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Posted: 11/24/2023 4:18:39 PM EDT
[Last Edit: Papposilenus]
I was wondering if anyone knew the thread pitch for the new mini tactical rifles integral mounts
these two holes  Attached FileIf like to buy aftermarket screws for a mount I'm trying to make and wondered if anyone knew. Rugers closed for the holidays, but I'll bother them on Monday if need be. thanks |
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Posted: 11/25/2023 9:38:39 AM EDT
[#1]
I do not know for sure, but 6-48 and 8-40 are the most common optic base screw sizes....but Ruger often uses 6-40 for sights and other parts. Do you have any of those 3 on hand to try?
(The front sight screw on a Ruger Mark 2/3 22 auto pistol is 6-40) |
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Posted: 11/25/2023 1:02:32 PM EDT
[#2]
Quote HistoryOriginally Posted By GunCat: I do not know for sure, but 6-48 and 8-40 are the most common optic base screw sizes....but Ruger often uses 6-40 for sights and other parts. Do you have any of those 3 on hand to try? (The front sight screw on a Ruger Mark 2/3 22 auto pistol is 6-40) I hadn't tried 6-40 6-48 didn't work, but I'll pick up a 6-40 and give it a try thanks |
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Posted: 11/25/2023 5:57:09 PM EDT
[#3]
Afraid those didn't work, the search continues
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Posted: 11/27/2023 4:43:26 PM EDT
[#4]
I talked to Ruger
its 5-40 Posted for posterity if people are searching |
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Posted: 12/2/2023 7:51:34 PM EDT
[#5]
Quote HistoryOriginally Posted By Papposilenus: I talked to Ruger its 5-40 Posted for posterity if people are searching 5/40??? …..just because its Ruger….. |
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Posted: 12/3/2023 12:18:08 AM EDT
[#6]
Quote HistoryOriginally Posted By scottrh2: 5/40??? ..just because its Ruger .. Quote HistoryOriginally Posted By scottrh2: Originally Posted By Papposilenus: I talked to Ruger its 5-40 Posted for posterity if people are searching 5/40??? ..just because its Ruger .. I'm not sure why, the only thing I can think of is it fits in the cut for the rear ring nicely I really have no idea why |
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IA, USA
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Posted: 12/5/2023 11:47:38 PM EDT
[#7]
5-40. Holy cow. Just like Ruger
kwg |
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Posted: 12/6/2023 7:38:19 AM EDT
[#8]
Quote HistoryOriginally Posted By kwg020: 5-40. Holy cow. Just like Ruger kwg Not that uncommon, the beloved Mossberg 500 and 590 front bead is a 5-40 thread. It looks like that 5-40 hole is just the right size/width to fit in the Ruger ring slot, and it you get too heavy handed and strip the threads in that hole(s) you can easily retap to 6-40 or 6-48. |
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