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RSR Stock #: CMMG91AFF52
Manufacturer Part #: 91AFF52
UPC: 810046234631

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CMMG, 9MM Parts Kit, MK9, Includes: Carbine Buffer Spring, Carbine Buffer, MK9 Mag Release, MK9 Bolt Catch, Colt/Metalform Mag Optimized Feed Ramp


WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to


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