The Paradox and Absurdities of Carbon-Fretting and Rewilding

Herschel Smith · 28 Jan 2024 · 4 Comments

The Bureau of Land Management is planning a truly boneheaded move, angering some conservationists over the affects to herd populations and migration routes.  From Field & Stream. The Bureau of Land Management (BLM) recently released a draft plan outlining potential solar energy development in the West. The proposal is an update of the BLM’s 2012 Western Solar Plan. It adds five new states—Idaho, Montana, Oregon, Washington, and Wyoming—to a list of 11 western states already earmarked…… [read more]

Double Tap 450 SMC Ammunition Available

BY Herschel Smith
1 year, 7 months ago

Several weeks ago I wrote to Double Tap and asked when 450 SMC was going to be available again, just as I said I would.  They responded that they were planning a run of it soon.

Reader Ned happened to stumble on this before I did.  They have it in stock now.  They don’t show it under available ammunition.  You’ll have to go to the search bar and type in ‘450 SMC’.

Remember, you’ll need a stronger recoil spring to shoot this ammunition.

I’ve already bought a box for hunting trips.  I recommend that you go to the range and shoot a couple of rounds to get a feel for the additional recoil over .45 ACP.  After that, it’s up to you.  This is expensive ammunition.

First Impressions of 450 SMC

BY Herschel Smith
4 years, 8 months ago

While I said that I carried 450 SMC (and a slightly modified 1911 with a stiffer recoil spring) into the bush, I had never shot it.

Over the weekend I had the opportunity to take a very special little boy out to a field and teach him to shoot a .22LR Cricket.  I was a great time, and he exhibited the patience to do it right.  I was very proud of him.

But I used the chance to shoot a couple of rounds of 450 SMC through that 1911 to see how it performed.  While it has been said that the 450 SMC causes 78% more recoil than 45 ACP, I cannot bear that out from my experience.

Maybe it did, but I don’t find the recoil from the 45 ACP to be that stiff anyway.  I managed to shoot two shots of 450 SMC rapid fire and put them within a 3-4 inch two-shot group at 20 yards, first time, no practice shots.

I didn’t find the recoil to be problematic at all.  I would liken it to a combination of the push you get from the 45 ACP with the snappy muzzle flip of the 9mm.

Hopefully, much more to come on the 450 SMC.  I like it.

Ammunition Tags:

The .450 SMC

BY Herschel Smith
4 years, 9 months ago

Shooting Illustrated.

In the late 1980s, gunwriter Dean Grennell took .451 Detonics Mag. brass and trimmed it to the same overall length as the .45 ACP cartridge case, thus creating the .45 Super. Grennell wrote an article for the February 1988 issue of Gun World Magazine, discussing his new version of the .45 ACP, which was capable of pushing a 185-grain bullet to 1,300 fps. In the August 1988 issue of Gun World Magazine, a second article about the .45 Super—written by Tom Ferguson—appeared. Ferguson was interested in Grennell’s concept cartridge, but he wanted to take things a step further. He took a handful of .451 Detonics Mag. brass and a 1911 pistol to Ace Hindman of Ace Custom 45s. Hindman came up with the idea of heavier springs in the 1911 to make it more suited to the higher-pressure cartridge.

In 1994, Fernando Coelho—owner of Triton Cartridge—reached out to Garey Hindman, Ace’s son, who was still converting 1911s and even some Smith & Wesson Model 4506 pistols to accommodate the.45 Super. The problem with the cartridge was a lack of suitable brass. Coelho had recently started Triton Cartridge and felt that with his background in load development, coupled with actual in-house pressure testing, he would be able to come up with reliable, factory-loaded, .45 Super ammunition. A deal was struck and Coelho reached out to Starline Brass to get the ball rolling. The folks at Starline worked with Coelho to establish correct internal case-wall dimensions, web-area thickness and overall hardness of the cartridge case.

But, just like the .300 BLK found fame because of its name, the.45 Super—as a commercial cartridge—was doomed because of what it was called. You see, when Ace Hindman passed away, his son trademarked “.45 Super.” When Triton made factory-loaded .45 Super ammo, Garey Hindman would get a royalty, which was something a bit unusual in the ammunition business. Because of this, no major firearm or ammunition manufacturer would offer .45 Super guns or ammunition. There was also the concern that a shooter might load and fire .45 Super ammo in a vintage .45 ACP revolver or an old 1911 and get an unpleasant surprise.

All this led to the birth of the .450 SMC. Coelho was fed up with the inherent issues of the .45 ACP/.45 Super cartridge case and the damage being done to the potential growth of the .45 Super. One of the case problems was primer flow; you could experiment with different brands of primers and powder, but most of the time primers would flow back around the tip of the firing pin. The solution: switch to a small-primer pocket and utilize a small-rifle primer. Coelho reached out to Starline again, asking the company to make .45 Super brass with a small-primer pocket. That solved the primer-flow problem and Triton Cartridge soon began offering factory-loaded .450 SMC ammunition. It was loaded to a maximum average pressure (MAP) of 32,000 psi, which is slightly higher than .45 Super pressures, but still less than the 37,500 psi pressure of the 10 mm. The new name—.450 SMC—solved the trade-mark problem, and Triton had two loads: a 165-grain bullet at 1,450 fps and a 230-grain bullet at 1,150 fps.

When Triton went out of business in 2003, it looked like the .450 SMC was doomed. But, another new ammunition company stepped up to offer one of the most potent and practical magnum-category, .45-caliber, defensive-handgun cartridges ever created. Mike McNett of DoubleTap Ammunition recognized the usefulness of the .450 SMC and his Cedar City, UT-based company now offers six .450 SMC loads.

Comparatively speaking, the hottest factory 185-grain .45 ACP load you can buy will generate only about 1,140 fps, and the fastest 230-grain offering only about 1,000 fps. Essentially, what you get with the .450 SMC are 10 mm velocities with a .45-caliber instead of a .40-caliber bullet.

Of course, since no one is manufacturing .450 SMC handguns, what you’re probably wondering is what you have to do to shoot .450 SMC in your .45 ACP. Well, a .450 SMC cartridge can be fired in any .45 ACP handgun. However—and this is a big however—it should only be fired in full-size .45 ACP handguns that have a +P rating. (A 20- to 22-pound recoil spring in your favorite 5-inch 1911, or a 21- to 23-pound spring in a Glock.)

This is a great article.  I was unaware of all of that history, and as I said, I have 450 SMC and carried it recently.

I’m not really sympathetic to getting “nasty surprises” because the burden to do what’s smart should rest squarely on the shoulders of the user.  In other words, don’t be an idiot.  However, I do understand issues of legal liability.  They haven’t completely gone away with the 450 SMC design.

Then there is this: “A 230-grain load fired from the .450 SMC cartridge out of a 5-inch 1911 will generate about 78 percent more recoil than a 230-grain load fired from a .45 ACP.”

With the .450 SMC (Short Magnum Cartridge) you get > 10mm velocity with a heavier bullet.  What you have to accept is the heavier recoil.

Ammunition Tags:

Out-Of-Round .45 ACP Casings

BY Herschel Smith
5 years, 1 month ago

Recall I said I had some range time, including with the CMMG PSB .45 ACP?

I kept some of the brass and noticed something for the second time I shot this particular firearm.  Some of the brass has burn marks down one side, like this.

That brass is Federal .45 ACP.  Some of the brass is clean and well-rounded.

That brass is from Double Tap 450 SMC.

Other .45 ACP ammunition I shot didn’t have the burn mark.  I looked more closely at the Federal brass, and noticed what I think is ovality, even to the naked eye.

Given that some brands of .45 ACP can be shot in this gun (along with 450 SMC) with clean results (I also shot a good bit of Freedom Munitions .45 ACP with clean results), I’ve concluded some manufacturers are selling brass that is slightly out-of-round.

I think this is interesting, and I thought I would pass it on.


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