22 Creedmoor | Development and Performance

0

As soon as any new cartridge hits the mainstream market, handloaders start tinkering with it, making wildcat variations. The now super popular Hornady 6.5 Creedmoor case is no exception to that rule. The first of those wildcats to make it to the big league was the 6mm CM, but there’s another one that quickly gained widespread popularity: the 22 Creedmoor, aka 22 Creed.

The 22 CM began as a wildcat cartridge, but the ever-more popular caliber quickly gained a following thanks to its outstanding performance and now has factory support.

Revisiting the 22 CM: No longer a Wildcat! This article originally ran during the summer of 2020, before SAAMI recognized the 22 Creed. If you’ve had any opinion-making experiences since then, especially now that it’s SAAMI recognized and far more common, let us know in the comments below!

I have rifles chambered in both 6.5 and 6mm Creedmoor (CM), but the 22 CM captured my attention. I first heard of it from a friend who said the 22 CM came in the top 3 in a first-round hit capability study he had read.

Well, I’m always a bit skeptical of studies and statistics since they can easily be swayed depending on what is included or excluded in the study or how the study process is conducted. However, after running basic ballistic numbers on the 22 Creed, my interest was piqued.

Three siblings: the 6.5, 6mm, and 22 caliber Creeds; the little brother may be the best performer.
6.5 CM, 6mm CM, and 22 CM, the little brother may be the best performer.

The 22 CM has been making waves in predator hunting and varmint hunting circles since before 2014 and has gained popularity since. A rapid increase in popularity of the cartridge led to widespread industry support, with brass, dies, and ammunition on the market.

22 Creedmoor Cartridge Development

Check out what SAAMI has to say about it.

Based on the 6.5 CM cartridge case, the 22 CM runs in short-action rifles and feeds smoothly from SA magazines produced by many manufacturers. The only thing needed is a fast-twist barrel to stabilize the long, high BC bullets: 1 x 7 – 7.5 twist.

I had a rifle built by Meredith Rifles, using a Defiance action, Bartlein barrel, Manners stock and Nightforce scope. The first rounds I loaded were made by necking down readily available 6mm CM cases before 22 Creedmoor head-stamped brass was available.

The process for making that brass was easy enough, but still, somewhat time-consuming. The good news is that Hornady, Peterson, Gunwerks, Atlas Development Group (ADG) and Alpha Munitions are all selling factory brass now, so no more necking down the 6 CM for me. 

Similarly, there are no big-name ammunition companies loading for the 22 CM (as of this writing), but there are several smaller companies offering ammunition, so you don’t have to reload at all. Cooper Creek, Gunwerks, and Spark Munitions have a variety of offerings depending on what purpose you have for the gun.

Cartridge cases, components, and tools for the little varmint hunting round.
Need casings? 22 Creedmoor brass and other supplies have become increasingly available for handloaders. This original photo focused on Hornady, but Derk Peterson’s eponymous Peterson Cartridge, Little Crow Gunworks, and others continue to expand support for the 22 Creedmoor cartridge.

The available ammunition is priced in line with high-quality hunting and match ammunition, which is taking the 22 CM a step beyond the realm of a wildcat requiring hand-loading, and getting closer to that of being a factory product.

Specs

Bullet diameter                       .224

Shoulder angle                        30 degrees

Shoulder diameter                  .462

Rim diameter                          .468

Case length                             1.92 inches

Primer type                             Large and small

22 Creedmoor Ballistics: the Big Picture

The performance of the 22 CM with 75 – 80 grain bullets makes it an outstanding varmint cartridge. I’ve seen claims of 80 grain Bergers @ 3500 fps out of 26” barrels, which would be devastating on any varmint. Loaded ammunition is available with bullets in the 70-75 range leaving 24” barrels at velocities around 3400+ fps, a bit more conservative than personal hand-loading, but still making it a very flat shooting, low recoiling round delivering impressive results.

Part of the beauty of the 22 CM is that it shoots standard .224 caliber bullets, which are available almost everywhere for hand-loaders and cost less than larger caliber bullets. The heavier bullets used in the 22 CM range from 75 to 95 grains. 

Bullets from Copper Creek Cartridge Company
Popular 22 CM bullets include 95 grain SierraMatch King, and Hornady 88, 80 and 75 grain 

With a wide selection of bullets and factory brass available, all that’s needed is reloading dies to put it all together, and with reloading dies now available from major sources such as RCBS, Hornady, Redding, and Whidden, the 22 CM’s seems on the rise.

The reason this cartridge stood out in the first round hit study, is because these heavy for caliber bullets have relatively high ballistic coefficients, and can be launched at fast speeds resulting in less wind and elevation corrections being required.

A windy day target group.
A windy day group at 100 yards was still outstanding with 88gr handload. 22 CM is still a relatively new cartridge. There are already some nice 22 Creedmoor rifle options available, including Meredith Precision, Derrick Ratliff’s Horizon Firearms, and others.

I have to say, the best part about shooting the Meredith 22 CM is that it’s just fun to shoot. The gun has NO recoil, and is downright easy to hit targets with due to the flat trajectory and outstanding wind-defeating bullets.

The lack of recoil resulting from using relatively light bullets makes it possible to watch your own impacts or misses if the terrain allows. This allows for fast and accurate second round corrections, which is a big advantage while hunting or competing.

I built the 22 CM to be a dual-purpose gun, or actually a 3-purpose gun. The first was for the predator hunting and varmints previously mentioned. The second was for shooting PRS (Precision Rifle Series) style matches on occasion, and the third was for hunting deer sized game. As with any multi-purpose tool there tends to be compromises. 

For this project, my sacrifice was in the barrel length. It’s a great quality barrel, but the only profile available at the time was far heavier than I would have liked, so in order to keep the overall weight of the gun down I had the gunsmith make it a shorter barrel, giving up some velocity to gain mobility afield.

PRS matches typically limit bullet speeds to 3200 fps, which coincidentally works well since Copper Creek offers the 22 CM with a 95-grain SMK at 3160 fps based on a 24” barrel. This makes an outstanding round with only 7.1 mils drop at 1000 yards, and 1.7 mils of wind drift for a 10-mph wind at that distance. For PRS you don’t actually need all the speed the 22 CM has to offer from longer barrels.

Sub-MOA group from handloads at 1000 yards demonstrates the capability of 22 Creed.
Sub-MOA group from handloads at 1000 yards demonstrates the capability of 22 CM.

Taking a quick look at how the 22 CM compares to some other cartridges will shine a light on its potential. Using 1000 yards as a distance benchmark, the 6mm CM drops 8.1 mils, and the 6.5 CM with the Hornady 147 ELD-M drops 8.7 mils. Both these rounds are considered fantastic for long-range shooting. Compared to the 7.1 mils of the 22 CM it’s easy to see why the 22 CM has a high hit probability. On unknown distance targets, that flatter trajectory would result in more hits.

All of these Creedmoor cartridges are truly great long-range rounds when compared to the old military/police standard 308.

22 Creedmoor vs 308

The industry standard 308 loads of a 168-grain Sierra Match King bullet at 2650 fps is no match for the more modern high BC cartridges. The old standard would have dropped a rainbow-like curve of 12.6 mils at the 1000-yard mark.

The factory loaded load is accurate enough for any practical purposes.
Factory loaded 22 Creedmoor load is accurate enough for any practical purposes.

For the third purpose, hunting deer sized game the 22 CM will certainly shoot far enough flat enough to get accurate hits. The long slender bullets have good sectional density, so they will easily get the penetration needed to reach the vitals of thin-skinned medium game. However, the big question for hunting, is if the small diameter bullets have the energy needed to make clean kills.

So how much bullet energy is needed for medium sized game? Well, it seems opinions are mixed, and you know what they say about opinions. Research shows that recommendations range from 800 ft-lbs to 1300 ft-lbs. While some think that energy is not the all-important factor and cite archery and sub-sonic hog hunting as an example; really can’t argue that either.

Well, the good news is the 22 CM seems to have all the energy needed for the task. The old deer hunting go-to 30-30 caliber 150 grn bullet drops below the 800 ft-lb mark at about 225 yards. The 22 CM drops below that 800 ft-lb threshold at between 600 to 775 yards, depending on the bullet and muzzle velocity of Copper Creek’s different offerings.

Leaning toward the more conservative number of 1300 ft-lbs, the same 22 CM bullet combinations are good out to 300- 400 yards. In reality, I think that number is way over what’s needed with good shot placement. 

Caliber/ Bullet Drop @ 1000 (mils) 10 mph Drift @ 1000 Energy @ 500 yds (ft-lbs)
22 CM 75 ELD 6.2 2.0 975
22CM 88 ELD 6.2 1.9 1141
22 CM 95 SMK 7.1 1.7 1028
6 CM 108 ELD 8.1 2.2 1082
6.5 CM 147 ELD 8.7 1.8 1409
308 168 SMK 12.6 3.5 410

I ran the numbers on the 45-70 I carried to Africa last year. The Hornady 250 grn FTX worked well on a large Black Wildebeest at 296 yards, the first shot took it down, the second ensured it never got back to its feet. 

The energy of the 250 grain 45 caliber bullet at that distance was only 630 ft-lbs. I’ve used the same round on whitetail deer and inside of 100 yards it takes them off their feet and they never know what hit them. So, it is definitely more than just the energy numbers that is important.

With all that being said I don’t think the 22 CM will have any problems making clean kills on deer size game out to 400-450 yards with solid shot placement. A highly accurate, easy to shoot rifle with a flat trajectory will make for confident hunting.

535-yard plates in the shadows are no challenge for the 22 CM.
535-yard plates in the shadows are no challenge for the 22 CM.

The only real issue that remains on the 22 CM rifle is just how long the barrel is going to last. I’m running the heavier bullets, typically 88 or 95 grains. These bullets have the higher energy levels, perform better in the wind, and should have a longer barrel life than the faster lighter bullets.

Compounding the problem though is the fact it’s so fun to shoot, and that its 22 caliber makes it much cheaper to shoot than my larger calibers as well. I think the barrel will give me a good barrel life based on round count but not based on time because I really enjoy shooting it and letting others try it.

You may also be interested in: Hornady Unveils the 22 ARC.

Final Thoughts

So, was a 22 CM worth spending the time and money to build? I think so, the 22 Creedmoor is a great shooting cartridge and the Meredith rifle shoots amazing. The cartridge and rifle perform well with my handloads or the factory available ammunition. The fact that several vendors are manufacturing 22 CM brass certainly makes handloading simpler.

Due to the small-bore, a slimmer barrel profile would still have rigidity for great accuracy, and less weight.

If I was to do it over again, I would build a lighter hunting weight rifle, which in reality would mean just a slimmer barrel and dropping down to a Nightforce NX8 2.5- 20x scope. Then the 22 CM would be right at home in the field where it belongs. .

Specs on the 22 CM from the Sporting Arms & Ammunition Manufacturers Institute.
22 Creedmoor from the Sporting Arms & Ammunition Manufacturers Institute. See also 22 Creedmoor ballistics, q.v.

Check out the details and run the numbers yourself and consider one for your next rifle build.

Read the full article here

Leave A Reply

Your email address will not be published.

This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish. Accept Read More

Privacy & Cookies Policy