CHeetah Mark I or Mark II?

B

ballpowder

Member
I'm not sure if this is the proper subforum or not but many knowlageable shooters frequent this one. Which of these two are better? I have been sittng on 200 pc UBR Remington 308 cases and a lilja 3groove 14" twist barrel and I'm finally ready to move. I always wanted a 1-16" but thats anouther deal. Does the shoulder angle even matter all that much? At the Super Shoot 2009 Jim Charmichael told me to go with the mark I and Lapua 243 brass but he may be biased.
Any first or second hand accounts regarding case forming or loading or perfomance would be helpful.
Thanks Tim
 
10-4 on that Mike. I just took a look in Huntington's catalog and form dies for the two versions are the same price. Form difficulty must be approx equal as well. Any opinions on the Lapua Palma brass? I bet its awesome.
Anyway the Mark I version will be my choice. I first got interested because of the Layne Simpson article in which he shoots Carmichael's rifle in Mark II and I interpreted him assuming it was the better of the two.
 
Lapua Palma brass IS awesome...... in fact it's the answer. It makes the CHeetahs work. The Remington stuff is rubbish.
 
The first .22-243 I chambered for myself was on a take off barrel was a 14 twist that had been a .22 Waldog on one of my benchrest rifles. It chronographed 4250 fps over an Oheler 33 with 52 gr bullets. Accuracy was very good, but the barrel had been fouling as a Waldog and was worse as a .22-243. I replaced the barrel with a 8 twist barrel in .22-243 and haven't ever shot anything else but an 8 twist and 80 gr bullets in the .22-243 since the first one. For all practical purposes, a Cheetah is not much different than a .22-243.
 
alinwa said:
Lapua Palma brass IS awesome...... in fact it's the answer. It makes the CHeetahs work. The Remington stuff is rubbish.
Click to expand...
Opinions by Al.

Just reporting: There are those that find that the small primer of the .308 Palma case works just fine, and others who find it causes too many flyers. There are reputable people in each group. The only thing I've noticed is that the small-is-better group tend to cluster on the west coast, in the lower 48 states.

As far as ignition goes, the Wolf large rifle primers let us come pretty close to the small rifle primers, but I believe the aficionados of the small primer also believe the case head is stronger.

Best might be to buy a small number of cases, try them out, and order more only if they work for you.
 
A friend, who had both fast and slow twist Mk Is experienced ignition problems in cold weather, which he solved by switching to CCI small rifle magnum primers. I seem to remember that he was using ball powder, but it was a long time back. One thing that I do remember was that he toasted a barrel by fire forming with Cream of wheat and pistol powder. He was too impatient and did too many at once, without letting the barrel cool properly. It seems to me that if you have to fire form a barrel burner, that it has considerable impact on the cost per round, unless you chamber an old barrel to fire form.
 
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