Holosun Red Dot Reflex Sight (HS510C) Type_42 Cal Recommended for use in barrels

Recommended for use in barrels with twist rates from 1 in 7" to 1 in 8" only

Side Parallax focus

it features a precision load cell with 1/10th grain accuracy and constant readout up to 500 grains

and features interchangeable component parts along with bayonets and accessories

Holosun Red Dot Reflex Sight (HS510C) Type_42 Cal Recommended for use in barrelsThe HS510C is an open reflex optical sight designed for rifle and carbine applications. Features include Holosuns Super LED with up to 50k hours battery life, Multi Reticle System, Solar Failsafe, and Shake Awake. Key Features: Solar Failsafe & Shake Awake Multiple Reticle System MRS: Circle Dot; 2 MOA Dot; 65 MOA Circle Multilayer Reflective Glass Up to 50,000 Hours Battery Life (Setting 6) 12 Brightness Setting: 10 DL & 2 NV Compatible Convenient