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SP-89 just got a 3 lug add on

9453 Views 17 Replies 10 Participants Last post by  raymond-
If any of you want your SP-89 or MP-5K SBR 3 lugged send me a email to [email protected] for a shot of mine.

S&H aka Curtis Higgins will do it on the original barrel for about $250. and 4 weeks turnaround time .

Great job just want to share the news.

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Doesn't the barrel of a SP89 right at the front sight base, just like on a MP5K? I have glanced at a SP89 before but never looked inside the end of finger guard over the muzzle. If the barrel ends flush at the front sight base, there is no barrel to thread?
I spoke to Curtis and he explained that he could weld onto the end of the sp89 barrel and attach the 3-lug adapter. You are right in that the sp89 barrel ends flush at front sight. I don't think anyone else is converting the sp89 barrels to 3-lug.
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