Fortis is a good investment - Fortis Manufacturing Magazine Catch And Release

I purchased the ODG from OP and I got the contractors series directly from Fortis. I build my lowers. I use the AP M4E1. These fit perfectly. Look even better. The Contractor Series looks great, but they weigh a little more than these normal ones. Both look fantastic. Smooth dropping of the mags. Didn't matter if they were composite or metal. Had no issues myself. A good buy. Recommended.