Specna Arms Rock River Arms Licensed EDGE 2.0 Series

Features Aluminum alloy upper and lower receiver with licensed Rock River Arms trademarks Scratch- and weather-resistant nano coating Orion 8mm gearbox comes pre-installed with a reinforced piston with steel teeth, aluminum nozzle, polymer double-sealed piston head w/ bearings, ball bearing spring guide, and steel gears ESA2 (Easy Spring Access) system allows tool-free spring swaps in a matter of minutes or even seconds Pre-installed GATE ASTER MOSFET system 380 fps spring pre-installed from factory, optional 310 fps (M90) spring included to reduce muzzle velocity Rotary type hop-up with Specna Arms's Helium flat hop rubber and 6.03mm tight bore barrel Strike Industries licensed STRIKE M-LOK handguard allows you to mount lights, lasers, grips, optics, and other accessories Solar flat competition-style trigger Flip-up front and rear iron sights with day & night apertures Ambidextrous sling loops on rear of receiver The brand-new, upgraded EDGE 2.0 system has a number of upgrades t