dbm
i too am looking into the DBM from what i have found Glen Seekins offers the most O.A.L. in his system,and from what people on other forums are saying his is one of the best built bottom metal systems ATR carries them in Canada his o.a.l. for the 338 Lapua is 3.90 and for the wsm it is 3.10" which is a couple hundred thou. longer than most other systems,starts to become an issue when loading VLD type bullets