Swiss SIG 551 Barrel Gas block and front sight - 16" LB Barrel
Swiss SIG 551 LB .223 Barrel with Gas block and front sight

Swiss SIG 551 Barrel Gas block and front sight - 16" LB Barrel

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On sale $999.99
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Part Number:1653
Factory Swiss SIG 551 LB Barrel and flash hider in new take off condition. 

16" Swiss barrels and trunnions have a different thread pitch than US manufactured trunnions 556 and 551A1 thread pitch. Barrel gas block and front sight (+N) assembly.

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