“ots 33 Pernach” US Patent 2,870,562 “Cartridge case extractor for a firearm”. http://shop.bbtv.com/collections/forgotten-weapons, If you enjoy Forgotten Weapons, check out its sister channel, InRangeTV! “Putting the .30 Carbine round into a self-loading pistol can be done (see “Automag III”), but generally it isn’t worth the effort.” Floating barrel blowback has been used on a big name production pistol. Ruger has chambered their Blackhawk single action revolver for .30 See chamberings such as .30-30 Winchester and .45-70 in the Magnum Research BFR, or… pretty much anything you can dream of short of a .50 BMG (limited only by one’s desire to maintain the structural integrity of their wrists) in a Thompson/Center Encore. Notify me of follow-up comments by email. The operating system is fascinating. Not sure what it’d do for barrel life though. The Blackhawk 30 Carbine, from my experience, is a damn fine revolver. And he probably lacked the capital to do that work as well. In Catron’s designs. But if you like the idea of an accurate, quality pistol firing the Carbine round, the Ruger Blackhawk is an excellent choice. Twist rate has to determine bullet weight (now I can only buy rifle cartridges so I am stuck) and that’s why the military (barring S/P rifles and spec ops) went to 1:7 to spin heavy tracers faster – to stabilize since a 1:8 does up to 77gr well and 1:12 great for 55gr.

II is utilized simple blowback action with radially grooved chamber (to resist and delay initial extraction when pressure in the barrel still high) I absolutely love the Blackhawk. “For a pistol in this caliber/power class today, I’d suggest a Ruger Single-Six in .327 Federal.

With a rimless case such as this, the only way to crimp a bullet is by the taper crimp method where the case at its mouth is pressed into the side of the bullet. Now, the first thing you’re likely to notice when firing the .30 Carbine Blackhawk for the first time is that it’s rather loud.

Wait, what mean Garand-type? In a VERY short period of time, it stopped working, with the slide unwilling to move. Thanks! I looked at gunnersden stats and it shows the 30 cal performing (energy foot pounds) better than many so-called larger hand guns. I really, really want to like the idea of a 30 Carbine gun. It was accompanied by sharp reports and nasty recoil, but functioning was normal.

It also suffered from misfires about 10 percent of the time, but with an odd difference. Mann later designed automatic pistol for 7,65 mm Browning (.32 Auto) or 9×17 mm Kurz (.380 Auto) cartridge, which also featured groove in chamber: https://unblinkingeye.com/Guns/Mann765/mann765.html. Found description and image of that. When the short, half-slide made it all the way to the rear, it came up hard against a vertical lug in the receiver. These are actually rows of fine annular grooves in the chamber, intended to “grab” the cartridge case’s brass and act as a drag on its progress backward out of the chamber. Otherwise…. For some people (like myself), that’s enough. So that when slide starts to recoil, it drags the barrel back with it for 5mm (I suppose case moves 1-2mm in max pressure). As to the round’s ballistic performance…. I then went out and bought a shirt to put them in, (my joke at the time) I loved that gun but some years later had to sell it because I was broke. There is an inherent degree of sexiness and class in the Colt “Peacemaker” design, and the Blackhawk is no exception, despite being a little bigger and beefier than the original Colts to allow for the chambering of more powerful rounds. Evidently the linotype bullet was able to be taper crimped but still allow enough case mouth to give secure headspacing. I agree that the pistol is loud, but it also will shoot straight at 50yds. My experiences were not unqualified successes, but I did learn the .30 Carbine has the possibility to be amazingly accurate from handguns, and when fired from handgun barrel lengths is amazingly loud! Actually, the bullet does not stay in barrel much past 2ms; after that pressure drops to zero. Earlier ОЦ-23 Дротик is said to be using same principle of operation like Pernach. According to http://stechkin.info/article/127 for revolvers (e.g. The rear sight is click-adjustable for both elevation and windage (1 click = 3/4” @ 25 yards) with the aid of a small screwdriver.

In that way you could add the barrel mass to slide and end up with less momentum and slide speed in recoil, less slide speed gives lower rate of fire. Mythic Armory query https://www.mythicarmory.com/kimball-arms-30-carbine.html lists following patents regarding this automatic pistol: ln fact, related patent does not include any statement regarding chamber grooves. Today I measured the twist rate and found out it is 1:16 from a 6 5/8 barrel? The gun is very easy to clean — and a good thing too, as it needs to be cleaned rather often. I am NO EXPERT on guns or ballistics so someone please explain what I am missing here. No sense of dreaming of something which cannot work. An array of newly developed firearms were tested. Only between 250 and 300 of the pistols were made before the company went bankrupt and closed. With regard to the issue of sticking cases: while the author posits a plausible explanation, I wonder if he also considered the possibility that his light handloads were too light to properly expand the brass upon firing, thus allowing more crunk to blow into the chambers than a full powered round would. I also have a 1943 M-1 Carbine in very good condition. We'll never know—only 238 Kimball .30 Carbine pistols were ever made. Heavy, too; while it has a tapered barrel (one of the easiest ways to distinguish it from any other model of the Blackhawk) to save weight due to the small .30-caliber bore, the cylinder received no such treatment. My EDC semi is 42 ounces, and it’s not the only full frame steel pistol in that weight class. Ian’s video also shows the backward barrel travel recess at just in front of the feed ramp.

The 32-20 is a bottle neck rimmed case using a .312 dia bullet so what happens to the case when its fired in a 30 carbine rimless cylinder?I stuck a 32-20 in my 30 carbine blackhawk and the rim stops it from going in far enough to close the loading gate let alone spin the cylinder.Now if you had a 32-20 cylinder made for the 30 cal.blackhawk that would be a very interesting conversion.The cylinder on the 30 carbine is the same length as the 44mag super blackhawk so the length would be no problem. The Marlin / United Defense US-42 submachine gun was not used by the American military, but it did see service in World War […], First up today, we have some additional information on the scaled-down Arisaka trainer from our video on Monday. Over repeated firings, this gunk builds up until a new round can’t be fully seated without compressing or pushing it out of the way.

Contemporary accounts said this lug sometimes cracked or snapped in half. I try to search out experimental and prototype weapons and show you how they work, in addition to more conventional guns that you may not have heard of before. Ultimately kimball’s several patents show lots of (too) clever thinking going into the design. The 30 Carbine Blackhawk is the second loudest gun I ever fired. It’s the same size as one for a .45 Colt Blackhawk, just with teeny tiny .30 Carbine-sized holes, so it’s quite a heavy chunk of steel. by Wiley Clapp -

However, the system was not adequate for the cartridge. The overall best performing bullet for .30 Carbine pistols was the Redding/SAECO #302; a 115-gr. Automag III utilized locked breech, short recoil action of Browning type so indeed it is technically possible to make such automatic pistol firing .30 Carbine cartridge. It has no other differences from Makarov beyond this device. That’s more than 38 cal, 9mm, 357 mag, 40 cal, 10 mm, and 45 cal. .30 Carbine in a revolver does nothing better than what the .327 can and the .327 can shoot 3 to 4 other cartridges. But, introducing some resilience and buffering into the slide stop, does appear to be a possible way to increase durability. As for the Simonov short-stoke piston, Winchester’s system in the U.S. M1 carbine predated it by five years (1940). But when everything works properly it can be a fine, powerful, small bore “magnum.” Either way though — it’s loud! Less than 300 of the Kimball .30 Caliber Carbine Auto Pistol were produced back in the 1950s. Don’t know of very many handguns that can do that and I own a few. Oh, ok, now I understand. also it should be possible to use quite long barrel and grip move forward for balance. It was a great spot for which I will be forever grateful, but the very best thing about that job was the doors that opened because I had it. There is a formula somewhere (on every AR forum) to calculate rpm of the bullet based upon twist rate and fps I believe?

It is loud, and has a good concussion.

This post is about the 30 carbine – forget the AMT part except that it is 1:16 twist rate and so is 45WM and I need help with that load too. It does have sticking problems as stated but it’s not that big of a problem. gas check roundnose. Hopely commentors supplement the additional knowledge. Your email address will not be published.

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