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TCA
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Posted: 1/3/2021 7:12:35 PM EDT
Putting a SilencerCo ASR brake on a Tikka Tac A1. The brake comes with five shims/spacers/whatevers. I think there are three large and two smalls. I have tried multiple combinations of these and none of them are completely horizontal.
Is there a trick to this or is nearly (looks horizontal but level shows it isn’t) good enough? Thanks! |
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Posted: 1/3/2021 7:46:21 PM EDT
[#1]
Doesn't have to be exact like you are building a skyscraper on it but should be pretty level. Some people actually slightly cant them to get a little directional blast to help control the rifle but for the most part level is good. You have a picture of yours?
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TCA
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Posted: 1/13/2021 2:53:38 PM EDT
[Last Edit: Dabster]
[#2]
Quote HistoryOriginally Posted By Rob01: Doesn't have to be exact like you are building a skyscraper on it but should be pretty level. Some people actually slightly cant them to get a little directional blast to help control the rifle but for the most part level is good. You have a picture of yours? Sorry for the slow response, I've been trying and failing to get a picture that shows it. To a casual glance it looks fine. If I balance a level on the brake it looks really bad -the bubble is at the outer edge. The sides should be pointed at 9 o'clock and 3 o'clock but they are pointing at about 9:15 and 3:15. Continued work with shims is not making it better. Of course, I haven't used the provided Rockset yet and this might stop it from going a bit too far. Should I try the Rockset to see if it helps or should I take it to a gunsmith? Thanks! |
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GA, USA
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Posted: 1/27/2021 3:54:17 PM EDT
[#3]
Quote HistoryOriginally Posted By Dabster: Sorry for the slow response, I've been trying and failing to get a picture that shows it. To a casual glance it looks fine. If I balance a level on the brake it looks really bad -the bubble is at the outer edge. The sides should be pointed at 9 o'clock and 3 o'clock but they are pointing at about 9:15 and 3:15. Continued work with shims is not making it better. Of course, I haven't used the provided Rockset yet and this might stop it from going a bit too far. Should I try the Rockset to see if it helps or should I take it to a gunsmith? Thanks! I no longer use any thread locker. The right amount of torque keeps it on there even with a sticky can. If you get it within 5 degrees short, lubricating the threads will usually get you the rest of the way. If you can't do that, you need more shims or try the precision washer system that brownells sells. |
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TCA
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Posted: 2/14/2021 5:39:07 PM EDT
[#4]
Thanks for your response. I was thinking along the same lines. Got more shims and found -after two hours trying different combinations- that one large and four smalls was much closer. It isn’t perfectly level but it looks level until a level is used but the bubble is fairly close.
Quote HistoryOriginally Posted By robpiat: I no longer use any thread locker. The right amount of torque keeps it on there even with a sticky can. If you get it within 5 degrees short, lubricating the threads will usually get you the rest of the way. If you can't do that, you need more shims or try the precision washer system that brownells sells. |
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Posted: 7/8/2021 7:04:10 PM EDT
[#5]
Friends don't let friends use Rocksett.
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PA, USA
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Posted: 7/18/2021 5:47:32 PM EDT
[Last Edit: bnoji]
[#6]
I use brass shim stock from MSC and cut rings out on a fiber laser.
You can skip a lot of the trial and error by calculating the approximate degrees of shimming needed based on the thread pitch. A 1/2-28 thread moves .0357" per rev, so if you need 45 degrees of shim it would be about .0045" of thickness. (1/TPI) / (360/deg needed) |
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USA
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Posted: 5/2/2023 10:07:36 AM EDT
[#7]
Brake timing helps with keeping dust down and asthetics but from an accuracy pov it does nothing.
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Posted: 6/2/2023 10:30:43 AM EDT
[#8]
Quote HistoryOriginally Posted By JohnCarter17: Friends don't let friends use Rocksett. <This. Rocksett is a PIA to undo. I have to soak the muzzle device in hot water overnight to get it to budge. |
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Posted: 6/18/2023 4:43:10 PM EDT
[#9]
Do you shoot without the can?
I have an AR with brake at like 1o click due to laziness. It always wears a can so to me it doesn't matter to me |
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