An overview, installation, and range demo of the Magpul UBR Collapsible Stock.
Magpul UBR Collapsible Stock:
- Features:
- Mounts on durable Entry-Length Receiver Extension tube (included) to accommodate the common M4 carbine buffer and spring
- 7-Position LOP adjustability with customizable preset system for fast access to preferred length
- Adjustment lever requires only gross motor movement to operate yet the entire stock remains streamlined and anti-snag
- Solid “fixed stock” lockup and consistent cheek weld in all positions
- Enhanced lock mechanism w/ internal impact buffer increases drop strength and shock resistance
- Multi-shell construction provides solid foundation and shields critical operating parts from penetration damage
- Sloping cheek weld combines a slim profile with user comfort
- Stout construction provides counterbalance weight for improved weapon balance and handling
- Storage compartment in tail of stock is removable and the door is reversible for user preference
- Removable 0.30″ Rubber Butt-Pad offers an anti-slip surface and increased impact protection
- Sling Mounts
- Front/Rear – Reversible QD swivel sling mounts fit up to 1.5″ push-button swivels (swivel not included)
- Bottom – 1.25″ sling loop
- 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
- Specifications:
- 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.