6.5-300 Weatherby Ammo
(15)
WEATHERBY SELECT PLUS
Brand:
Weatherby
Bullet Type:
Long Range X Boat Tail
Caliber:
6.5-300 Weatherby Magnum
Grains:
127 grain
Rounds:
20
From:
$65.95
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18
(0)
Wby Ammo 6.5-300 Weatherby Mag - 140gr. Hornady Interlock 20-pk
Brand:
Weatherby
Bullet Type:
Interlock
Caliber:
6.5-300 Weatherby Magnum
Capacity:
20
Finish Per Color:
Brass
Grains:
140 grain
From:
$59.79
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14
(0)
Weatherby Select Plus Brass 6.5-300 Wby. Mag 129 Grain 20-Rounds Hammer Custom
Brand:
Weatherby
Bullet Type:
Hammer Custom
Caliber:
6.5-300 Weatherby Magnum
Capacity:
20
Finish Per Color:
Brass
Grains:
129 grain
(0)
Weatherby Ammo 6.5-300 MAG 140Gr. Swift A-Frame F653140AF
Brand:
Weatherby
Bullet Type:
Swift A-Frame
Caliber:
6.5-300 Weatherby Magnum
Grains:
140 grain
Rounds:
20
(0)
Weatherby 6.5-300 Weatherby Magnum 140gr Soft Point, 20rd Box
Brand:
Weatherby
Caliber:
6.5-300 Weatherby Magnum
Rounds:
20
(0)
Weatherby 6.5-300 Weatherby Magnum 140gr Hunting, Very Low Drag, 20rd Box
Brand:
Weatherby
Bullet Type:
Very Low Drag
Caliber:
6.5-300 Weatherby Magnum
Grains:
140 grain
Rounds:
20
Marketplace Insights
★ 4.7/5
based on 77 customer reviews across 77 variants from 28 retailers
Outstanding rifle praised for exceptional accuracy and long-range performance, though some ammo availability concerns exist for specialty calibers.
What customers like
Exceptional Accuracy71%
Superior quality, aesthetically pleasing, extremely accurate at long distances.
Long-Range Performance42%
500-600 yard shots on deer are no challenge, with the 127 gr LRX.
Quality & Design26%
The Mark V Carbonmark, in 300 Wby Mag, is an amazing firearm!
Value for Price16%
For the price a no brainer.great looking and nice shooting.
Out-of-Box Performance14%
Out of the box this Weatherby is as solid as any custom rifle i have shot.
Common concerns
Ammo Availability Issues13%
At this time I can only give it one star as I have not been able to shoot the rifle
Condition/Quality Control7%
upon opening the case there were marks, dents and scratches in the wood
Load Data Availability3%
load info is hard to find. factory ammo like all weatherby ammo is way overpriced.
Frequently Asked Questions
6.5-300 Weatherby Ammo
What is the effective range of a 6.5-300 Weatherby Magnum?
For hunting elk and larger game, most shooters consider 400–600 yards practical with proper skill and wind reading. For target shooting, the cartridge's high velocity supports shots beyond 1,000 yards with appropriate equipment. Effective range ultimately depends on shooter skill, conditions, and accuracy standards.
How much recoil does a 6.5-300 Weatherby have?
In an 8-pound rifle without a muzzle brake, the 6.5-300 Weatherby generates roughly 25-28 ft-lbs of recoil energy, similar to a 7mm Remington Magnum. A muzzle brake can cut that significantly, bringing felt recoil closer to a .243 Winchester.
What is the barrel life of a 6.5-300 Weatherby?
Barrel life for a 6.5-300 Weatherby typically ranges 500–1,500 rounds. This extreme overbore cartridge runs very hot, eroding throats faster than standard magnums like the 300 Weatherby or 264 Win Mag. Shooting frequency, load intensity, and barrel cooling between shots all affect longevity significantly.
What caliber is a 6.5-300 Weatherby?
6.5-300 Weatherby Magnum is a 6.5mm (.264 caliber) cartridge. Weatherby necked down a 300 Weatherby Magnum case from 30 caliber to 6.5mm, creating the fastest commercially produced 6.5mm round, driving a 140-grain bullet to approximately 3,275 fps.
Is 6.5-300 Weatherby good for elk?
Yes, the 6.5-300 Weatherby is effective for elk. Pushing 6.5mm bullets past 3,400 fps, it delivers substantial energy at long range. While many hunters prefer larger calibers, proper shot placement with quality controlled-expansion bullets makes it a capable elk cartridge within reasonable distances.
What powder for 6.5-300 weatherby?
H1000 is the top choice for the 6.5-300 Weatherby—slow-burning, temperature stable, and proven in large magnums. IMR-7828 and US869 also work well. Always start with published load data for your bullet weight and work up carefully to find your accuracy node.
What is the velocity of a 6.5-300 Weatherby Magnum?
Muzzle velocity for the 6.5-300 Weatherby Magnum ranges from approximately 3,400 to 3,500 fps depending on bullet weight. Lighter 127-grain bullets exceed 3,500 fps, while 140-grain rounds run near 3,400 fps. Actual velocity varies with powder charge and barrel length.
How much is the 6.5-300 Weatherby rifle?
Weatherby rifles chambered in 6.5-300 Weatherby Magnum range widely in price. Vanguard models start as low as around $623, while the Mark V Apex reaches $2,799.99. The Mark V commands higher prices than the Vanguard. Used examples can be found for less, sometimes under $1,000 depending on condition.
Who makes a 6.5 300 Weatherby?
Weatherby manufactures rifles chambered in 6.5-300 Weatherby Magnum. Available models include the Mark V Accumark, Mark V Deluxe, Ultra Lightweight, Mark V Apex, and Vanguard Wilderness. The Mark V Apex is priced at $2,799.99, with other variants available through various retailers at differing price points.
When did the 6.5-300 Weatherby come out?
Weatherby introduced the 6.5-300 Weatherby Magnum in late 2016. It was developed to exceed the velocity of the 26 Nosler, making it one of the fastest 6.5mm cartridges available for long-range shooting.