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mho et al, a 8x68S question

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30 April 2007, 19:45
.366torque
mho et al, a 8x68S question
What velocities are you getting? I'm interested in the 200-220 grain class but am open to discussion.
Thanks
30 April 2007, 20:24
mho
I have not loaded a bunch of 8x68S, but what I did load (RWS brass, 200 grs Nosler Part, RWS R905 - can't remember charge off hand, but it was max in the RWS book), I believe ran between 2900 and 3000 fps MV.

Although the 8x68S case is smaller than the 8mm Rem Mag, velocities are similar - the 8x68S being loaded to higher pressure. I would not be surprised if the 8mm Rem Mag handled heavy bullets a bit better, due to the larger case.

- mike


*********************
The rifle is a noble weapon... It entices its bearer into primeval forests, into mountains and deserts untenanted by man. - Horace Kephart
30 April 2007, 22:14
6_5X57
I reload normally this caliber with 70 grs of Tubal 7000 (similar to IMR-4350), in my rifle (a custom m-98, with a 24" barrel) I get around 2900 ft/s with Speer 200 grs (RWS brass and RWS 5333 primers). If I increase the load, the bolt became a little sticky, so it must be close to the limit (in my rifle).


Ignacio Colomer
30 April 2007, 23:10
Big Bore Fan
RWS book:
12,8g/ 198grs TIG
R905 77grs max. 2990 fps

14,5g/ 220grs KS
R905 72,5grs max. 2800 fps


DEVA-book:
200grs Partition
R905 73,8grs max. 2900 fps

200grs BarnesX
RL22 77grs max. 2900 fps

200grs A-Frame
Vit N560 75,5 max. 2900fps

220grs Hornady SP
IMR 4831 68,3grs max. 2740 fps


Test-barrel:650mm/~26"

Martin


Big Bore Fan
(formerly Quattro77)


http://www.youtube.com/watch?v...ohYM&feature=related
02 May 2007, 12:11
cewe
Hi,

I only have experience with two loads, the RWS factory loaded 187gr H-mantel gives me a chrono speed of 970m/s and my 200gr Sako Hammerhead handloads gives me a chrono speed of 870 m/s. Superb accuracy with both. I just got home from SA yesterday and I used the 8x68 to take waterbuck, wildedeest (200gr bullets on these -distance 15-60m), baboons, ostrich and bushpig (187gr bullet distance 50-180m). Penetration on the pig was good, blowing straight through the animal but meat destruction was a little more than some would like...but every every animal fell in it´s tracks!

I´ll be working up some 220gr loads soon using the Swift A-frame but I feel that the 187gr bullets dose the job that the cal. was intended for ie long range.

It´s definetely not a "brush buster".


http://www.tgsafari.co.za

"What doesn´t kill you makes you stranger!"