Can you ID my BUIS

Looks like a Samson to me. I'd say either that or Troy, but the front plate doesn't look angular enough - unless it's an older version I'm unfamiliar with.

IIRC, the OE BUIS on the Sigs weren't very good. Most swapped them out quickly after getting the rifle. Maybe ask the original owner?
 
Looks like a Samson to me. I'd say either that or Troy, but the front plate doesn't look angular enough - unless it's an older version I'm unfamiliar with.

IIRC, the OE BUIS on the Sigs weren't very good. Most swapped them out quickly after getting the rifle. Maybe ask the original owner?

Yeah I've already asked the original owner and he wasn't sure. It seems really solid and well made. A lot better than the magpul BUIS I expected to be on the rifle
 
Samson. It comes on the Ruger SR 556 also. On the Ruger the HK front has Samson stamped on it but the rear one doesn't. I checked their website, some have the name and done don't. Strange. But, it's still a really decent quality BUIS.
 
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Brownell's sells Samson fronts. Here u go, should work with your rear. Check the specs tab for the height of these ones before ordering.

h ttp://www.brownells.com/rifle-parts/sights/front-sights/sig-556-522-quick-flip-folding-front-sight-prod40199.aspx
 
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