Swiss SIG 551 553 556 Bolt Carrier Group - 5.56 - New
Swiss SIG 551 553 556 Bolt Carrier Group - 5.56 - New

Swiss SIG 551 553 556 Bolt Carrier Group - 5.56 - New

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On sale $524.99
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Part Number:1939
Swiss SIG 551 553 556 Bolt Carrier Group - 5.56 - New

Factory Swiss Sig 550/551/552/553/556 Bolt Carrier Group

Complete and Matching Numbers - New Condition

The unit includes extractor, extractor spring, extractor pin, firing pin, firing pin spring, firing pin retaining pin, and bolt head.  

This bolt head is compatible with the SIG 556. 

SIG 55x parts have been very difficult to find, perfect spare in case of worn parts, loss, or damage.

Once these are gone we have no more!  

Stock Photo

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