NEW! Coronet MK12 Low Profile Gas Block

Military Issued MK12 Gas Block

This is the military issued/contract gas block used on most Block II rifles including the MK18, M4A1 & URGI

Condition: New 

Manufactuer: Coronet Machinary Corp.

Cage 9K646

Includes:

1x gas block

2x set screw

1x gas tube roll pin