Echo 1 Rear Sight for M4/M16[SF01][01710 / ECHORS]
Attaches to various flat top M16 variant upper receivers. Designed for use with standard Weaver rail systems. The Echo 1 Rear sight is made of aluminum and steel, giving it a very durable construction. The height of sight will line up with standard front sights and/or flip front sights.
- Manufacturer: ECHO 1
This sight is the so great! Gives the your M4 a great tactical navy seals/socom look.
Two lighting sights
great little sight for a more tactical look, but on my particular one the small peep hole is too small to see through, like there is metal flashing in it. I might be able to use a small bit to drill the hole large enough to see through.
good fit, and feel
small peep hole is too small to see through without possible diy