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What was the 5mm round intended for? JHP or SJHP?

2869 Views 12 Replies 8 Participants Last post by  Louie Heaton
I'm new to the 5mm round and I've been researching like crazy to get caught up on it's capabilities. Just acquired the gun last year and finally got it cleaned up and put back together recently. I'll be putting on a scope this week I hope and will be ready to put it to work soon.
Ok a couple questions...
1) what was this round meant for? i'm guessing varmints and coyotes mainly
2) what type of round would be preferred for coyotes, the JHP or SJHP? I ordered several boxes of both types of ammo but have a feeling i'll be using the JHP mainly...unless the SJHP is more accurate but I would assume they would be comparable.
Thanks!
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Coyotes would be big game to a 5mm. Better use it at close range and well placed shots. It will easily take down anything smaller than coyotes like racoons, badgers, ground hogs, jackrabbits. I think the SJHP would have better penetration on coyotes?
That's kinda what I was thinking, guess I'll do some playing around with it in the backyard and see what's it's capable of. I did a few test fires with it after I put it together and it does have a heck of a boom to it for a rimfire...should be fun:t
5mm can do what a .22WMR or a 17HMR can do. Some folks think it has more power than the other 2. Just no other options than Remington rifles. From my experience hunting Jackrabbits I think the 5mm hits them a little harder.
Makes sense, i think the 5mm would suit me fine where I live... Lots of trees around so a 100 shot would be a challenge with leaves on the trees. I've got a savage model 11 in .223 for the open areas beyond 200 yards.
Thanks for the comments
To give you an idea on penetration.... I have the Champion .22 pop-up metal targets.

At 50yds
.22- removes the paint
22mag- will leave a crater in the metal
5mm- will drill a clean hole straight through
Nice! Was that the shjp or the jhp ammo? I'm leaning towards stocking up on the jhp ammo rather than the sjhp... Seems like it would be more lethal in the field
I have only used the white box Centurion 30grain HP so far. But they look identical to the new box of Aguila 30gr SJHP setting on my bench.
I agree that the SJHP is probably best for coyotes (with proper shot placement). The JHP are great for blowing up small, to medium sized, colony varmints.
I'm new to the 5mm round and I've been researching like crazy to get caught up on it's capabilities. Just acquired the gun last year and finally got it cleaned up and put back together recently. I'll be putting on a scope this week I hope and will be ready to put it to work soon.
Ok a couple questions...
1) what was this round meant for? i'm guessing varmints and coyotes mainly
2) what type of round would be preferred for coyotes, the JHP or SJHP? I ordered several boxes of both types of ammo but have a feeling i'll be using the JHP mainly...unless the SJHP is more accurate but I would assume they would be comparable.
Thanks!
In my area back when the caliber was rolled out it was a better choice over 22 magnum for ground hogs.
The gap has narrowed a bit now since better bullets and more choices weight wose are available for 22 magnum.
5mm is balisticallly superior on paper as far as ballistic coefficiency and wind effects.
The round back when didn't garner a good liking overall due to being metric caliber. Americans the 7 mm magnum did a lot better interest wise later on.
Seems the 6.5 creedmore has huge interest. Lower recoil yet can run trajectory wise with the magnum. Hence the grand 300 magnum is for all practical purposes history.

The 6mm suffered too back when for same reasons as 5 mm did.
It is superior round to 243 Winchester, but folks just wouldn't bite on the metric caliber.
Younger generations are far more interested in metric calibers.
They are not looked upon as old balls like yesteryear.

Notice the 204 ruger was not deemed or called a 5mm.
I don't think this is no accident.
I think Hornady and ruger were afraid if they called it a 5mm it may have suffered with interest.
So far seems it is popular so maybe they did the right thing calling it a ruger 204.
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A few friends and or acquaintances, have shot several Coyotes and maybe a deer or so with the .17 HMR (smaller does), and I really don't ask about that. However, the dogs were claimed at 100 or so yards smaller as well, but have heard others shooting them closer and further.

After shooting and feeling the power of my 591, the HMR is in no comparison power wise.

Now that the new ammo is back out, I may continue with the plan to sleeve the barrel, trigger mod, or 541 trigger, 541 curved bolt back half, restock in a spare 541-S stock.
I've taken but 2 coyotes with my 17HMR, both rested broadside boiler room shots. The 50 yd one dropped and spun and got a quick followup with my Rem semi. The 80ish yd one dropped like a rock both shot with the semi-jacketed 20 grn slug. I've also put down a car wounded deer with one in the neck at the base of the skull Hoffa style. Edible snowshoe hares need headshots and it'll still be messy as the head explodes quite nicely.
I'd have no qualms shooting a coyote with the 5MM which slightly exceeded the 17WSM in my ballistic clay testing with old 5MM ammo. I would not want to take one of either to the chest myself, thats for sure.
Huskaboom, T/C made a run of contender bull bbls chambered in 5mm, they have a sweet trigger compared to the 591's and 92's that I have owned, Haven't fine tuned the T/C yet, but I completely took a dove's head off at 50 yards with it, I haven't tried any of my small remaining stash of the original Remington ammo in it, but the original stuff is more consistent than the first run of Aguila stuff. So you might be able to find a Contender bbl, they sure have a sweet trigger compared to the Remington rifles....
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