Sig Sauer 556 Parts Kit - M4 Style

Sig Sauer 556 Parts Kit - M4 Style

Sig Sauer 556 Parts Kit - M4 Style

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Sig Sauer factory parts kit for the original style SIG556 with the original style trigger casing.

Firing Pin
Firing Spring
Take Down Pin Plunger
Take Down Plunger Spring
Recoil Spring
(2) Spring Pins
Support Washer
Crush Washer

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