The only difference that I know of is P-Mag vs. E-Mag. The E-Mag was designed to work with rifles like the HK416 while the P-Mag should work in any standard AR lower.
The only difference that I know of is P-Mag vs. E-Mag. The E-Mag was designed to work with rifles like the HK416 while the P-Mag should work in any standard AR lower.
good topic what are the rev m pmags what makes them better?