57AFFDE 22996

CMMG Parts Kit, Firing Pin Kit, Mk57, 5.7x28mm

$24.95

Category: R.D.B. UPPER PARTS Tag: CMMG Parts Kit, Firing Pin Kit, Mk57, 5.7x28mm

Description
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Parts Kit, Firing Pin Kit, Mk57, 5.7x28mm

Replacement firing pin and retaining pin for Mk57 Bolt

Kit Includes:

Mk57 (5.7×28) Firing Pin
Firing Pin Retaining Pin

TECHNICAL SPECIFICATIONS

PLATFORM

MK57

CALIBER

5.7X28MM

OPERATING SYSTEM

RADIAL DELAYED BLOWBACK

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