If you're in search of an affordable red dot sight with the iconic open reflex look and more than its fair share of functions, the Delta Armory Multi-Reticle Open Reflex Red Dot Sight is one to watch. Constructed from aluminium with an integral 20mm Picatinny rail mount, this red dot sight is powered by a CR2032 button cell with the choice of red or green reticle illumination in 5 brightness levels.  
 
Your choice of reticle can be selected via the dial on the rear of the sight, offering a simple dot, ringed dot, cross or ringed cross reticle, perfect for any environment or preference. With an integral mount, all the reticle options one could ever need along with full adjustment when it comes to zero, reticle colour and brightness, the Delta Armory Multi-Reticle Open Reflex Red Dot Sight is an impressive bit of kit for an equally impressive price!
 
Features
Aluminium construction - Steel mounting bolts
Integrated 20mm Picatinny rail mount - Fits 20mm Picatinny rails via 2 Allen bolts
Reticle selector at the rear - 4 Different reticles to choose from
Illumination dial on the top - Choose between red or green illumination in 5 different brightness levels
Zero adjustment via Allen bolts on the top and left side - Marked with "UP" and "R" respectively
Battery compartment inside the illumination dial - Use a coin or flat tool to access
Reticle options:
Dot - A small dot, just like other red dot sights
Ringed dot - Dot inside a ring, great for speedy shooting up close
Cross - A scope style cross reticle, great for engaging moving targets
Ringed Cross with centre dot - Dot for precision, ring for speed, cross for leading fast movers!
Battery: 1x CR2032 3V Button Cell (included)