What bullets should be crimped?
What bullets should be crimped?
It must be clearly understood that a cannelure is essential to obtain good results with a roll crimp. Remember, bullets that do not have a cannelure but need to be crimped should be given a taper crimp. Taper crimping is the best choice for any firearm which headspaces on the case mouth.
Can you crimp a bullet too much?
If you crimp too little, the extra drag of the un-crimped mouth will cause feeding problems. If you crimp too much, you’ll get a round that won’t chamber or won’t shoot accurately. 45 ACP 230-grain roundnose, and when the case couldn’t be crimped any more (the hard bullet stopped inward progress) the case then buckled.
Can you cast bullets?
Lead and Tin: Pure lead is required for casting muzzleloader bullets. A mixture of lead, antimony, and tin is required for other cast bullets. B. Melting Pot: An electric lead furnace with a temperature dial allows you to adjust and maintain the heat, and its bottom-pour valve dispenses an even stream of lead alloy.
Is crimping a bullet necessary?
For the cartridges you listed a crimp is not necessary. Crimps become critical for heavy recoil loads; the recoil of the rifle can jar the magazine so hard that it can shift seated bullets… As far as case life goes, anything that “works” the case more will shorten the life.
What is the difference between a roll crimp and a taper crimp?
The revolver cartridge’s case mouth will be pinched (crimped) into the cannelure of the bullet; this is a roll crimp. The auto cartridge’s case mouth will be “straight” and not pinched into the bullet; this is a taper crimp. Auto handgun cartridges use a taper crimp because they typically headspace on the case mouth.
What’s the difference between roll crimp and taper crimp?
Does 45 70 need to be crimped?
SS rifle, no need to crimp. Just “bump” case in size die to close mouth so you can chamber the round. I use the Lee FCD for my ’86 loads and it works very well.
How much does it cost to cast your own bullets?
The total cost to get started casting for a 30 caliber rifle mold would be about $30 or less for a Lee and about $100 for a Lyman.
What are hard cast bullets?
“Hard cast” describes a bullet cast from lead alloyed to increase its hardness. Pure lead is quite soft and only really suited to a few particular applications as a bullet metal.