Year before last the son of a man that I went to school with had a Moosberg bolt hit him in the face when he fired it at a Deer with factory loads (not reloads, the was/is not a reloader). The bolt lugs are pinned to the bolt body and the pin broke when the bolt closed and the lugs did not fully close. When he fired the rifle the lugs opend and the bolt him in the face. He survived and had to have reconsructive surgery. The doctor that performed the surgery said that he was the second victim that he had performed the exact surgery on another patient caused by another Mossberg.
IMHO the Mossberg rifle is a danger and I would not own or shoot one.
The Marlin XL7 bolt action rifle that I looked at has a pin that holds the locking lug section to the bolt body. It may be similar to the Mossberg?
"Up front, the bolt is very similar to the Savage Model 110. The bolt head is a separate piece that is pinned to the bolt body."
