Cant get this scope on my 98 w/Flatline
Printed From: Tippmann Paintball
Category: Paintball Equipment
Forum Name: Upgrades and Customizing
Forum Description: Trick it out!
URL: http://www.tippmannsports.com/forum/wwf77a/forum_posts.asp?TID=175325
Printed Date: 15 January 2026 at 12:44pm Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: Cant get this scope on my 98 w/Flatline
Posted By: Sicilian
Subject: Cant get this scope on my 98 w/Flatline
Date Posted: 07 May 2008 at 4:02pm
Hey i got a 98custom with the flatline barrel and i got the NcStar 30mm Paintball Red Dot. I cant seem to mount it on the barrel because the clap is to big. Anybody have this scope/or scope like it that mounted it on a 98 custom/flatline
Thanks a bunch Joe
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Replies:
Posted By: Ceesman762
Date Posted: 07 May 2008 at 4:05pm
NcStar! Oh No! check out previous threads on that optic. Hope you saved the receipt.
------------- Innocence proves nothing FUAC!!!!!
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Posted By: Sicilian
Date Posted: 07 May 2008 at 4:16pm
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No i got it online. It seemed pretty nice. All metal (not plastic) and have seen people pull it off with the flatline barrel online. Just not sure how.
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Posted By: Snake6.
Date Posted: 07 May 2008 at 4:46pm
NcStar red dots are complete junk. I would send it back.
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Posted By: Sicilian
Date Posted: 07 May 2008 at 5:10pm
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the one i got ratings were pretty good... I am sure the plastic ones are really bad but this one is metal....So anybody know how i could get it on?
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Posted By: Mack
Date Posted: 07 May 2008 at 5:42pm
Which model is it?
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Posted By: Sicilian
Date Posted: 07 May 2008 at 5:45pm
I got: Tippmann 98 Custom w/ Flatline barrel NcStar 30mm Red Dot Scope DBB130 http://www.amazon.com/NcStar-30mm-Paintball-DBB130-Tippmann/ dp/B000OE9L0W/ref=sr_1_2?ie=UTF8&s=sporting-goods&qi d=1210196672&sr=8-2
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Posted By: Mack
Date Posted: 07 May 2008 at 5:49pm
Regarding the marker:
- Which 98 Flatline do you have?
- The one with the one piece shroud or the one with the two piece which includes a weaver rail for the top of the 98?
Also, regarding the sight:
- When you look at the bottom of the sight is one of the crossbars for the clamps lower than the other one?
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Posted By: Sicilian
Date Posted: 07 May 2008 at 6:18pm
Mack wrote:
Regarding the marker:
- Which 98 Flatline do you have?
- The one with the one piece shroud or the one with the two piece which includes a weaver rail for the top of the 98?
Also, regarding the sight:
- When you look at the bottom of the sight is one of the crossbars for the clamps lower than the other one?
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Lets see The Flatline is i guess two pieces-- http://www.amazon.com/Tippmann-Custom-FLATLINE-Tippman-Paintball/dp/B0000ANI7B/ref=sr_1_2?ie=UTF8&s=sporting-goods&qid=1210198269&sr=1-2 - This one
and the scope the cross bars seem to be one the same level
It really seems like the clamp is too big to fit on the rail. I asked some guy and he said something about a 'dovetail' style attachment. But i have no clue what that means
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Posted By: Mack
Date Posted: 07 May 2008 at 6:35pm
There are several types of attachment systems for sights:
- Weaver and picatinny rails (which are essentially the same thing) have a series of cross spaces which keep the sight from sliding forward/backward. (One of the clamp screws interlocks with an opening in the rail.)

- Dovetail rails are narrower and lack the cross spaces. (The silver piece below is the dovetail rail.)

Sights for the two types of rails are not interchangeable.
The picture of the Flatline at your link is fuzzy but it looks like an older model based on the rear sight and apparent lack of a weaver rail. (It should have two pieces; the metal barrel and a plastic shroud.) These barrel shrouds came with a single 3/8" dovetail rail molded into the top.
I found an example of the DBB130 sight at http://www.ncstar.com/store/scripts/prodList.asp?idCategory=18 - this location. Immediately to the left of the DBB130 is a similar sight designated the DBB130/3 (Dovetail) which leads me to believe that the model you purchased is probably set up for a weaver rail.
I don't think your sight is compatible with your marker. However, the only way to be certain of this is for you to post actual pictures of your equipment. If this indeed the case, you can find adapters that will let you use the sight.
Edited Note: Another option if you actually have a problem. I should have remembered to add this as I had to use this solution for a similar issue a few years ago. I went to a sporting goods store and bought a weaver rail that looked generally the right shape and size. I used the dremel to drill a couple of holes in the top of the Flatline shroud, then attached the rail with small screws, nuts, and washers from the hardware store. I used to have a picture of the installation, if I can find it I will post it.
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Posted By: Sicilian
Date Posted: 07 May 2008 at 6:59pm
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yeah i got the DBB130 not the DBB130/3 dude thanks so much for your help. So what is the next step, is there a adapter or should i just buy a new scope?
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Posted By: Mack
Date Posted: 07 May 2008 at 7:17pm
I wouldn't buy a new scope. I found the picture of the rail I added so I'll post it first. (By the way, this is a good example of what the top of the old Flatline rails looked like.)

You can check a local sporting goods store and maybe find something along http://www.brownells.com/aspx/ns/store/ProductDetail.aspx?p=18690&title=3%2F8%22+DOVETAIL+TO+WEAVER+ADAPTER - these lines or could also check for more paintball specific products.
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Posted By: Sicilian
Date Posted: 07 May 2008 at 7:22pm
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Oh so there is an adapter.... but 32 bucks is alot for an adapter when the scope was only 35.
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Posted By: Mack
Date Posted: 07 May 2008 at 7:38pm
There are probably cheaper adapters, I just posted the first one that
showed up in my web search and had a decent picture. Someplace around
here I have a two-part adapter system that I purchased at Scheel's
Sporting Goods for another project and only paid about $8.00 for. If
you look around, you can probably find something inexpensive as well.
I don't think I spent more than $12.00 for all of the parts it took to
make the homemade adapter in the picture of the 98 I posted.
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Posted By: Sicilian
Date Posted: 07 May 2008 at 10:11pm
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I might buy a adapter off ebay or just get a weaver rail from dicks and screw it into the flatline barrel. Was what you did easy?
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Posted By: Sicilian
Date Posted: 08 May 2008 at 12:03am
hey mack i just orderd a Dovetrail 3/8" to weaver rail adapter off ebay...once again thanks so much for your help and lets hope this works well
P.S-----You were right it only cost like 10 bucks shipped on ebay
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