These AR-15 Lancer 5.56 magazines have been re-machined by Tromix to allow even the most flat/blunt nosed .375/.458 bullets to feed properly.
Fully functional with 20 rounds of 5.56/.223 ammunition as well as 7 rounds of 458/375 SOCOM ammunition.
These magazines do not function properly with 450 Bushmaster ammo at full capacity.
*These magazines do not come with Tromix center feed followers or base plates.
**No shipments of 7/20 round magazines to restricted locations.
These magazines are only for use in rifles that accept AR-15 magazines.