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Posted: 10/10/2003 10:01:34 PM EDT
Link Posted: 10/10/2003 10:53:30 PM EDT
One will do, I put some blue locktite on the screw, hasn't come loose yet. BUIS favs seem to be split between ARMS 40 and KAC 300M, can't go wrong with either. I like the KAC because of its lower profile when folded.
Link Posted: 10/10/2003 11:20:14 PM EDT
#40 will fit under the ACOG with ARMS #19s. One screw is fine but I would ask Trijicon to send you the additional screw, little insurance is always a good idea.
Link Posted: 10/11/2003 6:07:49 AM EDT
Trijicon no longer sends out additional screws (guess we overwhelmed them) but it is a 10/32 1/2" screw that comes with the ACOG (3/8" for the flattop mounts). I used the single screw on mine with no issues (did use blue loctite) for awhile and eventually added a second screw just for peace of mind; but never had anything to indicate it was necessary.
Link Posted: 10/11/2003 7:45:00 AM EDT
You can buy the 10-32 x 1/2" buttonhead screws at any decent hardware store for about twenty cents, a much better deal than the same thing from Trijicon.
Link Posted: 10/11/2003 8:46:42 AM EDT
SMGLee is right of course, #40 will fit below either the 19S or Trijicon's own TA51. There's not enough clearance to slide a single piece of paper between the bottom of an ACOG and the #40, so close to touching they are.
Link Posted: 10/11/2003 9:18:01 AM EDT
[Last Edit: 10/11/2003 9:22:11 AM EDT by M4arc]
Originally Posted By Duffy: SMGLee is right of course, #40 will fit below either the 19S or Trijicon's own TA51. There's not enough clearance to slide a single piece of paper between the bottom of an ACOG and the #40, so close to touching they are.
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Can someone post a picture of this so I can see what you all are talking about? Thanks in advance. Edited to add: I'm thinking about a TA31 for my USMC A4 project so I need to figure this out.
Link Posted: 10/11/2003 9:40:30 AM EDT
[Last Edit: 10/11/2003 10:53:23 AM EDT by bsbg]
Originally Posted By M4arc: Can someone post a picture of this so I can see what you all are talking about? Thanks in advance. Edited to add: I'm thinking about a TA31 for my USMC A4 project so I need to figure this out.
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Here is my M16A4 clone with TA31, TA51 and GG&G MAD. #40 would not fit: [img]http://photos.ar15.com/WS_Content/ImageGallery/Attachments/DownloadAttach.asp?sAccountUnq=6430&iGalleryUnq=457&iImageUnq=5891[/img] Here is a TA31 in a 19S w/ #40 compared to the TA31, TA51 w/ MAD: [img]http://photos.ar15.com/WS_Content/ImageGallery/Attachments/DownloadAttach.asp?sAccountUnq=6430&iGalleryUnq=457&iImageUnq=18187[/img]
Link Posted: 10/11/2003 11:31:29 AM EDT
Thanks bsbg! It was that rifle of yours that FORCED me into building an M16A4 clone in the first place [;)]
Link Posted: 10/11/2003 11:50:50 AM EDT
Link Posted: 10/11/2003 12:41:46 PM EDT
Originally Posted By M4arc: It was that rifle of yours that FORCED me into building an M16A4 clone in the first place [;)]
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Glad to be of assistance. [8D]
Link Posted: 10/11/2003 12:43:17 PM EDT
Can you co-witness with an ACOG or do you have to remove the ACOG to use the BUIS.
Link Posted: 10/11/2003 2:13:42 PM EDT
Originally Posted By Niko: Can you co-witness with an ACOG or do you have to remove the ACOG to use the BUIS.
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The ACOG is magnified so you would have to remove it to use the BUIS.
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