AR Sponsor
Posted: 11/23/2006 6:09:46 PM EDT
| It seems like there are a lot of broken matech rear sights out there. I realize there is no source for parts, so this may be some of the reason, but are these fragile sights? |
|
I think the FM might have mentioned a torque value, but they don't exactly supply a torque wrench with it so I just tightened with the Allen wrench until it stopped turning, then gave it a tiiiiiiny bit more pressure. So far it's held up great, even getting banged around in vehicles. Occassionally the sight will snag on something and deploy itself, but that's part of why it is a good BUIS, it's easy to flip up. It does look kinda fragile, but I haven't had a problem yet. I 'm sure there are guys out there using it much harder than I am though. |
I don’t have a FM. But I found a one page instruction in my pile of junk. Here is some information from the federal supply system. My comments are in blue. Manufacturer information is intentionally withheld at this time. Check back later. Sight, Rear NSN 1005-01-484-8000 PN 12996812 $120 Discontinued W/O Replacement Clamp, Synchro (Locking Bar) NSN 5305-01-484-7999 (Changes to 5340-01-484-7999 when I click for detail information) PN 12996823 $5.29 (thread information not provided) Screw, Cap, Hexagon Head (Recoil Screw) NSN 5305-01-484-7075 PN 12996824 $7.03 (thread information not provided) |
Good find! 
|
| Amen! I have 3 of them and bought 1 for a buddy of mine. Once it's mounted, leave it alone. Mine isn't in a war zone, but it's done several 3 gun matches, lots of shooting, and soon will be doing room clearing and house entries as soon as the department rangemaster signs off on my personal AR for team use. |
We tried ordering parts, too. The ones that didn't get IMMEDIATELY canx'd had estimated shipping dates 0f 2015! Faster and easier to get whole new assemblies for us. Tom (the 300 Whisper FAQ guy) |
|
There was someone on the EE about a week ago that was selling replacement screws and clamps, looks like they were his own production, machined items, but for $20, it sounds like it might be the solution for those of you that have had problems with them. ~Augee ETA: Here's the link: Replacement MATECH clamps Disclaimer: I am in no way affilitated with the seller, just a happy MATECH owner out to make his own choice look better by convincing as many other people as possible! 
|
I bought a "new in bag" MATECH from Savagesniper21 on the EE, and it didn't come with a screw at all. He does not respond to my IMs or E-mails, but that's another story. Anyway, I was excited to see the ad Augee has linked, but I've e-mailed the guy at the e-mail address provided in his thread twice this week and haven't heard back from him. I'd be happy to pay him $20 even though I don't need the clamp, just so I can actually USE this paperweight. |
|
Not sure what the screw size is, exactly, but have you tried going to a hardware store, and looking for a screw? I feel like the clamp would be the bigger problem to replace, the screw should be able to be sourced, possibly cut to size with a Dremel, but it seems to bear worth looking into. Not quite *authentic*, but functional. ~Augee |
I have the correct thread size screw, but the problem is that *apparently* (since I've never seen the screw) there is a step that allows it to fit under the clamp. The clamp has a groove for a tab on the sight to fit into, and the hole in the clamp is slightly offset from the hole in the bottom of the sight. What happens is that I can't get the tab to go into the groove with a regular screw in place. It would appear that the screw needs to be relieved immediately behind the head to fit. This is the second MATECH I've purchased. The first one had cheap aluminum screws from the hardware store (silver  ) that wouldn't fit either. At least that guy gave me my money back.This time, it was supposed to be NEW IN PACKAGE, but the bag had NO screw at all. But at least the guy with the beefed up clamp e-mailed me back yesterday, so I'll be purchasing one from him. I won't be buying anymore of these things, that's for sure. Compared to just about ANY OTHER name brand BUIS on the market today, they are inferior in durability. |
AR Sponsor