Glock 19 22tcm9r Conversion Problems - Here in CA we can't get the 1911 pattern in .22 TCM. All we can get is Rock Island's MAPP in 9mm and build a conversion barrel. Oh wait, we could have, but MAPP FS was suddenly delisted last August for no apparent reason or reason.
Next! Another is to buy a TCM barrel for a Glock 9mm, otherwise known as a "TCM9R" that is limited to the length of action and magazine length of a pistol chambered in 9mm or .40 S&W. Although Armscor offers the absolute "high end" of 1911's and Glock 17 TCM's, they are very expensive and should not be judged strictly for trying to save money.
Glock 19 22tcm9r Conversion Problems
A foam nose axle just 3.5mm from the door seemed like an easy way to get into the TCM, even if it was limited to the silly "9R" version! However, here in CA we can't even buy ammo mail order, and copycats definitely seem to be "profiting" from such activities.22 TCM9R ammo is superior to what I find online. .
Gun Review: Rock Island Arsenal M22 Tcm Ba
So... I built mine to boot. I've had a lot of experience loading in 5.7x28 for a different caliber, and the TCM is a bit "mainstream" because it's .223 Remington.
But, being limited to -9R length cartridges, I haven't found anyone making a suitable bullet for it, not even on Armscore! This ushered in the era of "cut-off" play, or cutting the nose to make it shorter, mainly for loading and feeding heavier bullets. This is at best, and at worst, a surprisingly slow rate of work. I've toyed with every idea... "proper" bullet reloading usually means cutting the bullets before loading - again, too much work on one cartridge to be "fun"!
So as I was sitting here one evening throwing my own TCM barrel in my 1911, it hit me...
What Armscore has to do with the TCM is to shorten the 9R body, better fit the neck to accommodate the bullet tank, and use the arrows as original without deep seats or tips.
Gun Review: Ruger 57 5.7x28mm Pistol
So I hit on the idea of changing the case - it's easy to load and reload cases in a "permanent" way that doesn't have to be done "too much". I ended up with a "new" holster and cartridge, which I labeled 5.56x24, sized for the TCM case. Additionally, the TCM uses a 40 degree shoulder angle for the body and a slightly shorter neck for a length of 0.935" vs 1.025". The 5.56x24's OAL is similar to the .22 TCM9R, but if the 9R can't properly seat or encode Armscor's 40-grain JHP, the 5.56x24 Armscor bullet does exactly the same. !
The idea was to modify the problem to shoot in the TCM cam - just like the idea of shooting the factory rock in reverse on a "fixed" cam! In this case, the 5.56x24 can be safely fired in the factory TCM chamber, the front of the cap will "come out of the iron" and the fire will form the profile of the TCM chamber. The 5.56x24 is a "good" solution for 9mm action, and once the die is changed, loading it is no different than loading a TCM. 5.56x24 "headspace" full OEM TCM chambered.
Those with a 1911 TCM barrel will stop and think for a moment and realize that the short 5.56x24 case is loaded with a 40-grain V-max bullet, a Barnes TSX 45-grain bullet, or even a Speer 50-grain bullet. JSP bullets with a properly located bullet tank in the neck. Of course, 9mm ammo is limited to coarse ammo such as Armscor, Spear 46 gr, and Spear 40 gr. JSP as well as 35 gr. Vmax and the like, but at least it can sit properly and sit properly in the camera. I also think the 5.56 is pushing the "piston" forward.
They say "necessity is the mother of invention" and in this case it's true. If I had started with a 1911 frame size on the TCM, I wouldn't have minded the effort of loading it into the 9R version and being able to get the TCM out of the chamber with a case designed for the job.
Tcm9r & Tcm Glock
Since I live in sunny CA, I don't have a Rock 22TCM, so this question is for informational purposes only.
I've always felt that the original design made a mistake by using the .223 case as a starting point. I would like to start with the 7.62x25 case because it has the same diameter as the 9mm. The diameter of the container is larger and can hold some powder. However, it is possible that the .223 case was used because of the thicker brass to handle the higher pressures.
Wow I think I ran away from CA about 9 years ago. Writing/solving Razorback's problems was a lot of fun. What is the reason why CA does not allow 22 TCM? Not yet "tested" or tested?
Mikld said: Wow. I think I ran away from CA about 9 years ago. Writing/solving Razorback's problems was a lot of fun. What is the reason why CA does not allow 22 TCM? Not yet "tested" or tested? Click to expand... Almost nothing to search for! MAPP FS was already listed and it was suddenly removed in the middle of the year! The only thing I can determine is that at some point Bud's gun shop catalog listed a capacity of "10+1" in one place and "16+1" in another, which might cause an alarmed clerk to reach out and pull. . I was informed that the gun was no longer listed, but they were still advertising it.
B&t Usw G17 Conversion Kit For The Glock 17 & 19 The Firearm Blog
Since I had already purchased a .22 TCM conversion barrel for the MAPP FS that comes in 9mm, I stuck with it, but then found out that it fits the CZ-75B in .40 S&W! Since the barrel is 0.55" at the muzzle, it is too big to fit the 9mm version of the CZ without modification, but it can be done and is an easy way to get a barrel for the CZ. The only problem so far is that I have a wider .40 caliber slide. Extractor unable to rotate properly due to a broken face.
Sailormilan2 said: Since I live in sunny CA, I don't have a Rock 22TCM, so this question is just for information. Does the 22TCM use the shorter 9mm magazines or the longer 38 Super mag? I've always felt that the original design made a mistake by using the .223 case as a starting point. I would like to start with the 7.62x25 case because it has the same diameter as the 9mm. The diameter of the container is larger and can hold some powder. However, it is possible that the .223 case was used because of the thicker brass to handle the higher pressures. Click to expand... Actually the .22 TCM fits the dimensions of a 1911 magazine, the cartridge is 1.265" long so you need a .38 Super Mag.
The .22 TCM9R is long, has a 20-degree bevel and is 1.025" long, but has the same loaded bullet length of 1.165". This leaves only 0.14" for the bullet to exit or be 3.5mm. Armscore loads a proprietary bullet with a long head and a very short, round nose. It should sit so deep that more than half of the bullet is not caught in the tank shell, and this is the most good script.
As for sizes, I think Fred Craig did it right by using the .223 Remington with its parent because it was so plentiful and cheap, and using a 9mm spacer makes the 9mm work with little or no modification. I can see the 1911 extractor being a problem, but the Glock 19 extractor is seamless. Since the cases can be made from .223 brass, Armscore can always be supplied with brass and of course the bullet, even if it stops advancing or supporting the round.
Gun Review: Rock Island Armory 22tcm Midsize Ultra Combo 22tcm/9mm
5.56x24 is my "discovery" if you want something to work "good" especially in 9mm long actions and magazines. A standard Armscore 40 grain JHP can be loaded by pushing the shoulder straps back from the neck and shortening the neck a small amount.
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