i just got about 500 fmj hornady bullets. come to find out that they have noe brass on the ass end of them. now i was told that the will not go top speed because they will disappear in the air as the go down range. i was wondering if there is any truth to this and what i should be looking up as info on the load of this rounds??
full metal jacket
- Thread starter japlume
- Start date
FMJ bullets generally don't have any copper on the base. Some have a brass or copper disk but those are fairly rare in my experience.
What do you mean by "disappear in the air"? Do you mean break apart or just fly way off course so you don't know where they hit? Neither of those things will happen if you load them right since Hornady tends to make good bullets.
I run Remington MC (their version of FMJ also with an exposed lead base) 150gr .30 cal through my Norc M14S and have never had problems.
What do you mean by "disappear in the air"? Do you mean break apart or just fly way off course so you don't know where they hit? Neither of those things will happen if you load them right since Hornady tends to make good bullets.
I run Remington MC (their version of FMJ also with an exposed lead base) 150gr .30 cal through my Norc M14S and have never had problems.
i was just talking to a a guy that my dad knows...i am so new to this that i would believe that rosters lay eggs, if you get my meaning. they are .22 cal fmj and it was they disintegrate as they fly if they are loaded to heavy. i just wanted to know how true this is???
TMJ generally means copper plated bullets, not jacketed. The plating is much thinner than a real jacket and you can only drive them a little hotter than hardcast lead bullets. TMJ could mean a totally covered bullet but 9 times out of 10 it means copper plated. There is FMC (full metal clad) and FME (full metal encapsulated) that I have read about but never seen in person.
Bullets can disintegrate as they fly for various reasons. I have heard of using too high a twist rate for that bullet weight can do it but never experienced this myself. Flaws in the bullet can also cause them to break apart in mid air. I have also heard reference to people who file down the tip of a FMJ bullet to make a soft point for hunting and because the base is hollow it fires the lead out from inside but leaves the jacket in your barrel but again I've never seen this first hand.
Exposed lead on the base of a FMJ bullet is standard in military ammunition used by NATO. They don't have problems with bullets breaking up and neither does anyone else I know who loads to within regular limits.
Bullets can disintegrate as they fly for various reasons. I have heard of using too high a twist rate for that bullet weight can do it but never experienced this myself. Flaws in the bullet can also cause them to break apart in mid air. I have also heard reference to people who file down the tip of a FMJ bullet to make a soft point for hunting and because the base is hollow it fires the lead out from inside but leaves the jacket in your barrel but again I've never seen this first hand.
Exposed lead on the base of a FMJ bullet is standard in military ammunition used by NATO. They don't have problems with bullets breaking up and neither does anyone else I know who loads to within regular limits.
If you're serious about reloading, I would steer away from guys with old wives tales, guys like this fellow your dad knows.
I've heard of what you're asking, but the conditions were so extreme, that a newbie, such as yourself, would never be able to duplicate those conditions even by fudging the maximum loading specs in your manual. You would, however, risk bodily injury or death by doing so, due to equipment failure, long before your bullets would disintegrate.
Follow your manuals to the letter, and don't worry your head over the seemingly impossible.
FMJ is standard military bullet construction. It is actually a sturdy bullet. There is nothing you can do to shoot the jackets off those bullets.
Read your book. Start with the Start load, work up and find what works well in YOUR rifle, which will be different than the one in the book.
Read your book. Start with the Start load, work up and find what works well in YOUR rifle, which will be different than the one in the book.
I would suggest you stop talking to that guy because he doesn't know his ass from a hole in the ground. There is no truth to what he told you.
