![]() Sometimes in some calibers, this has led a very minor adjustment in the load used. Also, since I have noticed that different bullets of the same weight sometimes have a different distance from the crimp groove to the base of the bullet, and will thus sit at different depths in cartridge case, I use the formula to double check my loading if I am suddenly using a different bullet. 30-06 where I could not find published data for a specific weight bullet. I've used this method from everything from. They claim this will work for any caliber so long as the bullet used is within the normal range of bullets used for the cartridge in question. Find something between the 70 and 100 percent amount and you'll do well. 70% of the maximum load by weight is your minimum/starting load. This is your MAXIMUM load for the bullet in question in that caliber. Basically just enough that the powder will touch the bottom of the bullet with NO compression. Fill the case with Trailboss to this level. Take a cartridge case, any cartridge case and figure out how deeply the bullet will sit in the case once the cartridge is assembled. 28.0 grains of Universal isnt going to put you over proof pressure with a 1 1/8 oz. You would have to be well over proof pressure for any type of visual sign on a shotshell. The CCI209 primer is too small to fit properly in the Fiocchi hull. The 70% formula for Trailboss is very simple. The load may or may not be hot, but that isnt the reason the primer backed out. 1 grains of weight can make a lot of difference in volume. All loads were developed using the "70% formula" as a reference. It also takes slightly more powder because this bullet does not sit as deeply in the case as the above. The hollow base in the smaller bullets will cause them to expand and engage the rifling. 360" bullet in the case, it actually bulges the case a little to the point where the rounds will not chamber. (Using Winchester Nickel and other undersized brass. (This is my Standard Load for smokeless in this caliber. Castboolits gunloads forum full size#It worked well in smokeless capable pocket pistols with short barrels, but got stuck in a longer barreled full size revolver.) So much so that I don't really use it anymore. Does anyone load 38s&w with trail boss? What's your load data? Thanks! You really need to slug the barrel to find out what you are working with.So I picked up some. If the bullets fit the bore they should shoot ok - if the bullets are undersized the accuracy will be lousy but the pressure will be low and do no harm to the gun. I don't believe they would hurt it if it is in shootable condition at all. If you can find some, I'd suggest loading some over a starting load of Unique and just try a few in that old Colt. 38 S&W factory load that is available as a component, however I have not measured one so I don't know the diameter. Magtech makes a 146 grain swaged RN bullet for their. This might be a bit warm for an older gun, and likely not very accurate in the larger bore. 358 diameter 158 grain cast SWC bullets over 3.2 grains of Unique. I have a 1956 Terrier that shoots extremely well with. 358 bullets, so the newer S&W guns will shoot well with. If I understand correctly, when S$W resumed manufacture of guns for the civilian market after WW2 they bored all their. 38 S&W guns (&presumably Colt as well) had bores about. OP, in a gun that old you will have to use larger bullets than. Powders on hand include IMR 800x, Unique, Power Pistol and 2400. Thank you in advance!Īlso, If anyone has loading advise for the. 38 S&W Brass and dies, but I don't know how much more money I want to throw at experimentation. Can anyone please advise as to what might be going on here? I'm tempted to place an order for some. 020" longer than the brass of the rounds that he gave me to examine, which are at least 30 years old and clearly marked "38 S Colt". To further muddle the situation, I prematurely purchased some. 38 S&W revolvers against better judgement. 38S&W, which I understand to be a separate cartridge, despite the fact that many practice shooting. In my travels, I have not been able to find anything to support the idea that either the Police Positive or the New Police were ever chambered in. 38 Short Colt and gave me two or three of the last six rounds he had left for it, so that I could could examine COAL and bullet weight. He knows that I am an avid shooter and reload all my own cartridges, so he asked if I could make up some loads for his CPP. My father-in-law recently approached me with a Colt Police Positive, which appears to be of an early 1900's vintage. I apologize if you've seen this post before, but I was advised that this would be the better place to gather information. ![]()
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