Sorry if this belongs in the pistol or the gunsmithing forum, I wasn't sure exactly where to post it.
Will the handguard on the MP5k(red background) fit my SP89(Tan/gray background) as well? Also, what if anything would I need to add the MP5 3 lug muzzle break?
Will the handguard on the MP5k(red background) fit my SP89(Tan/gray background) as well? Also, what if anything would I need to add the MP5 3 lug muzzle break?

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