I scanned the Internet auction sites until locating an AMT .30 Carbine, whose official name was the Automag III. I’m sad to say, but the .30 Carbine Ruger Blackhawk does not quite live up to this golden standard.

Thanks for explanation, now I see some parallel with primer-actuated For a pistol in this caliber/power class today, I’d suggest a Ruger Single-Six in .327 Federal. It should come as no surprise that I quickly accepted that offer. Thanks for showing us another dead-end development in the Also I polished up the chambers a bit with 400 grit wet sandpaper followed up a bit with 3x fine steel wool. The question is, is it worth the effort? The harder the brass, the less effective it would be. Another variant of annular groove is found on Russian PMM. The .30 Carbine cartridge is too powerful for a blowback pistol, however, and so Kimball needed some type of locked breech or delaying mechanism. the magazine. Automag II pistol utilized simple blowback action with radially grooved chamber (to resist and delay initial extraction when pressure in the barrel still high) . Only between 250 and 300 of the pistols were made before the company went bankrupt and closed. He chose to cut an annular ring in the front of the chamber – the mouth of the brass would expand into this ring upon firing, and the force required to press it back down to the diameter of the chamber body would force the slide to remain closed long enough for pressure to drop to a safe level. And, one could always crank up the velocities by going to a lighter bullet (like Hornady’s 90-grain XTP) if they so wished. I still don’t understand why combining short stroke gas piston and 7,62×39 is hard? ” The post was so battered and distorted by trying to stop that light slide that it had mushed out to the sides and jammed the slide. That’s more than 38 cal, 9mm, 357 mag, 40 cal, 10 mm, and 45 cal. Ultimately kimball’s several patents show lots of (too) clever thinking going into the design.

Spencer, Syl H. Roper, and Their Pump Shotgun Designs: Part 1 of 3 (1833-1889), A Quick and Dirty Guide: Mannlicher’s Straight Pull Rifles, Foreign Rifles of the Spanish Republic, 1936-1939, http://shop.bbtv.com/collections/forgotten-weapons. In 1958, the short-lived J. Kimball Arms Co. produced a .30 Carbine caliber pistol that closely resembled a slightly scaled-up High Standard Field King.22 target pistol. This kind of comment always makes me laugh. Thanks for sharing your knowledge Eon. Nice interesting review. Posted June 28, 2012 in Pistols by Steve Johnson with 15 Comments Tags: handguns, history, pistol.

Besides, the barrel return spring might have also a bumper effect forwards when the slide returns home as giving another strike with collected energy of both barrel and slide return springs. I would love to hear and expert tell me the holy grail of their AMT 6 5/8 Automag III and the load I can use to make the seas part – the 45wm has 1:16 twist as measured today with my cleaning rod – 255GR JHP coming out of it at 6 5/8 inches? .30 Carbine in a revolver does nothing better than what the .327 can and the .327 can shoot 3 to 4 other cartridges. Bill Ruger brought out his Blackhawk revolver in this caliber and encountered some success. Besides, what’s the saying — ”It’s better to hit with a .22 than miss with a .45?” Which brings us to the third major quality of this gun…. The only barrel length offered has been 71/2″ and currently its issue stocks are checkered black hard rubber instead of the wooden types standard for decades. However, as long as the chambers are kept clean, reliability is essentially flawless. I own one of these 30s, great shooter. “Pistol is supposed to work in short recoil manner without a locking device.” It is supposed that the sticked empty case as swollen inside the annular ring at instant of discharge, would drag it backward with propped breechbolt until the highest pressure drops. There are certainly plenty of things it could be used for: Target shooting/plinking (though .30 Carbine is a bit expensive for a plinker), hunting varmints, even self-defense if you really wanted to for some reason and loaded the gun with a good softpoint or hollowpoint round. Kimball .30 Caliber Carbine Auto Pistol. The diminutive .30 Carbine, by comparison, is a rather more reasonable chambering for a pistol—if, perhaps, one of questionable utility. 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. I have a Ruger Blackhawk revolver chambered in .30 Carbine, which I purchased used in 2012. There was an exception with the Ruger. 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! I was curious what the black hawk 30 carbine twist rate is – I never fired it closer than 25 yards and I am wondering if it has stabilizing issues because of the short barrel, slower twist rate and fairly heavy bullet weight? It’s slightly tapered, which is a nuisance if you have to reload it (which I have, once upon a time). This was very interesting Review of the .30 Ruger Single Action Blackhawk. 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. In theory the swaging took long enough for pressure inside the chamber to drop to safe levels. The estimated velocities for full-power factory ammo, on the other hand, give a potential muzzle energy range of about 479-550 ft.-lbs., on par with a .40 S&W — albeit with a much smaller, lighter bullet; or, for a better comparison, that puts it on par, energy-wise, with the Russian 7.62x25mm Tokarev cartridge, except with a slightly heavier bullet — and few people have ever complained about the Tokarev round’s performance (penetration-wise, at least).

Inland Mfg ILM200 Advisor M1 Pistol Semi-Automatic 30 Carbine 1. The location of gas mechanism is so arranged that, at starting of the gas inlet, the projectile inside the barrel still acts as a plug and if the gas exhausting would not occured, the pressure inside gas device would rise to the dangerous level as to harm the action. Besides, .30″ Carbine round with slightly tapered case, needs a !ocked breech or in other case, a movable barrel would tend to act forwards, since forwarding bullet until leaving the barrel, behaves as a plug trasmitting the gas pressure to the tube mass dragging to forward. We'll never know—only 238 Kimball .30 Carbine pistols were ever made. http://guns.wikia.com/wiki/OTs-33_Pernach I have all kinds of experts who reload and never once have I been given a satisfactory answer – one person said the ruger 30 should have ammo – I have never seen “ammo for the 30 ruger” and its only inch longer barrel – of course it might e a 1:10 and shoot better at closer range? When the short, half-slide made it all the way to the rear, it came up hard against a vertical lug in the receiver. Therefore began a movement to develop a “short rifle” to replace handguns. But seriously, great review. However, after firing a moderate number of rounds through the gun — usually around 60 or so — the chambers tend to start getting sticky, requiring fresh rounds to be seated firmly with finger pressure to make sure they go all the way in — lest they rub against the breechface and bind up the action somewhat. It might not necessarily be smart, but the actions have demonstrated that they can handle those pressures.

One can really see the effect of polymer and sub-compact design on POTG thinking/expectations. After going in full rearward position go forward under pressure of their respective springs. In theory, on ignition the casing would swell to fill these rings, delaying extraction long enough for pressure to drop.

That resulted in a minor amount of difficulty because most propellants of the day would not generate the 2,000 fps requested. It was the first real commercial .30 Carbine handgun. this cartridge did not require any delay mechanism, as it worked reliably in blow-back (pure blow-back) automatic pistol of numerous models (too many in 20th century Europe to list them all here), however such solution allowed usage of lighter breech block. Maybe the best solution to this problem is the basic Browning lock, more specifically the FN Hi-Power variation. Problem solved. Number of barrels is up to discussion – it might be 2 or 4, or maybe 3? 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. By proper design and metallurgy, the Browning locking system has accommodated some fairly high-pressure rounds, such as the .357 and .41 Magnum (Coonan), and the .44 Magnum and .45 Winchester Magnum (LAR Grizzly). The first step was to get Winchester Repeating Arms to develop the cartridge. Gas pressure acting on piston does not last for very long, only the bullet distance from gas canal to muzzle. Kimball’s pistol was styled heavily after the High Standard, and it looks good and handles well. Along the way, I had been dimly aware of a company called AMT which had specialized in making stainless steel autoloading handguns, but did remember they offered a .30 Carbine …

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