Difference between a 9s and 6s 22 cal ogive

[BT Sniper]

Here is a good pic to show the difference between two identical weight lead bullets, one formed in my 9s ogive point form die and the other in my 6s ogive point form die.

I have been told the 6s will feed better in semi autos? I can't prove this since I tested with a bolt action Savage 12 BVSS riffle.


9s on the left and 6s on the right with a small .062 meplat, no lead tip die needed with my dies. What you see here is exactly what came out of the die.

http://i636.photobucket.com/albums/uu87/BTSniper/P1070067.jpg

Good shooting and swage on

BT

[Matt3357]

I assume you use 22lr jackets with these dies? How much is a set of these dies?

Matt

[GRUMPA]

Difference between a 9s and 6s 22 cal ogive

9s-6s=3s....so I guess there's a 3s difference :bigsmyl2:

[Salmon-boy]

That 9S makes me wonder how hard it would be to do a boat-tail die set...

[BT Sniper]

Boat tail requests are many it seams. To do it right will require a custom core seat die that has the boat tail machined into it. Then I'll need to match the base punch of the point form die to the boat tail. That will leave a very thin and sharp edge to this punch. This is not a problem and will be easy for me to machine. The risk comes from making sure no one will be able to bump this thin edge of the punch into the edge of the die. One ding and it would be screwed! This very reason is why rebated boat tail bullets are offered by custom swage die makers.

I am confident I can make a perfect boat tail to offer you guys. I will have to have some custom reamers made and that will take a little while. I'll see what I can come up with.

BT

[runfiverun]

the swage links that char-gar posted in the handloading thread cover some of how a boat tail is done in pretty good detail.
the idea of a shorter ogive is a pretty good one too, you can quite often use a heavier bullet in a slower twist by using the shorter bullet.

[b52fizzle]

Not sure about more reliable but the shorter bullet in a semi auto would help keep your COL to minimum to fit in magazine of semi auto.

[Blammer]

the 9's remind me of hornday 60gr bullets and they feed well in my AR.

[DukeInFlorida]

Too much vertical friction (steep angle friction) and they are VERY fussy to make. I'd be much happier (and AM) with the 6S

[Grandpas50AE]

I agree with Duke. The shorter shank on the 9s gives less contact area for crimping and for friction to resist setback during chambering in a semi-auto. A shorter shank means less contact area with the rifling as well, and can reduce accuracy in the lighter bullets because of it.