Hi,
Sorry for an incredibly basic question but search terms to vague to give me an answer.
I have a new Daniel Defense MMD4 with an M-Lock rail. There are several round holes that sure look like QD mounts BUT none of my QD's will work in them. The go in, perfect fit, but do not lock.
Since most QD mounts stand proud enough of the surface to not need a specific spot relieved I'm at a loss for what these round QD lookin' holes are for....
I had a DDM4 pistol with M-Lock and was sure my sling worked in these holes.....maybe I got lucky and they just held somehow bit the new one the QD's pop out with minimal effort.
Sorry my experience with M-Lock is minimal....
Thanks!
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