I'm building a 338 lapua improved and had planned to use the seekins 3.990 DBM but I can not find them in stock anywhere. Does anybody have any info on where some of these can be found. I'm trying to build this for an elk hunt this year and I need to get get my parts together. Has anyone used the wyatts 338 DBM, are they of comparable quality, they seem to be a little more available and still have about 3.80 OAL. Thanks