Almost finished with a 308 Shorty Hunter and to the point when I need to think about glass...

I am a fixed power kind of guy but I want to be able to hunt dark deep woods and bean fields so a variable is the only option for inside 100 in the woods or out to 500 on the far side of a bean field if the shot presents itself I'll take it...so lets call that 0-600 for arguments sake...I have always used a 200 yard zero (hold over from the Corps) I am looking hard at the Nikon M-308 4x16 BDC reticule calculated for the SMK 168...or the SWFA 3x15 as I have 2 other SWFA scopes now and am very satisfied with them...

My bullet/load of choice is FGMM or its clone 41.7 gr of IMR 4064 with a 175 SMK, yes.... GASP...I use SMK match bullets to hunt with...never had a deer take more than another step or two and most DRT in their tracks

Does anyone know if NIKON makes a turret for the 175 SMK or if anyone else makes a mid range scope that uses the 175 ballistics? Using Strelok I find that they are so close its almost a dead heat...using 2600FPS for both as starting velocity and with BC's of .462 for the 168SMK and .496 for the175 SMK looking at the table below it seems like the NIkon with its 168 turret is almost or nearly close enough to run the 175...am I missing something? Over simplification?

****168***175
200 0" 0"
300 -8.9" -8.74"
400 -25.91" -25.28"
500 -52.36" -50.91"
600 -89.92" -87.01