Hakko makes the exact scope you're looking for... IF you can find one. From what I've read here, they used to MAKE the old Colt scope. From what I've handled, they make quality stuff. I'm quite pleased with my new BED24, but that's a red-dot and not what you're looking for.
I'm really tired and headed to bed, but if you do a search for "Hakko" you'll find the links you need.
*edited to add - OK, so I searched anyway [:)] [url]http://www.hakko-japan.co.jp/optical/english/mp.htm[/url]
You'll notice that the two scopes that LOOK like Colt scopes start with "CO" as part of the item number.
Also, I e-mailed Hakko a while back asking them about these newer "LEO" models for the AR15. They gave me this:
Dear sir,
Thank you very much for your inquiry.
As long as we know, below company should be carrying the scope in the U.S.A.
You may wish to contact them.
C.M.O.
tel : 912 966 1900
Best regards,
Nozomu NAGATA
HAKKO CO.,LTD.
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After a Google search of the phone number, I came up with [URL]http://www.cmoscopes.com/[/url]
Although a much better price (and much lesser selection) can be found here: [url=http://www.thegunsource.com/shopping/store/manufacturer_name.asp?idmanufacturer=14&idcategory=8]The Gun Source[/url]
*edited again to add: OK, I SWEAR I'm going to bed after this, but after re-reading what you wrote:
I want one with some magnification so that I can hit stuff the size of a tin can at 100 yards, but I don't want to spend a lot of money on it.
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You don't need a magnified optic for that. You can hit a tin can at 100 yards with iron sights, or with a red-dot optic. An inexpensive but still quality suggestion is (you guessed it) the Hakko BED24, or the OKO red-dot. I know that most of the guys on here will flame me out of existence, but the Tasco "Red Dot" brand 30mm scope with the built in mount for $28.99 is one heckuva good plinking optic for the AR15. (I'll be sleeping with flame retardant covers tonight BTW).
Good luck