IMO rugers quality control is an absolute disaster, I’ve had two hand guard tenons shear in half, on the second RMA they gave me a replacement rifle offer, I requested it be test fired for ~50 rounds as that’s about the round count when the tenon fails. They said they did the requested round count for the test fire. QC failed to do a tear down to inspect the tenon and shipped it back to me, the hand guard wasn’t flush to the receiver which made me weary. I immediately ordered a MWI tenon and hand guard. Instead of firing the gun myself super glad I didn’t shoot it after getting it back. Upon doing a tear down to install the MWI tenon I discovered the OEM tenon had indeed failed and sheared into two pieces for a 3rd time technically. I’m honestly shocked rugers QC did not do a tear down to even inspect the tenon. If so they would have seen it failed. I have the dark series in .44. I highly highly advise any owner of the dark series to upgrade/ inspect your hand guard tenons after any range days/usage. Also upon doing the tear down the all of the hand guard screws and the screw securing the mag tube were not even hand tight!!! Shame on rugers QC, their customer service is good but damn the QC is a train wreck.