Magpul UBR Gen 2 Collapsible Stock AR15/M4

The Magpul UBR GEN2 is a collapsible AR stock built around its own receiver extension, combining adjustable length of pull with a fixed cheek weld, fixed-stock stability and internal storage.

Features

• Fits AR-15 / M4 and AR-10 / SR-25 carbines and rifles
• Integrated custom A5/SR-25 length receiver extension included
• Accepts carbine buffers and springs or aftermarket A5 buffer systems
• Eight positions: seven adjustments plus fully collapsed
• Removable, reversible storage compartment
• Front and rear ambidextrous QD sling sockets
• One footman's loop, plus a second when the storage door is removed
• MOE SL angled-toe rubber butt-pad
• Dual locking pawls for drop strength and shock resistance
• Available in multiple colors
• Made in the USA

Specifications

• Overall length: 8.5 to 12.0 in.
• Height: 5.3 in. max
• Width: 1.7 in. max
• Weight: 18.8 oz. (21.3 oz. with receiver extension)
• Length of pull: approx. 11.3 in. collapsed to 14.8 in. extended (3.5 in. range)

Fits

• Small- and large-frame AR rifles: AR-15 / M4 and AR-10 / SR-25
• Requires a carbine buffer and spring (M4 or SR-25 length) or an A5 buffer and spring, not included

In the box

• (1) UBR GEN2 stock
• Custom receiver extension
• Buffer spacer
• Mounting hardware