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Posted: 3/18/2020 3:37:52 PM EDT
[#1]
Cans “may” cause POI shift. If they don’t, you’re lucky. Taking it off and putting it back on also “may” cause shift regardless of what your manufacturer says.
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Posted: 3/18/2020 3:38:45 PM EDT
[#2]
I had issues with my handguard before Im going to shoot some more and see what happens . 4-5 inches worries me
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Posted: 3/18/2020 4:40:04 PM EDT
[#3]
I expect a 1 pound can on a thin profile barrel to drop POI 2” at 100 yards. If you are getting 4-5” at 25 yards that’s unusual. 4-5” at 100 yards can happen with heavier 28 ounce cans on pencil barrels.
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Posted: 3/18/2020 4:43:38 PM EDT
[#4]
Quoted:
Ran my new 18 inch Faxon Gunner without suppressor and did a 25 meter zero with my Acog . Sighted one cm low with no issue . Placed my Hybrid Can which is very light and noted almost a 3-4 POI down shift immediately. Should I attribute this as normal or start looking for other issues. Can is a direct thread 22/5.56 . Never noticed this big of a shift before. Thanks in advance |
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Posted: 5/16/2020 11:07:05 PM EDT
[#5]
Barrel nut was loose. Will shoot again and post soon
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Posted: 5/16/2020 11:47:22 PM EDT
[#6]
17 oz is not light.
18” free floated barrel will shift a bit with all that weight on the end. |
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Posted: 5/18/2020 5:18:11 PM EDT
[#7]
Quote HistoryOriginally Posted By lafmedic1: Barrel nut was loose. Will shoot again and post soon Lmao |
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Posted: 5/21/2020 10:44:31 PM EDT
[#8]
I put my sandman on a 16” geissele SD, the group went from 1” to 5”, and adding the can dropped the group 2-3”. I took it all off and put the BE meyers 240 back on and went back to shooting a tight group.
I think I over torqued the keymo on the shims, the 240f uses a crush washer. The difference was a poi shift to the 2 o clock about 3”. Wish I had a heavier barrel in there. |
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Posted: 5/21/2020 11:03:24 PM EDT
[#9]
Handguard is an ALG VO E.Had a lot of issues getting the correct shims and torque and it backing off despite having the required wrench . Maybe its just that particular handguard. This is my last try with it .
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Posted: 6/20/2020 7:02:36 PM EDT
[#10]
All better now. Had to tighten more than the supplied wrench suggested. To be fair it may be my upper was out of spec but shoots well now
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Posted: 6/21/2020 7:51:38 AM EDT
[#11]
Quote HistoryQuoted: Barrel nut was loose. Will shoot again and post soon Wait. What? Did you torque it down? |
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Posted: 6/21/2020 7:55:18 AM EDT
[#12]
I've got two dope cards for each rifle. One without and one with.
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Posted: 6/21/2020 7:39:46 PM EDT
[#13]
Quote HistoryQuoted: Wait. What? Did you torque it down? |
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