So to wash it, a single would have to carry the Allen wrench. The screws would also should be locktited, or no less than I'd personally want them locktited. In one of several videos I watched on the Model to the navy M14/M1a, among the statements was the rifle needed https://johnathannpaof.thenerdsblog.com/37607467/ebr-chassis-m1a-no-further-a-mystery