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Posted: 9/7/2009 7:32:07 AM EDT
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Went to the range yesterday to sight in the Comp M2. Started at 7yds. No problem.. Took it out to 15 yds, No problem. had tight groups in the center of the bullseye. Then moved it out to 25 yards and it was high (out side ring and at 11:00. Made adjustment and it was at 3:00 outside ring.) Could not get it into the Bullseye. What am I doing wrong? There was no wind, rain, etc.
It's on a LaRue Cantilever mount. I was shooting M193. It's mounted to a RRA A4. I am trying to get it out to 100 yds. Thanks for your help. |
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Make sure you're adjusting it the right way.
If you're shooting high, you want to move it the direction marked "down". Sorry if you were 100% on this, but its easiest to eliminate that first. If you are on at 7 or 15, you should have no issues being on at 25. Did you mount it in the Larue mount the right way? The bottom screws need to be torqued down FIRST. |
| Thanks for the info. Yeah, I'm pretty sure I torqued down the bottoms first but can go back and revisit it. The top adjustment says "left up" and the bottom says "right up". So naturally, I turn it the opposite direction for "down" . It just seems to be all over the board at 25 yds. I did not sight it to the irons. Maybe I should start over. |
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Quoted:
Thanks for the info. Yeah, I'm pretty sure I torqued down the bottoms first but can go back and revisit it. The top adjustment says "left up" and the bottom says "right up". So naturally, I turn it the opposite direction for "down" . It just seems to be all over the board at 25 yds. I did not sight it to the irons. Maybe I should start over. Re-set that optic in the mount, and try your luck at zeroing the irons first. Then set the dot to those and you'll be all set. The irons are also a good reference point to see if your optic is moving in the mount, which would be an indicator of you needing to re-mount the optic. Torque the bottoms ALL the way. Don't touch them after that. Then go after the top and you'll be all set. Remember to use alcohol on the screws and holes, then apply the blue loctite. |
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Marksman and & Cobra
Thanks for the help. I'll reset it and set to the irons. I was wondering about the 100 yd range on it. You read about a 16" being good out to 100 yds. with an Aimpoint, but yesterday at the range I looked through it (without a magnifier) and was thinking  . Without magnification that ain't so easy, especially with these old eyes!
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Quoted:
Marksman and & Cobra Thanks for the help. I'll reset it and set to the irons. I was wondering about the 100 yd range on it. You read about a 16" being good out to 100 yds. with an Aimpoint, but yesterday at the range I looked through it (without a magnifier) and was thinking . Without magnification that ain't so easy, especially with these old eyes!All you need to be concerned with at 100 is putting rounds on a man-sized target. 50 yards is a great zero. You should be bout an inch low at 25 yards with a 50 yard zero just to give you an idea as you're progressing outward. You will be alright at 100. Take your time, keep both eyes open! Helps if you have some steel to shoot to ensure you're making the hits. |
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