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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Good article on why everyone either loves or hates the 6.5cr
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<blockquote data-quote="Sending156s" data-source="post: 2201051" data-attributes="member: 109060"><p>i Wanted a AR platform rifle. After looking at options I chose the Seekins SP-10 in 6.5 CM. I thought the accuracy would be lacking and bought it planning on an upgrade to a Bartlein barrel (aka GAP-10). I committed to a powder & bullet before getting rifle to have supplies ready. I've only used one powder/bullet combo since purchase and if I had the Bartlein barrel that I had pre-planned on installing one day I would not put it on so as not to mess up unusual accuracy from a semi. I'm getting less than 1/2" MOA every group. I've never seen such low SDs & ESs as every shot is between 2818-2820 as measured by LabRadar. Lapua LR case, GM210M primers, 44.3 StaBall 6.5, 130 OTMs. There are no signs of pressure, but I won't mess with this load. I don't even know anyone who has such low SDs. Maybe some 6 BR or 6 Dasher BR shooters. This is in a semi.</p><p>I attribute some of it to the efficiency of the cartridge design as I can't touch these SDs with my GAP built custom bolts.</p></blockquote><p></p>
[QUOTE="Sending156s, post: 2201051, member: 109060"] i Wanted a AR platform rifle. After looking at options I chose the Seekins SP-10 in 6.5 CM. I thought the accuracy would be lacking and bought it planning on an upgrade to a Bartlein barrel (aka GAP-10). I committed to a powder & bullet before getting rifle to have supplies ready. I’ve only used one powder/bullet combo since purchase and if I had the Bartlein barrel that I had pre-planned on installing one day I would not put it on so as not to mess up unusual accuracy from a semi. I’m getting less than 1/2” MOA every group. I’ve never seen such low SDs & ESs as every shot is between 2818-2820 as measured by LabRadar. Lapua LR case, GM210M primers, 44.3 StaBall 6.5, 130 OTMs. There are no signs of pressure, but I won’t mess with this load. I don’t even know anyone who has such low SDs. Maybe some 6 BR or 6 Dasher BR shooters. This is in a semi. I attribute some of it to the efficiency of the cartridge design as I can’t touch these SDs with my GAP built custom bolts. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Good article on why everyone either loves or hates the 6.5cr
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