CMMG MK57 5.7x28mm Bolt Maintenance Kit

Description: CMMG MK57 5.7x28mm Bolt Maintenance Kit. This bolt maintenance kit from CMMG contains essential parts for the CMMG Mk57 series of firearms such as the DISSENT, BANSHEE, and RESOLUTE. The kit includes the extractor, extractor spring, extractor pin, a 1-16" roll pin, extractor buffer, ejector, bolt spring, and ejector spring. Rely on factory-original CMMG parts and accessories to keep your MK57 in top shooting shape.

Includes:

• Mk57 (5.7x28) Extractor
• Extractor Spring
• Extractor Pin
• 1-16″ Roll Pin
• Extractor Buffer
• Mk57 (5.7x28) Ejector
• Bolt Spring
• Ejector Spring

Note: It is recommended that all CMMG parts be installed by a qualified and trained gunsmith.

Manufacturer: CMMG

PRODUCT SPECIFICATIONS:

• Brand: CMMG
• Caliber: 5.7x28mm
• Finish / Color: Black,Unfinished
• Firearm Type: Pistol,Rifle
• Material: Steel
• Models Fit: CMMG DISSENT,CMMG BANSHEE,CMMG RESOLUTE