Okay, I cheated. I went to build my 6,5CM UU and I just couldn't get one of the screws out of the rail/upper. I think it's in with JB Weld, actually broke my long T-Handle on it. Anyways, I cheated and threw the 6.5CM barrel onto my 7.62 Larue. It fit like a glove to the upper and I torqued it to 50ft/lbs while engaged with my reaction rod. I cleaned the barrel, installed the 6.5 Larue brake, slapped a Vortex Gen I 4.5-20 on it and then did a quick bore sight.
Last weekend I headed out to Range 4 at Quantico. The shooting schedule was 100, 300, then 600, so that was perfect to get the 6.5 sighted. I usually shoot the 260 LaRue at 600/800/1,000 so it was kind of strange shooting at 100!
The sun is coming up and it looks like it will be a beautiful day. It started at 45 degrees and went up to about 70 degrees. The wind was 5-10mph, but mostly from our 6 o'clock.
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Steel and paper set on the berm just ahead of the pits. You can't shoot steel from 100, but we do set it up to save some time. I also put a load of clays on the impact berm, which is an additional 35 yards.
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Set up at 100 waiting for range control to allow us to go hot.
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You never know where these will show up.
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Like I said, I cheated and put the 6.5CM barrel on my 7.62 LaRue.
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I fired three sighters (the two 8's and that 9) and then fired some 5-shot groups, not too bad for a new barrel. [

] Then I slapped the Tranquillo on to see what the POI shift was going to be, 2 MOA down (the three shots in the 8), which is consistent with my .260. I left the suppressor on and fired at 300 and 600 suppressed.
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A quick OnTarget review.
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Then it was back to the 300 yard line for some more shootin'.
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I need a 6.5CM port cover as I don't think that 7.62 barrel will be getting much action.
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Steel at 300 - several sight corrections.
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Two groups at 300, I need to up my game.
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Then it was back to 600. This was the same yard line we were shooting from during Modern Day Marine a few weeks ago.
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I only shot steel and clays at 600, but I think I was on.
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Coolest shitake of the day, USAF peep had his wireless camera set up out. He said it will go all the way to 1,000.
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So, impressions; this 6.5CM is a keeper. Seems to shoot "softer" than my LaRue 260, but it could be that this is a Gen 1 Magpul stock that uses a full length spring and a AR10 buffer, versus a carbine set up with the red spring. This is a very easy caliber to shoot and the 140gr Hornady ELD-Ms seem to be just as consistent as the 130gr ELD-Ms I shoot in the 260.