Quick Look

The Magpul UBR (Utility Battle Rifle) stock was introduced as a versatile, adjustable rifle stock designed to improve shooter comfort and accuracy. Its robust polymer and aluminum construction offer durability and adaptability for various rifles. The UBR remains popular among tactical shooters and marksmen seeking a reliable upgrade for their AR platforms.

Why It's a Top Choice

• Strong, lightweight composite and aluminum build
• Adjustable length of pull and cheek riser height
• Quick-detach sling swivel socket included
• Designed for AR-15 and compatible platforms
• Broad aftermarket support and parts availability

Key Variants

Magpul UBR Gen 2

Latest version with enhanced adjustability and durability for tactical and competition use.

Magpul UBR Original

Initial release offering modularity and strength, favored by early adopters.

Competitor Comparison Table

Feature	Magpul UBR	Luth-AR MBA-1	Mission First Tactical BRM
MSRP	$280	$340	$160
Weight	Approx. 1.9 lbs	Approx. 1.5 lbs	Approx. 0.9 lbs
Adjustability	Length & cheek riser	Length only	Length only
Sling Mounts	Quick detach included	QDs optional	QDs optional
Notable Pro	Robust and highly adjustable	Lighter weight	Lower cost
Notable Con	Higher price point	Less cheek adjustment	Less durable materials

Best Use Cases

• Tactical and duty rifles needing modular stock
• Competition shooting requiring quick adjustability
• Precision marksmanship with cheek riser support
• Range practice with adaptable length of pull
• Custom rifle builds needing durable components

FAQs

Can I install the Magpul UBR on any AR platform?

The UBR is compatible with Mil-Spec AR-15 buffer tubes but may not fit commercial-spec rifles without modification.

What materials make up the Magpul UBR stock?

It combines reinforced polymer with aluminum rails for strength, durability, and reduced weight.

How does the cheek riser adjustment work on the UBR?

The cheek riser adjusts vertically in three positions to enhance sight alignment and comfort.