WC860 in 8mm

[Harpman]

I tried the upper end of loads in 8mm, not to good of groups,4-8 inches at 50 yards, using a chech 98/22 rifle excellent rifling, went to magnum primer still about the same, I tried between 46-51 grains....How low can I go ?....Do you guys think the good load might be lower than 46 ?...How low can I go in my experiements and stay safe ? its lot#23172 current batch at Pats reloading. I also did try a booster of 4198, just made it burn cleaner, didnt notice the groups any better..

[9.3X62AL]

It's not polite to answer questions with questions......but your question begs for further evidence.

Which boolit(s) were used with WC-860? Have they shot well in other loads in this same rifle? My only work with this powder and caliber used the Buckshot Heavy, a 236 grain behemoth......and the results were pretty positive, a full case of uncompressed powder left few unburned kernels and the groups got close to 1.5" at 50 yards with the barley-corn irons on my G98/40. The Lee 175 does better, but the wimpy recoil isn't nearly as much fun as what the Heavy provides.

[Buckshot]

................One of my favorite loads for a Turked M1888:

http://www.fototime.com/CDBFBF007F1D86B/standard.jpg

Is 57.0 grs of TCCI 5010 (or is it 5020? :-) ) with the Heavy 8mm for 1975 fps. Superbly accurate! That powder is a bit slower then WC860 (if you can grasp THAT!) and it burns clean. In fact it's so accurate I loaded up 60 rounds to have on hand for our weekly Burrito Matches. It's a bit much for that though! It wears you out.

What do your groups look like? Round, up and down, sideways? Have you chrono'd them?

If you reduce the charge to where it sloshes around, put in a filler. Apply a deliberate roll crimp, use mag primers, stick the slug in the lands (if you can). In other words, do whatever you can to build pressue.

You might try one of those Oldfeller 8mm's from Mid-South. Both are heavy but the Maximum is heaviest at about 240grs IIRC.

..................Buckshot

[Junior1942]

The 75 yard group below is actual size.

Range = 75 yards
Bullet = Lyman 220 gr #323471 @ .324"
Case = R-P
Powder = WC860 50 grs
Primer = CCI 200
Average Velocity = 1598 fps

Rifle = chopped 38 Turk

50 grs is 100% loading density with the #323471 in 8mm. Here's the article:
http://www.castbullet.com/makeit/m38.htm

http://www.castbullet.com/makeit/photos/m3823.jpg

[Harpman]

I'm using the Lee 323-175, shoots about 1.5 inches at 50 yards with other powders.

[JohnH]

Junior, That's interesting. I clocked some 860 loads from my 375 JDJ yesterday, it was a duplex load, 2 grians of 4895 for a kicker topped by 53 grains of 860 and capped with Lymans 379449, a ~270 grainer all lubed and checked ready to fire. Average velocity was 1529. It was very consistant, first shot was 1549, then 1525, 1528, 1525, 1518. This load groups consistantly into 1 1/2" at 50 normally with 3 of 5 in one hole. Suspect if I did weigh sorted my boolits it'd be better, but I have one of those Lee 110 grian scales, so all I can do is weigh out powder adn sort visually, and anything not wrinkled or with a ruined base gets shot.

[Crash_Corrigan]

I also shoot a 98/22 with an excellent bore. I also load the Lee 324/175 grainer but I use salvaged 30-06 Cases which I ran thru an 8 MM full length sizing die and then I ground off 6 MM's get an inexpensive case. To go along with with this I load 15 grains of Red Dot with this GC'd bullet and I have been quite happy with the results. I am getting up to 10 CLANGS in a row on my RR Tie target @ 100 yds. This is the chunk of steel used to hold down railroad rails onto a Tie through which a spike or two is driven. Makes a dandy target if you spray it international orange (another bargain from an after Halloween sale at Home Depot.

[trooperdan]

Crash, I think that chunk of steel is called a "fish plate'.. one of the few things I remember from an old demolition course I had while in service. My two cents worth.. and if I'm wrong someone here is certain to set me straight! :)