Replacement firing pin and retaining pin for Mk57 Bolt
Kit Includes:
- Mk57 (5.7×28) Firing Pin
- Firing Pin Retaining Pin
Parts Kit, Firing Pin Kit, Mk57, 5.7x28mm
CMMG Shippable
$24.95
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- SKU:
- 57AFFDE
- UPC:
- 816422029204
