Here2learn
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- May 21, 2017
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I realize this question has nothing to do with a muzzleloader. It does however, pertain to muzzleloading sabots. I hope some of you can be of help. This year Ohio has added the 450 Bushmaster to the list of accepted straight wall cartridges. The 450 BM shoots a .451/.452 bullet. Ruger recently released a few bolt action rifles and the No.1 in 450 BM. I have purchased two Ruger American 450s. One with a 16" and one with a 22" barrel. Since this rifle is built on a Ruger American short action and the 450 was developed for the AR-15 there is a lot of space left open in the magazine. I plan on reloading for this rifle. The twist rate on these rifles is 1/16". I am anticipating velocity at 2500 fps +/- 100fps with 250 grain bullets. The two bullets I know I am going to try are the Parker 275 Ballistic Extreme and the Parker 270 Emax. The other two I have considered are the Lehigh .400 215 CF (Advertised BC is .330) in a sabot and the .358 250 Speer Hot-Cor in a sabot. (Advertised BC is .389) I would try one of the two PR .357/.358 sabots. My questions are. Would a sabot hold up to these velocities? I realize there is a good chance the .358 drills the sabot. I also realize the .358 wouldn't be legal in a lot of places. Would somehow putting a copper gas check on the base of the sabot help any? Or will the 1/16" twist tear it apart. My most important question is would this be safe to try out? The ballistics on the .358 are amazing... if it worked.