I hate to rain on anybody's parade when they've found something that works for them Dimepuncher, so I hope the early promise is fulfilled when you can get more shooting in with the 240gn SMK. Like Cole, I do have some reservations as this is a wheel that has been invented many times before and has usually turned out to be less than round in extended usage.
Apart from Cole's almost certainly sound advice on stability, read up on Bryan Litz's views on .30 calibre match bullets. He states the 240gn SMK has too long a bearing surface length in relation to its nose and tail section lengths. This results in a poor BC value for the weight and excessive barrel copper fouling thanks to the large bullet-bore contact area. It was the latter feature that apparently killed this bullet in the days when .300 Magnums ruled long-range shooting.
I believe the new generation 210s are much more efficient bullets. The fact that UK and British Commonwealth Match Rifle (.308W at 1,100-1,500yd) shooters never used the 240, sticking instead to the 190 to 220gn SMKs and have mostly now shifted to the 210s tells you something. The shorter lighter bullets also allow slower rifling twists (1-11") and that means a slight increase in MV (less energy used in spinning the bullet up), every last few fps MV important to these competitors.
The other thing to watch is what Berger turns out in the coming months. It is a poorly kept secret that Bryan Litz is designing a complete new family of .308" bullets with the intention of achieving 'form factors' equivalent to the best of the 6.5 and 7mm designs. The thirty-cal equivalent of a 180gn 7mm will be in the 225-235gn weight range and should be an interesting bullet if and when it appears. It may revitalise .300 short magnums for competitive shooting. Whatever weight results in the step below (200-215gn) may be what .308W needs for some applications. Beware recoil and torque though from heavy bullets even in F/TR class rifles with big-foot bi-pods. It does degrade rifle/shooter performance - many British F/TR shooters are returning to 155s after dallying with 185-210gn weight bullets.
By the way, I'm also really sorry to have to tell you this, but your external ballistics figures are out. Bryan Litz's field tests (Applied Ballistics for Long Range Shooting as advertised on AccurateShooter) give the 208gn A-Max a G7 BC of 0.324, and the 240gn SMK 0.332. A 240gn bullet at 2,400 fps produces 3,070 ft/lbs ME (a good figure - I assume your Savage is a 30" barrel competition model to achieve this?) and it takes 2,578 fps MV for the 208gn bullet to match that value, so that should be achievable.
Berger Ballistics G7 ballistics program available with the above book or free from the company's website gives the following relevant values at 1,000yd for the pair:
208gn A-Max 0.324 G7 BC 2,578 fps MV = V1,000 of 1,381 fps W. Drift 1,000 of 75.02"
240gn SMK 0.332 G7 BC 2,400 fps MV = V1,000 of 1,276 fps; W. Drift 1,000 of 81.7"
both under standard environmental conditions.
Laurie,
York, England