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I have one sewed into my shooting vest only use it with the 500 Jeffery. It helps.

Lol! What a beautiful rifle.

Someone on another forum did a bunch of testing through water filled milk jugs seperated by plywood of various 375 H&H 300g bullets They included the 300g A-Frame, 300g Partition, 300g TSX and finally the 350g Woodleigh SP (before they came out with the HD SP). The A-Frame and TSX performed...

Well my most trusted rifle up until I bought my CZ 550 in 500 Jeffery was my Rem 700 BDL in 270 Win I bought in 1968. Hunted with it for 40 years until I gave it to my son. Killed over a dozen elk, way more deer and 9 bears with it. Never had a fail to function. Slid down a couple of Talus...

I have a 270 Weatherby in a Mark V (150g Partitions at 3200 fps), and a XCR II in 375 Weatherby (not 378, 300g A-Frames at 2800 fps) that weighs 7 1/2 lbs with scope. Neither have a brake. Both are absolutely fine as far as recoil is concerned and accurate too!

Looks good!

The brochure that came with my CZ 550 I bought about 10 years ago says the action is machined from a single piece of forged billet.

500 Jeffery. They don't get up.

I got a cow elk at 225 yards two years ago. Hit it once behind the shoulder, it didn't get up. 570g TSX passed clean through left a desert plate sized exit wound. I'm guessing the bullet expanded well.

270 Win Will kill anything on your list and more. Light recoil, hits hard down range.

I'll stick with my mild kicking 500 Jeffery lol.

Must buy 500 Jeffery Must buy 500 Jeffery lol!

Well I'm going to add to the BS. I bought a Rem XCR II in 375 H&H in the spring of 2011 for a brown bear hunt. It felt awful light. I weighed it on a postal scale. With a Leupold 2-7x Firedot scope on it, it only weighed 7 1/2 lbs. I thought "this is going to hurt!" Took it to the range...

For a non-bonded cup and core bullet, i find them better than Sierra (although they are amazingly accurate) or Hornady Interlocks. At high velocity close range they leave a lot to be desired. At moderate velocity (30-30 170g at 2100fps) they'er awesome.

I think the 257 Roberts is a lovely cartridge. If you're going to go up to 6.5mm why not just shoot the parent cartridge, the 7mm Mauser?

I have a Mark V in 270 Weatherby I bought used it's a great gun, a tad heavy and a Rem XCR II that weighs 7 1/2 lbs with scope lol in 375 Weatherby, a bit light. Both are great guns.

You have to send them a new empty case. There's instructions on the web site or call them. It's worth it.

I use the Lee Factory Crimp Die on all of my 500 Jeffery rounds. I believe it is a necessity. Before I got it I noticed rounds changing their OAL due to the recoil, not a good thing. Since I've begun crimping them with the Lee Factory Crimp Die, that problem no longer exists.

375 Weatherby is a much more sensible cartridge than the 378 Weatherby. A 300g A-Frame at 2800 fps is pretty much lights out for anything but elephant. A 350g solid at 2550 fps will out penentrate a 416 Rigby or 458 Win Mag.

I would measure with a dummy round how far you are from the lands. If you're 1/10" or more short of the lands you should be fine. With IMR 4895 seating the bullet a bit deeper and reducing your case capacity will only help not hurt.

Recoil while sporty loading 103g H4895 with a 570g bullet to 2300 fps is manageable (load is mid range from the book "Any Shot You Want"). My load getting the same bullet to 2510 fps using IMR 4350 was brutal. Recoil comparison: 570g TSX 103g H4895 2300 fps: 96.13 ft/lbs 570g TSX...

I bought a used Weatherby Mark V (Japan manufacture) about 7 years ago. It shoots 1/2" groups with Weatherby factory 150g Nosler Partitions at 3200 fps or so. Paid $800. No complaints.

I learned to shot rifle with a scope and always have had scoped rifles. At 1.5x it's faster for me to get on target, even in the brush at 10 yards than with irons. I do practice with irons just in case.

Nice I have a bullet puller that works with my 500 Jeff. I use a Lee Classic Press for my factory crimp die and my bullet puller (rarely need that anymore). I use Lee Turret Press for everything else, had it machined to take the larger dies, cost me $20. I know RCBS is higher quality, but...

My 500 Jeffery is scoped. The Leupold 1.5-5x has tons of eye relief. I won't shoot it prone though.

You mean they can't work from home?

I had Wayne at AHR do the CZ#1 upgrade on my 500 Jeffery right after Ed Plummer retired. It included: 3 Pos M70 type safety single stage match trigger straighten and fill the bolt handle Best $500 I ever spent.

500 Jeffery 570g TSX at 2300 fps Energy: 6694 Momentum: 187 Taylor KO: 95

I've always used this https://www.n4lcd.com/calc/

Kevin is my "local" gunsmith and does fine work. If Wayne recommends him as an installer I'm sure he will be wonderful.

I don't think anyone thinks a 500 NE with a 570g bullet at 2150 fps isn't a proper stopping rifle. I load my 500 Jeffery with the same bullet to 2300 fps only to keep my load density up. I'm sure at 2150 fps it would do any job asked of it.

Awesome. Thanks for all of the detail. I'm pretty sure the 1 in 9.25 twist barrel of my BDL will stabilize 175g lead core bullets but completely understand them not doing well with a mono bullet. I plan to finish sighting mine in and then shoot for groups at 100 yards and 300 yards. Fingers...

Nice! Haven't been, but we have plenty of elk here in Colorado. The 7mm Mag should be perfect.

Very excited about shooting and going hunting with my new to me BDL in 7mm Rem Mag :)

Thanks I'll chrono them after I get my rifle sighted in and shoot some groups. I'm guessing velocity around 2700 fps (CoreLokts seem to be lower than advertised) which would work well. My goal is to load some 175g A-Frames to 3000 fps. Not in a hurry though.

I bought five boxes of CoreLokt 175g at $35 box just to get used to my rifle and sight it in. Waitin for warmer weather. Plan to use the cases to reload, but in a pinch I'm sure they'll do for elk or deer.

I believe that when the 7mm Rem Mag was introduced 175g was the "goto" bullet. It might not stabilize monolithics well, but I think it's fine for A-Frames and the like.

I got my handload data straight out of "Any Shot You Want" Jamison brass, CCI Magnum primers, 570g TSX, 103g H4895. Chronographs out to 2300 fps. Very accurate, recoil is "sporty". I found a load in "Real Guns" using IMR 4350 that got the same bullet with no pressure signs up to 2510...

I haven't I got this bear with my Rem XCR II (stainless/TryNyte finish) in 375 H&H with a 300g A-Frame at 13 yards. Hit him perfectly but he stood up, took off into the brush and roared for like 3 minuutes. Went in after him and found him dead on the trail waiting for us. I hear sometimes...

Great bullets

I agree :) I got my 500 Jeffery for pure knockdown power, but placement is soo important. It's an old joke. My friend bought a 9mm (i shoot 45 and 45 Super). I told him if I want to make someone angry, I'll just insult them :)

35 Whelen is fine as long as you're just trying to make the animal angry...

No surprise, my CZ 550 in 500 Jeffery. Gorgeous, powerful, reliable and recoil is but a maiden's kiss ...

Anything below an elephant or a cape buffalo is a varmint when it comes to the 500 Jeffery :) I've killed a cow elk and a 450 lb feral pig with mine both qualify as varmints.

That's not what she said.

Yes no muzzle brake!

Since the CZ 550s are out of production, I wonder how long it will be before they achieve the same status as the BRNO ZKs ....

I had Wayne at AHR put the M70 type 3 pos safety on my CZ 550 as well as his single stage match trigger. Huge upgrades imo.

I agree with the CZ 550 being too big for the smaller calibers. I think it's a perfect fit for th 450 Rigby and the 500 Jeffery.

We admire your honesty otherwise great gun!