Daniel Defense DDM4 Critical Components Kit - DDM4/AR15/M16 (5.56MM/6.8 SPC/300BLK)

This Daniel Defense Critical Components kit contains frequently requested parts for your DDM4/AR15/M16, chambered in 5.56MM, 6.8 SPC or 300 Blackout, in one convenient package. The kit contains the following components: Firing Pin Firing Pin Retaining Pin Bolt Gas Rings Extractor Spring O-Ring Extractor Spring Assembly M4 Standard Extractor Pivot Extractor Pin Ejector Ejector and Safety Detent Spring Carbine Buffer Spring Retail Assembly