Gas Check and Deformation matters
Quote:
Originally Posted by
xacex
If there was no deformation without a gas check on a .309 at 2200fps this stuff is acting like a polymer and holding the projectile shape somewhat. In a .223 with a has check it may be just enough to keep them from grenading from the RPM. But, this may have a detrimental affect on hollow-point expansion. I need to get my hands on some and try it out to see how it will work on both of these types of boolits.
The coatings completely covers the projectile to protect the alloy.
This is the same if used for Copper plated or Jacketed projectiles.
Because of heat reflecting property of the coating, the end of the alloy is not damaged by hot high energy powders.
The alloy expands due to hydraulic pressue and inertia, and, because the coating does not compress and allows alloy to hydraulically conform to surfaces. Because of the way the coating stays put after sever deformation, there is minimal possibility of alloy becomeing damaged during firing process. it has been found that it simply works.
It is suggested, that you also ask people like Bayou who have experience with end use and results, as well as being able to supply coating materials for your tests.