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CMMG Product #57AFF37

Parts Kit, Bolt Maintenance, Mk57, 5.7x28mm

PRODUCT #57AFF37

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$34.95
Free Shipping over $150.00

Product Restrictions

Expected to ship within 15-30 business days. AR Parts Notice - State/local restrictions may apply in CT, DC, IL, MA, NJ, NY, or WA. Customers must review our Shipping Policy prior to ordering.

WARNING: Cancer and Reproductive Harm | https://www.p65warnings.ca.gov/

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Parts Kit, Bolt Maintenance, Mk57, 5.7x28mm

Replacement parts for Mk57 (5.7×28) Bolt

Kit Includes:

  • Mk57 (5.7×28) Extractor
  • Extractor Spring
  • Extractor Pin
  • 1-16″ Roll Pin
  • Extractor Buffer
  • Mk57 (5.7×28) Ejector
  • Bolt Spring
  • Ejector Spring

Specifications

Platform Mk57
Caliber 5.7x28mm
Operating System Radial Delayed Blowback

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