MDT M-LOK Adjustable Thumb Rest

• Adjustable thumb position: The angle can be tuned to suit hand size, shooting style, and rifle setup, helping create a more natural support-hand position for steadier rifle control.
• Standard M-LOK fit: It mounts in any standard M-LOK slot, making it easy to place the thumb rest where it best supports positional shooting and repeatable hand placement.
• Aggressive molded texture: The textured surface gives the thumb a secure contact point, which helps maintain control when shooting from improvised supports or under recoil.
• Compact, low-mass design: At 0.32 oz and protruding 1", it adds a useful control point without noticeably increasing bulk on the rifle.
• High strength polymer construction: The polymer body keeps weight down while standing up to regular field and range use, making it a practical addition to precision rifle builds.

About the MDT Accessories Series

MDT Accessories sits alongside the company’s chassis and magazine lines as a practical extension of its precision-rifle ecosystem. The series is built around the idea that rifle performance is not shaped by the chassis alone, but also by the smaller contact points and tuning parts that affect balance, fit, and shooter interface. Within the range, MDT includes components for adjusting rifle setup, adding weight, and refining how the rifle handles in supported and positional shooting.

A defining trait of the series is its focus on modularity. The lineup includes M-LOK components, weight kits, magazine accessories, buttstock accessories, bolt knobs, hoods, and other small parts that let shooters tailor a rifle to a specific role. Some accessories are broadly compatible, while others are designed around particular MDT chassis or buttstocks. Across the range, the design philosophy is straightforward: add function without unnecessary complexity, and give precision shooters practical ways to improve rifle fit, control, and consistency in target shooting or hunting applications.

About the MDT M-LOK Adjustable Thumb Rest

The MDT M-LOK Adjustable Thumb Rest is a small rifle accessory with a clear purpose: it gives the support hand a repeatable index point that helps the rifle settle more consistently in position. On precision rifle setups, especially those used from barricades, bags, or other improvised supports, a stable hand position can make a noticeable difference in how well the rifle tracks and how easily the shooter rebuilds the same position from shot to shot. By adding a defined thumb contact point, this model helps reduce unnecessary hand movement and can make the rifle feel more planted during the shot.

Its main advantage is adjustability. Because it fits a standard M-LOK slot and allows angle adjustment, the thumb rest can be positioned to match different hand sizes, grip styles, and chassis layouts. That matters in practice because a support-hand accessory only works well when it fits the shooter’s natural posture rather than forcing one. The aggressive molded texture improves purchase, which is useful when shooting quickly between positions or when maintaining pressure on the rifle through recoil. Built from high strength polymer, it keeps added weight to a minimum, and its compact profile means it adds control without making the rifle cumbersome. For shooters refining a competition, target, or hunting rifle, it is a simple way to improve consistency at the point where the hand meets the gun.

About MDT

MDT Sporting Goods was established in 2009 and began in Chilliwack, British Columbia, Canada. The company designs, manufactures, and sells rifle chassis systems, magazines, buttstocks, and accessories for target shooting and hunting. MDT identifies the TAC21 as its first chassis, and that early focus on chassis design still defines the brand’s place in the precision-rifle market.

Today, MDT’s range includes chassis, stocks, magazines, bipods, scope bases, scope rings, and accessory components. The company states that its chassis, magazines, and accessories are developed with input from competitive precision shooters, which helps explain the practical, modular character of products like its M-LOK rifle accessories. With its head office still in British Columbia, Canada, MDT remains closely associated with precision rifle equipment built around fit, adjustability, and shooter control.

Main Features

• Manufacturer: MDT
• Series: MDT Accessories
• Accessory type: Thumb rest
• Accessories for: Rifles
• Attachment interface: Standard M-LOK slot
• Material: High strength polymer
• Weight: 0.32 oz
• Dimensions: Protrudes 1"
• Color: Black
• Made in: Canada

Warranty

2 years. MDT states a two-year warranty for this product, giving defined coverage in years rather than an open-ended warranty term.

In the Box

• MDT M-LOK Adjustable Thumb Rest
• All required installation hardware