Crimp & neck tension

[Siringo]

I don't know if this is the right place to post this -- but I have come across something interesting.

A little history first. I recent built up a rifle in the 6.8 SPC for my son. We have just starting shooting it and only had some Remington factory ammo. One round did not go off (must be loaded on the same line that their 22 ammo is made!).

Any way, I pulled the cartridge apart tonight and low and behold, the bullet has a mastic around it to hold it into the cartridge case. It took several firm raps with the puller to get the bullet out.

We had discussed this earlier -- maybe on the calguns site -- but would this work for the 450B. Anyone want to comment?

[Mike]

I recently was pulling bullets out of some lake city 09 stuff and they had this sealant and them as well. My biggest question is do I really want to shoot a bullet dipped in some kinda tar down my barrel. Same with loctite- it cant be good.

[Siringo]

Gets burned off easily. Military uses it to waterproof ammo. I just thought it was odd that Remington used this on commercial ammo.

Based on reading on the NET -- this is a form of asphalt. Anyone know exactly the type of material and where to get it. We then set up HOOT to test it for us!

[wildcatter]

Gets burned off easily. Military uses it to waterproof ammo. I just thought it was odd that Remington used this on commercial ammo.

Based on reading on the NET -- this is a form of asphalt. Anyone know exactly the type of material and where to get it. We then set up HOOT to test it for us!

It's called Ballistics GUM. A very similar product can be found with a product used to heal wounded trees, it too is a black gum. All Military Ammo uses it and untold trillions of rounds have not hurt any barrel. I have used it successfully, it does increase Bullet-Pull, but alas, tis difficult to apply, unless expensive production equipment is deployed. Hence, the mother of invention, created the LeGendre Side Crimp, and bullet pull became much less of an issue..t

[Siringo]

I found you can use Ortho Pruning sealer. Got some in my garage and after I get 5 fired cases, I am going to glue some bullets in (cases will not be sized, primed or loaded) just to see what happens. Curiosity ya know! Even Lake City Match ammo was glued in. Just another tedious process. Maybe this can be added to using 284 brass!!!!!! That was a sarcastic joke!