Magnum Research MLR .22LR Switchbolt Rimfire Rifle — Ambidextrous Thumbhole Black Stock

Focus keyword: Magnum Research MLR .22LR

The Magnum Research MLR .22LR Switchbolt rimfire rifle with an ambidextrous thumbhole black stock brings a modern, lightweight rimfire platform to shooters who value comfort, control, and optic-ready performance. Built around a 17″ carbon barrel with a threaded muzzle and featuring ambidextrous controls, this MLR is purpose-built for small-game hunting, precision rimfire practice, and everyday range use. The thumbhole stock improves natural pointing and cheek weld while maintaining an ergonomic hold for both left- and right-handed shooters.

Key Features

• 17″ carbon barrel with threaded muzzle — lightweight and upgrade-ready
• Switchbolt action with ambidextrous bolt handle for smooth, reliable cycling
• Ambidextrous thumbhole black stock for improved ergonomics and control
• Integral scope base for secure optic mounting and consistent zero
• Compact, field-friendly overall length — 35-1/2″
• Lightweight design — 4.25 lbs for effortless carry
• Ships with one 10-round magazine for range-ready use

Product Specifications

Specification	Details
Caliber	.22LR
Barrel	17″ Carbon Barrel with Threaded Muzzle
Overall Length	35-1/2″
Weight	4.25 lbs
Sights	Integral Scope Base
Stock	Ambidextrous Thumbhole Black Stock
Magazine	One 10-Round
Action	Switchbolt Rimfire

Barrel & Performance

The 17″ carbon barrel on the Magnum Research MLR .22LR delivers a superb stiffness-to-weight ratio that helps stabilize barrel harmonics for tighter groups. Carbon-wrapped barrels dissipate heat more quickly than traditional barrels, which helps maintain consistent point-of-impact over extended strings of fire. The threaded muzzle allows quick attachment of rimfire suppressors, thread-on comps, or simple thread protectors — giving shooters immediate options to tailor noise signature and muzzle control.

Switchbolt Action & Controls

The switchbolt action is smooth, repeatable, and designed for reliable feeding and ejection with common .22LR loads. An ambidextrous bolt handle makes the MLR instantly comfortable for left- and right-handed users, speeding follow-up shots and reducing handling friction during rapid-fire drills. The action works seamlessly with the integral scope base to support low-profile optics that hold zero under normal field and range conditions.

Thumbhole Stock & Ergonomics

The ambidextrous thumbhole black stock provides an ergonomic, natural grip that improves pointing and cheek weld. Thumbhole stocks often enhance recoil control and muzzle discipline — useful even on low-recoil rimfire platforms when precision matters. This stock’s ambidextrous design and balance make the MLR comfortable for long range sessions or lengthy field carries, while the black finish keeps the look understated and versatile.

Who should buy the MLR .22LR?

The Magnum Research MLR .22LR is ideal for shooters looking for a lightweight, optic-ready rimfire rifle with modern materials and thoughtful ergonomics. Typical users include:

• Small-game hunters who need a nimble carry-weight and quick handling
• Target shooters and trainers seeking a predictable, repeatable rimfire platform
• Recreational shooters who want a reliable, easy-to-use rifle for plinking and practice
• Left- and right-handed shooters who benefit from ambidextrous controls

Buyer considerations — before you purchase

1. Thread pitch: If you plan to use a suppressor or muzzle device, confirm the barrel thread pitch with the dealer or manufacturer — rimfire thread standards can vary.
2. Ammunition testing: Try several brands and velocities of .22LR to find the load that performs best in your specific barrel; rimfire barrels can favor certain brands.
3. Extra magazines: The rifle ships with one 10-round magazine; adding spare magazines makes range sessions more efficient.
4. Optic choice: Low-power variable optics (1–6x or 2–7x) provide versatility for hunting and target work, while compact red dots are excellent for fast target acquisition and casual plinking.

What’s in the box

• Magnum Research MLR .22LR Switchbolt rifle — 17″ carbon barrel
• One 10-round magazine
• Owner’s manual and warranty information
• Thread protector (if included by factory)

Final thoughts

With its carbon barrel, ambidextrous switchbolt controls, and ergonomic thumbhole stock, the Magnum Research MLR .22LR is a thoughtfully designed rimfire rifle that balances precision, carryability, and shooter comfort. Whether you’re hunting small game, refining your rimfire marksmanship, or introducing a new shooter to the range, the MLR offers a modern, adaptable platform that performs in the field and on the bench.