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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Sako s20 Question Re Magazine Length vs COAL
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<blockquote data-quote="CGO" data-source="post: 2908903" data-attributes="member: 55435"><p>This is the first time I have ever posted on anything like this however I have the Sako S20 in 6.5 PRC. It shoots well with Norma 140 grain Golden Target Match ammunition for 100 rounds, sub MOA for sure at 100 yds. The velocity of this ammunition was low 2800 fps measured with my Magnetospeed V3. The box said it should be 2986 fps at the muzzle.</p><p>I just started loading for this rifle, been loading for better than 50 years. My rifle is throated long and when I found the lans with the Hornady 140 gun BTHP match bullet it was so long that the bullet would not stay in the case neck.</p><p>With H1000 and H4831 with GM210M primers I was over 250 fps below what Hornady's load sheet said from the middle starting point and was that way up to max charge. I suspect the long throat is the culprit.</p><p>I have a promising load at about 2950 fps with the H1000 at .045" off the lans. Need to verify and shoot out to 600 yards which is my goal to start.</p></blockquote><p></p>
[QUOTE="CGO, post: 2908903, member: 55435"] This is the first time I have ever posted on anything like this however I have the Sako S20 in 6.5 PRC. It shoots well with Norma 140 grain Golden Target Match ammunition for 100 rounds, sub MOA for sure at 100 yds. The velocity of this ammunition was low 2800 fps measured with my Magnetospeed V3. The box said it should be 2986 fps at the muzzle. I just started loading for this rifle, been loading for better than 50 years. My rifle is throated long and when I found the lans with the Hornady 140 gun BTHP match bullet it was so long that the bullet would not stay in the case neck. With H1000 and H4831 with GM210M primers I was over 250 fps below what Hornady’s load sheet said from the middle starting point and was that way up to max charge. I suspect the long throat is the culprit. I have a promising load at about 2950 fps with the H1000 at .045” off the lans. Need to verify and shoot out to 600 yards which is my goal to start. [/QUOTE]
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Sako s20 Question Re Magazine Length vs COAL
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