What is Speer TMJ?
Product Overview. Unlike conventional FMJ bullets that leave lead exposed at the base, Speer® TMJ® uses Uni-Cor® technology to completely encase the lead core in a seamless jacket. It’s cleaner, more accurate and more consistent than any FMJ. Uni-Cor technology completely encases the lead core in a seamless jacket.
What is the difference between FMJ and TMJ?
1. TMJ is a bullet which is totally covered with a metal surface. 2. FMJ is a bullet which is covered with a metal surface, however, not fully covered.
What is a Speer total metal jacket?
Product Overview. Speer Total Metal Jacket Bullets represent the highest level of evolution of the full metal jacket bullet. Full metal bullets usually have an exposed lead base while total metal jackets are fully enclosed with copper. Conventional FMJ bases can also deform under pressure, which decreases accuracy.
What is TMJ ammo?
Total metal jacket (TMJ or full metal case) bullets are made by electroplating a thin jacket of ductile metal (usually copper) over a core of different metal requiring protection from abrasion or corrosion. Similar full metal jacket bullets mechanically swage a thin sheet of metal over the core.
Which is better TMJ or FMJ?
Both types of ammunition are almost identical when it comes to accuracy and velocity. The TMJ round is suitable for target shooting, as is the FMJ. But when it comes to hunting, the TMJ is not always the best choice, as it won’t expand as well as other bullets like the hollow point.
Is TMJ ammo bad for your gun?
Reduced Lead Exposure with TMJ Bullets On indoor ranges, this can be a problem and can bump up your blood lead levels pretty rapidly. TMJ bullets are also cleaner in your gun. Again, because they don’t have an exposed lead base, they’re not spreading molten lead down the barrel when they’re fired.
Is FMJ or TMJ better?
What is better FMJ or TMJ?
Why is FMJ ammo bad?
Are Full Metal Jacket Bullets Bad for Your Gun? Actually, full metal jacket bullets can be good for your gun! On the other hand, and by design, the jacket material is harder than lead. So as it’s forced through the rifling of the barrel, it produces more friction and wear and tear on the steel.