Another Weatherby wildcat, first introduced in the 1960s. This is the ultimate cartridge for long-range, big game hunting.
338-378 Weatherby Magnum
Rated 4.88 out of 5 based on 8 customer ratings(8 customer reviews)
$164.00 – $179.00
SKU: 338378 Category: Cartridges Tag: updated
Limit 5 items per customer per purchase.
Another Weatherby wildcat, first introduced in the 1960s. This is the ultimate cartridge for long-range, big game hunting. Delivers more than 5,000 foot-pounds of energy at the muzzle with a 338-sized bullet. Extremely powerful and flat shooting. Based upon the 378 case, necked down to 338. Reintroduced as a Weatherby production cartridge in 1998.
225 Grain Barnes TTSX, 250 Grain Nosler Partition, 225 Grain Barnes TSX, 262 Grain Hammer Custom
Jim Eisenhart –
Outstanding weapon! Bought mine in 2007 for a brown bear hunt on the Alaska Peninsula. First shot – Kill. 10’x10′. Acceleration is easily manageable with muzzle break and pad. Use it now for mule deer and elk in Colorado. I think you hear alot of other hunters doing there best to justify their decision not to buy the best…when secretly, they would rather have this rifle in this calibre! But I’m like my Canadian friends…just wish the ammo was more available! How do we make that happen?
Ed Moeglein –
Very accurate round thru my Mark V 225grn Zero @ 300 yds, 3 shots you an cover with a quarter!
Wish the ammunition was available, I sure would do a lot more shooting.
Saving my last 2 boxes for Hunting.
people often ask why I need a caliber so big. They ask what I plan on shooting with it. My answer is simple. Whatever I want at whatever distance I want. Great round. A true talking point as well.
The duke –
I fell in love with this caliber after owning a true. 378. More power than necessary, but performance to match. Would give 6 stars if I could.
Very good ammo in my Accumark. The 250 grain Nosler Partition as accurate and make a awesome job on big game. I shoot 3 big moose’s and all 3 stop right there, same thing on black bear. Like the other comment I just wish the ammunition was more attainable here in Canada
As a gunsmith, firearms dealer, and long range rifle builder of over 40 years, it is a pleasure to report our extensive field testing of the .338-.378 Wby Mag factory loads. Our rifle is an Unlimited Class 18 pound engineering masterpiece with 28 match barrel and PTG muzzle brake. We are consistently keeping this high performance shooter under 1/2 MOA throughout the full extreme ranges here in Western Washington. Job well done. And if you would like to try your skills at over 1/2 mile, this is THE caliber.
huntin howie –
Awesome up to 1500 yds. for bear, moose, elk, and more
I have owned a mark V in this caliber for over 5yrs now, extremely happy with its performance here in northern BC Canada. It has anchored the biggest game we have here. From Bear,Moose,Elk. Out beyond 1100yrds. I just wish the ammunition was more attainable here in Canada.