical AR15/M16 buttstock? Perhaps it is time for a change. A stock is extremely important when it comes to weapon stability and to the comfort of using such a sophisticated and large rifle. Rifles like the AR15/M16 are extremely prone to slipping and to become damaged from the immense recoil. A good buttstock can improve all that simply through superior design and sturdier construction.

Magpul designs only the cream of the crop when it comes to weapon stocks. The UBR is one of those top notch Magpul products, which you should seriously consider buying if you’re the proud owner of an AR15/M16 rifle. It is a collapsible, adjustable buttstock, which only need simple motor movements to adjust. It features 7 different LOP adjustments, which keep the weapon streamlined and prevents any snagging. The durable multiplate construction and the strong locking system allow for a stronger, better stock, which can take more recoil than your average stock.

If you are one who likes to place quite a few accessories on the muzzle, then the UBR will offer you one more service with its counterbalance weight, which it owes to its stout construction. Any weapon carrying lots of accessories on the front (sights, NVDs etc) will have superior balance thank to the UBR stock.

There are optional components like sling mounts and metal strike plates, which help to customize your weapon for any type of operation you might need them for. The stock comes with a typical rubber butt-pad that helps with the steadiness of the weapon, even if the operator wears armor or any other smooth equipment on the shoulder.

Here are the UBR’s features in a nutshell:

  • The receiver extension tube it mounts on is included in the order and accommodates the M4 buffer and spring.
  • It allows seven different LOP adjustment.
  • No matter the adjustment the weapon remains streamlined and prevents snagging, thanks to the adjustment lever, which can be easily turned with simple motor movements.
  • Allows for strong “fixed” lockup, consisted with cheek weld positions.
  • The strong lock mechanism increases durability, through drop strength and shock resistance.
  • The removable rubber butt-pad allows for strong friction with the shoulder, preventing slippage even when the operator wears armor.
  • There is a storage compartment in the tail, which can be easily removed at will.
  • Sling mounts that allow both a push-button swivel and a 1.25” sling loop to be adjusted onto the weapon depending on need.
  • The stock is extremely comfortable to use, with its superior customization features
Optional Accessories*
  • Extended Rubber Butt-Pad, 0.55"
  • Enhanced Rubber Butt-Pad, 0.70"
  • Aluminum Strike Plate w/ 1.25" sling loop
  • Dual-side push-button QD Swivel Sling Mounts
  • UBR Collapsible Butt Stock
    • Weight: 1.46 lb.
    • Weight, w/ Entry Receiver Extension: 1.63 lb.
    • Length, Stock: 8.00-11.36 in.
    • LOP Adjustment: 7-Position (0.56 in. / position)
    • LOP Adjustment Range: 3.36 in.
    • LOP, Collapsed (M4/M16): 11.10 in.
    • LOP, Extended (M4/M16): 14.46 in.
NOTE: The UBR includes the necessary Entry-Length Receiver Extension tube and all mounting hardware. An M4 carbine buffer and spring are required for use with the UBR and are not included.
7.62x51 ARs may require the use of a custom short buffer and spring.

*Standard Rubber Butt-Pad, 0.30" weight: 0.08 lb. Optional Extended Rubber Butt-Pad, 0.55" weight: 0.11 lb. Optional Enhanced Butt-Pad, 0.70" weight: 0.13 lb.

**Specifications based on factory configuration


(average out of 266 votes: 3.4 stars)

Customer Reviews

If you have the extra $$$ this is a very comfortable, easy to install and good looking stock. The additional accessories and customizable options just make it better. I had hoped Magpul would have included at least one push button sling swivels but they are inexpensive. Magpul makes great products here in the USA.

MSP Code: MAG-330
Price: $251.75

(average out of 266 votes: 3.4 stars)

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