Maxiball BC?
 

Anybody know the BC for the .50 cal 370gr maxi?

Give it your best guess?

I'm saying .150?

I really would not have a clue... does T/C list anything for it?

Not that I could find.

I ran the numbers thru this site http://gundata.org/ballistic-coefficient-calculator/
and used the round nose as the closest design and got .346 what I would consider high for that bullet.

That would be nice, but i'm sure it's not close to that.

Lyman lists the .54 cal 430gr at .160. They list the .50 at .95 which has to be a mistake for the 370gr. Hell, a round ball is .70

The .54 is heavier than the .50 which should give it a better BC, but it bigger in diameter which takes BC away.

That's why I guess they may be similar. I guessed the .50 at .150.

BC and round balls and maxi balls don't mix... :)

Yeah, I know. I'm just trying to figure out the down range ballistics on the maxi.

It comes out ok with a BC of .150, but I don't know if it's right.

Maybe i'll call TC tomorrow.

Just giving you chit!!! :)

No problem with that, but give me the BC too. :p

It's no wonder nobody knows the BC.

I just called TC, and they don't even know.

Well I do not remember where I got it but in my notes I have it listed as .210

Wow! Do you think it's that high?

I'm surprised how flat it's shooting to 100yds, so it could be.

Maxi BC
 

I've seen several posts that suggest it's 0.95 or 0.97. Similar for the 320 grain REAL, which was published in "Black Powder Journal". This does seem low compared to other bullets of similar weight. The better ones seem to have shallower grooves or knurling. Maybe this is more flight friendly than the Maxi's wide deep grooves. Attached is what I've gathered.

I have no idea. But after using them in a .50 cal several years ago and harvesting a couple deer with them at <75 yards, I think the BC is somewhere between "Ooomph and WTH hit me"!

I don't have MS word to read that.

I've also seen .095 published in Lyman, and it's what Toby gives which i'm sure he got from Lyman.

It makes no sense since a RB is .70 at only 177gr. I think the .095 is for the 320gr maxiball. Even that seems low.

The .54 430gr maxiball is .160. The 370gr .50 has to be similar.

Here's the attachment as a .pdf.

Depressing if it's .097.

NoExcuses looks good at .202, but the recoil is kind of ugly. I have a box of them. Not fond of the lube either.

This is for black bear, but some of our bears get pretty big.

The 370 maxiball has plenty of BC and whatever else you need to take any bear in Colorado. If it shoots well in your gun, it will be fine for you. They have taken plenty of elk.

Yeah, I shouldn't worry about it. I'm sure any shot I get on a bear will be close.

What's your issue with No Excuse lube?

Recently I've been working with .50 460 No Excuses and Bullshops. It seems like the Bullshop lube plays better with BH209, but will need to shoot in colder weather to confirm. In cooler weather, No Excuses seemed to form a goo on the breech plug with BH209. Bullshop with their new lube seemed to keep things dry with normal foul, but this was in warmer weather.

I'm shooting BP. Which is the powder the NoExcuses is suppose to work with. I need to swab between every shot, or i'll never get the 2nd shot loaded.

As much as i've ragged on bore butter over the years. I can load 10 maxi's with no swabbing, and they fit tighter than the NoExcuses.

When hunting for bear I would hope I don't need to load a 2nd shot fast, but i'd like the option just in case.

Maybe some others can load more than one No Excuses without swabbing, but that doesn't help me. I can't in my gun.

Pete have you tried triple seven with the No Excuses? I get a slight crud ring but not enough to prevent loading a second shot.
When I load "though it" it does not seem to affect accuracy.

I prefer BP in sidelocks. I'm sure T7 would help, but then I wouldn't get reliable ignition like BP.

Hey Muley,

Are you allowed to bait Bears like they do in Ca-na-da EH? :biggrin:

BPS

No bait, or hounds.

On the ground face to face stalking.

That's the way it is in PA and that's the way it should be as far as I'm concerned. Although the "Mainah's" I've talked to said it's pretty tough to hunt them up there without bait or dogs. We're allowed to put on drives for bears here in PA much the same as we are for deer and that's how most of our bears are taken each year. Good luck taking one with your ML. I'm certain the 370gr. Maxi will do the job...you just need to do yours. I hope your season is successful.

BPS

The good part is the season is the whole month of Sept. So, I have lots of time to get it done.

I like to hunt the high country timber. My plan is to scout all summer for huckleberry bushes. They grow up at 11,000ft where I like to be.

I'll see if I can't still hunt into the berry bushes areas, and catch one feeding. Should be interesting, and a bit unnerving for an old man alone in the timber with one shot. ;)

I hope we don't have to start referring to you as "Hatchet Muley" (Hatchet Jack)...LOL!! I think Semi posted a picture of him awhile back....

BPS

Butter Knife Muley? :s2:

Whoooeee... Semi, you're just too quick on the draw! :biggrin:

BPS

I, Hatchet Jack, being of sound mind and broke legs, do leaveth my rifle to the next thing who finds it, Lord hope he be a white man. It is a good rifle, and kilt the bear that kilt me. Anyway, I am dead. Sincerely, Hatchet Jack.

I've read that bear spray is much more effective on grizz, and can fail on black bear.

So, only having one shot I thought I should get something as a backup. A knife is what I decided on. I figured a 6" blade should reach the vitals. I picked the Buck 119. I'm sure the bear will still kill me, but at least I can go down fighting.

In Wisconsin we can use bait and hounds. I baited bear and its not as "Great" as one might think. You can have a bait being hit every day only to find out when you hunt it, its a sow with cubs, which is illegal or the bear is so small you would not want it. Then your cold hunting.

I never hunted with hounds, but have heard them run through my property. Hound hunters run their you know what off many times only again to find a sow or a small bear. But the dogs sure have fun.

I had a great bait going a few years back. I had a huge single bear coming in and I thought.. oh boy, this is it. I was excited. One large set of tracks coming in and leaving in the sand. I was in a ground blind. And in comes a HUGE sow and two cubs. And where do the cubs want to play.. right in front of me and my single shot .54 caliber Renegade. Talk about getting nervous. I think my you know what bit a hole right through the padded seat cushion I was sitting on.