300BlkTalk

Anyone using this mold in your AR.

plant.one wrote:and the leading has gone away too?

Yes.

my final thoughts on this mold are...If you not willing or capable of gas checking and powder coating this mold then don't waste your money. Otherwise your taking your chances.....

Update......

After putting on a gas check and powder coating them I was able to get them to stop tumbling.

natchomamma, "Is this an issue? How much would this effect accuracy?" Short answer is NO and NO. I use the 'shake n bake' method and with color pigmented powders will have 'thin' spots in the color. But on close examination, the polyester is coating well, just not the pigment. My answer t...

I have started to powdercoat and mine look similar to the pics in this thread. i.e. some are not smooth and not a consistent coat.

Is this an issue? How much would this effect accuracy?

Thanks.

thats almost 100% likely your problem. you need to bell the case mouth's so its not shaving. and then crimp them. a lee universal expander will do what you need to do, just set it so can get a full seat with no shaving and then a light crimp with a Lee Factory Crimp die to remove the belling. less ...

plant.one wrote:have you measured the diameter? what size are they?

They drop out of the mold at .309. When I seat the boolit it "shaves it". I recently pulled a seated boolit and it measures .305 after shaved. I have not fired any yet but will try belling the neck so it does not "shave".

Result- shot from about 20 feet!

the lee 230-5r is not a gas check mold. Trying to run them without gas checks (or PC) results in gas jetting - the boat-tail contributes to this. While it is not a "gas check mold" per-say, it does accept gas checks. http://i258.photobucket.com/albums/hh259/blcall/SN852163.jpg there is ex...

the lee 230-5r is not a gas check mold. everyone seems to PC them. i'm sure someone will chime in, but i seem to recall a fair number of posts of folks having success with that mold/bullet when powder coated at the very least a few things that may help others diagnose your issue for you.... what po...