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Reddog
11-29-12, 08:12
Picked up a new Savage model 10 FCP HS precision in 308. What weight bullet would you suggest for reloading? The rate of twist is 10 and the barrel length is 24". I will be using this rifle for long range work out to 1000 meters. Thanks.
orkan
11-29-12, 08:31
175SMK
snowdog650
11-29-12, 11:02
175SMK

This.
Ironman8
11-29-12, 11:20
175SMK

What is the slowest rate of twist that you would recommend for this weight projectile for 0-1,000m shooting?
snowdog650
11-29-12, 11:37
What is the slowest rate of twist that you would recommend for this weight projectile for 0-1,000m shooting?

A 1 in 12 will do it ... but many folks are much more comfortable with at least a 1 in 11.2 (i.e., Remington 700 5R Milspec) or a 1 in 10 to ensure bullet stabilization near the supersonic/subsonic shelf at distance.

With that said, plenty of folks at SnipersHide shoot the 175-gr SMK out of a 1 in 12.
orkan
11-29-12, 11:37
What is the slowest rate of twist that you would recommend for this weight projectile for 0-1,000m shooting? 1:12

The rest of this I'm typing because this damn website won't let me make a concise post consisting of only 4 characters.
ICANHITHIMMAN
11-29-12, 11:49
208g AMAX
orkan
11-29-12, 11:54
1 in 10 to ensure bullet stabilization near the supersonic/subsonic shelf at distance.

Rubbish. Stability through transonic range has very little to do with gyroscopic stability and much more to do with bullet design.

Considering a launch velocity of 2550, which is a slow 20" or fast 18" barrel, a 175SMK is traveling roughly 1070fps at 1000yds. At that velocity the bullets is still very much spin stabilized out of either twist.

1:12 twist 64,200RPM
1:10 twist 77,040RPM

Higher launch velocities are the norm, which would increase RPM even more. The main reason for wanting 1:10 is to be able to run subsonic, or run larger(longer) pills such as the berger's or 208 Amax.

That being said, my preference is to 1:10. It's there in case I need it for something other than 175's.
Ironman8
11-29-12, 11:58
Thanks for the reply and explaination Orkan
arizona98tj
11-30-12, 15:57
I shoot a Savage model 10 FCP HS precision. 175 SMKs work nicely. I run mine on top of a charge of Varget in Winchester brass and CCI primers.
Reddog
12-01-12, 07:04
I was thinking the 175 smk might work well, even was thinking about trying a box of 190 smk. But had never considered the 208 amax or the bergers. I thought the heavier bullets would stay stable longer with the faster 1:10 twist barrel between 800-1000 yrds. I'm going to pickup a few boxes of each and run them thru the chrono. Thanks.
Ironbutt
12-01-12, 10:45
Timely post! I got a 10 FCP HS a few weeks ago myself. After I "ballistically remove" some 168gr Sierra's from their cases, I think I'll give 175 gr's a try.
7 RING
12-01-12, 11:29
On the recommendation of two experienced 1000 yard F class shooters, I bought a Savage 10FCP HS Precision rifle and Federal 175g GMM ammunition. They told me that once I have a collection of once fired match brass, I can expect to shoot even better with reloads using the 175g Sierra Match King bullet.

My rifle shoots better with 168g bullets out to 200 yards. I was told the 175g bullets don't "go to sleep" until they get past 300 yards. When I shot a F class match in October I shot 175g bullets. The guys who were kicking my butt were shooting 175g bullets as well.