Lightweight and reliable - Magpul Industries PMAG 7.62 AC - AICS Short Action Magazine, 5 Rounds, 7.62X51mm NATO

Not much more to say . It does what it's supposed to do without fail . But OP insists on more info, so here we go : If you want to hand load ammo you ' re going to be limited by the mag length and may not be able to reach the lands.