holosun 510c fde gr alu you need to replace the

you need to replace the main spring plug for another one - such that is without the lanyard loop

Six sets of common mounting screws

This gives the shooter dependable manual control in changing light conditions

S footprint

holosun 510c fde gr alu you need to replace theThe HE510C GR is an open reflex optical sight designed for rifle and carbine applications. Features include Holosuns Green Super LED with up to 50k hours battery life, Multi Reticle System, Solar Failsafe, and Shake Awake. Green MRS: Circle Dot; 2 MOA Dot; 65 MOA Circle Up to 50,000 Hours Battery Life (Setting 6) 12 Brightness Setting: 10 DL & 2 NV Compatible Convenient Tray Battery Compartment Parallax free & Unlimited Eye Relief Specification