Yes. the mag will need some adjustment but they work well..the mag allows 3.6" OAl. (Ai 300 Win Mag magazine)I have mags and SBM for them all, so let me know and we can help you thanks
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: RobG</div><div class="ubbcode-body">The AICS LA .300 mag will work no problem with tons of room to spare. </div></div>
I have a 6.5-284, using CDI Precision bottom metal. Jeff adjusted the magazine feed lips and they function flawlessly. I also have a 300 Win Mag and they actually work better with Jeff's modifications.