Description
There is a reason the mountain hunting crowd keeps coming back to the Mark V Weathermark LT. At 5.9 pounds bare, this rifle disappears on your pack frame, but it still carries Weatherby's sub-MOA guarantee: a three-shot group of .99 inches or better at 100 yards from a cold barrel with Weatherby factory or premium ammo. That combination of light weight and repeatable accuracy is exactly what you want when the shot presents itself across a canyon after three days of hiking.
Built Around the 6.5 Weatherby RPM
This chambering deserves some attention. The 6.5 RPM (Rebated Precision Magnum) was designed specifically for Weatherby's slimmer six-lug Mark V action, pushing high-BC 6.5mm bullets fast enough for legitimate long-range work while keeping recoil manageable in a light rifle. The 24 inch #1 contour fluted barrel wears a 1:8 twist to stabilize the heavy-for-caliber bullets that make this cartridge shine on elk, mule deer, and antelope at distance, and the factory-installed Accubrake takes the sting out of shooting a sub-6-pound rifle.
Weathermark LT Details That Matter in the Field
The stock is a hand-laid Monte Carlo fiberglass unit in green with flat dark earth speckle, and it houses aluminum bedding blocks that keep the action seated the same way shot after shot, season after season. Every piece of exposed metal wears flat dark earth Cerakote, so rain, snow, and sweaty pack straps are not going to eat at your finish. The spiral fluted bolt trims a little more weight and runs smooth on the classic 54-degree Mark V bolt throw, which gets you back on target quicker and keeps your knuckles clear of the scope.
Feeding the Mark V Weathermark LT
Capacity is 4+1 through an internal magazine, and the receiver comes drilled and tapped so mounting glass is straightforward. Overall length runs 46.625 inches, a nice balance of handiness and the barrel length the RPM needs to reach its velocity potential. For a do-it-all western hunting rig that will not wear you out on the climb, this one checks the right boxes.
Key Specifications
- Manufacturer: Weatherby
- Manufacturer Part Number: MWL01N65RWR6B
- UPC: 747115440702
- Action: Bolt Action (6-Lug Mark V)
- Caliber: 6.5 Weatherby RPM
- Barrel Length: 24 in. #1 Contour, Fluted
- Twist Rate: 1:8
- Capacity: 4 + 1
- Muzzle Device: Accubrake
- Stock: Hand-Laid Monte Carlo Fiberglass, Green with FDE Speckle
- Bedding: Aluminum Bedding Blocks
- Metal Finish: Flat Dark Earth Cerakote
- Overall Length: 46.625 in.
- Weight: 5.9 lbs
- Optics Mounting: Receiver Drilled and Tapped
- Accuracy Guarantee: Sub-MOA (3-shot group of .99 in. or less at 100 yards)
What’s Included
- Weatherby Mark V Weathermark LT rifle
- Accubrake muzzle brake (installed)
- Owner's manual
Frequently Asked Questions
What is the 6.5 Weatherby RPM and how does it compare to 6.5 Creedmoor?
The 6.5 RPM (Rebated Precision Magnum) is Weatherby's answer to hunters wanting more horsepower from a 6.5mm without stepping up to a full magnum action. It launches the same high-BC bullets several hundred feet per second faster than a 6.5 Creedmoor, which flattens trajectory and extends your effective hunting range. It was purpose-built for the slim six-lug Mark V action, which is a big part of why this rifle stays under 6 pounds.
Does the Weathermark LT come with an accuracy guarantee?
Yes. Like all Mark V rifles, it carries Weatherby's sub-MOA guarantee, meaning a three-shot group of .99 inches or less at 100 yards from a cold barrel when fed Weatherby factory or premium ammunition. The hand-laid fiberglass stock with aluminum bedding blocks does a lot of the work keeping that accuracy consistent from shot to shot.
How much does the Mark V Weathermark LT weigh, and is it a good mountain rifle?
This configuration weighs 5.9 pounds bare, which puts it firmly in lightweight mountain rifle territory. The fluted #1 contour barrel and spiral fluted bolt trim weight where it counts, while the full Cerakote finish shrugs off wet weather. It was designed exactly for backpack hunts where every ounce matters.
Does this rifle have a muzzle brake, and how is the recoil?
It ships with Weatherby's Accubrake installed, which noticeably tames the recoil you would expect from a magnum-class cartridge in a sub-6-pound rifle. With the brake on, the 6.5 RPM is pleasant to shoot for most hunters. Just remember braked rifles are loud, so ear protection at the range is a must.





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