Holosun ARO-MRS-GR Multi-Reticle Green Dot Sight NBB You'll find all the electronics

You'll find all the electronics inside the gearbox (free space in the butt stock or the grip)

Length: 74×24 cm Weight (Metal): 2

their original product

Magazine capacity – 32 BBs

Fully Licensed by COLT Canada (via Cybergun & EMG)

Holosun ARO-MRS-GR Multi-Reticle Green Dot Sight NBB You'll find all the electronicsARO (Advanced Rifle Optic) is an advancement on our popular 20mm 403 and 503 series optics. ARO features an all new 22mm housing design that mates perfectly with our magnifier series and an all new 1. 63 lower 1 3 co witness pedestal mount. ARO is available as a 2MOA dot only or with our Multi Reticle System (MRS) in Red, Green, or Gold. In the Box 1x 1x ARO MRS GR Optic 1x 1. 63 in Optic Mount 1x 1. 05 in Optic Mount 1x Multi tool 1x Wrench 1x