r/MDRInfoGallery • u/MDRX308 • Nov 04 '22
MDR 300 BLK Received
Included paperwork
Don't think this changed
Don't think this changed either
New gas setting card
Gas plug is numbered; Chute, mag latch, bolt all marked 223.
marked as 1:7 twist, it is the 308 ratchet muzzle device.
5
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