Picking the right Creedmoor cartridge.

I'd suggest having a look at this post on the NZ Hunting Shooting Forum - https://www.nzhuntingandshooting.co.nz/f100/6gt-110425/ . It is a carefully researched article on the 6mm GT, kinda similar to the 6CM. I have seen the OP shooting and he certainly knows how to shoot, and he certainly knows how to research and verify his data. A 6mm CM or other 6mm variant's are very capable of taking game ethically out to 500. Particularly with the new heavier high BC bullets that are available. However the shooter has to play his part, know his limitations, know his data, know how to call shots in nasty weather etc etc.
If it was me, I'd be picking the bullet weight I prefer to use to harvest game at the ranges I am comfortable shooting at. Then I would find the highest BC bullet of that weight, be it 22, 25, 6mm, or 6.5mm. Decide on what case I need to send that projectile at the speeds I want, without driving it at max. Then I would build a rifle to take that bullet case combination, and a fast twist barrel to make it all work. In the case of the 6CM, that would be a 1-7.5 twist.
 
Northern Shooter said:
I've been scouring the forums for a thread that compares all 4 of the Creedmoor cartridges and didn't come across one.

I'm looking for a lightweight, smallbore caliber for my next hunting rig and think I may actually jump on the Creedmoor train.

I'm familiar with the 6.5 but have been reading into the 22, 25 and 6mm lately as comparison.

Looking for a short action, small bore hunting cartridge with minimal recoil set up for medium sized game. Something that will be good for goat, sheep, deer, pronghorn etc out to say 500m. Ideally suited for a shorter ~20" barrel.

For those that jumped on one of the other 3, how do they stack up against the 6.5? The 6.5 Creedmoor is likely the easy button here as rifle and ammo availability is the greatest, however I am interested to hear the argument for the other 3. What do they offer over the 6.5?

The 25 seems to match the 6.5's ballistics with less recoil, however ammo availability seems to be limited. I'm not seeing many rifles chambered for this cartridge.

22 Creedmoor ammo and rifles also seem limited. Is this more of a varmint round vs a deer cartridge? It's velocity leads me to believe coyote round.

Is the 6mm the sweet spot in terms of ballistics, cost and recoil? I've seen videos of this taking elk and moose. What do you think?
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I've got 2, a 6.5 Creed & just recently picked up the 6mm Creed. My 6.5 turned into a hobby long range target rifle, took lots of deer & coyotes with it. I load all that ammo myself.

The 6mm Creed I just picked up is really fun to shoot, very accurate, low recoil & ammo was so cheap I decided to buy 3 cases of it. 😆

For what you plan to use it for, between these 2 I would say go for the 6mm Creed.
 
hawk-i said:
I'm thinking probably go with the 22 CM and then the 6 CM later. :unsure: (y)
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I picked up a Montana 7/08 with the intent of building a 22 Creed, and then a 6.5 Creed Montana fell in my lap and I was going to build a 6 Creed on that, but made the mistake of shooting the donor.

Once the 22 Creed was built and I started killing stuff with it I didn’t need a 6 Creed. Or a 6.5 Creed….
 
KodiakHntr said:
I picked up a Montana 7/08 with the intent of building a 22 Creed, and then a 6.5 Creed Montana fell in my lap and I was going to build a 6 Creed on that, but made the mistake of shooting the donor.

Once the 22 Creed was built and I started killing stuff with it I didn’t need a 6 Creed. Or a 6.5 Creed….
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I've got a Kimber Montana in 6.5 Creedmoor too. Great rifle!
 
I own a 22cm (since 2019), two 6cm and three 6.5cm

If a guy is buying a factory rifle, go 6.5 Creed all day long

They're all really good, the 25 Creed is likely the best of the bunch and there's no shortage of good bullets now with new heavy 25 cal bullets coming in 2026 from Barnes and Sierra
 
Have fun with all your new stuff. Tomorrow morning I'm going out with my Tikka 6.5x55. I have 120 grain ttsx going 3000. The recoil is still mild and the accuracy is pretty good. People are trying to reinvent the wheel but they're just making different size wheels. People used to put a lot of thought into any cartridge that made it into use. Now it's all about a magazine marketing campaign or something. Saying that, I hope the 22 creedmoor becomes a real normal thing because I kind of like that one. I make my own 410 shells out of 7.3x74r cartridges and I'm down for fireforming and making my own shells out of other things, but I'm not really down with companies having to come up with a new cartridge every year just because. I do understand the 450 Marlin for people that don't reload for 45/70 and I understand the 6.5 Creed for people who don't reload for this Swede. It's just getting silly how many cartridges there are and they only do about 4 basic things.
 
I'd go 6.5 Creedmoor. Shot this deer at 630m with my 20" Hardy carbon barrelled Remmy. 2707fps with 140 ELDM. Shot another at 614m with 143 ELDX also with good expansion. A friend shot 6 deer with this rifle this week, longest at 425m. They do work well.

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I would pick the type of bullet that I wanted to use and then choose the cartridge that launched it at a velocity that made the bullet work properly at the distance that I wanted to shoot.

There are now videos of pretty much every bullet hitting gel at all velocities. Don’t listen to the manufacturer, a few of them are over exaggerating bullet performance.
 
I have a 6cm custom from insite arms strictly a bench / long range gun as it weights in over 19 lbs, with 105gr lapua scenar or 105 barnes match burners and IMR4350 it will shoot tiny little bug holes, I have had it out to 1410 yards but it get's a bit tricky after 1000 is there is any wind, the range I shoot at has a coyote silhouette at 610 yards and it's almost boring shooting it.
I have tried almost every factory offering available and haven't found anything that it won't shoot good. Hornady 103 ELDX and 108 ELDM Barnes 95 gr LRX and 112 gr match burners will all shoot well under and inch groups but the 87gr Vmax and 95gr black HPBT not as good but still average about an inch at 100 yards 5 shot groups.
I have a couple spots where I can set up for calling but it to heavy to pack far, my longest kill so far is a coyote at 724 yards with the handloaded105 scenars, it's just fun to shoot and easy to load, I am looking at getting another one in a lighter rifle to use when calling coyotes, the 22cm and 25cm have tweaked my interest a bit so may move to one of them for coyotes, a friend of mine is putting together a 25cm as we speak, I have piles of 6cm brass that can easily be resized for either.
 
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