Siegetek Concept Cyclone Balanced (20.45 Ratio) gear set for V2/3/8 mechbox (9-tooth dual-sector) * (GS-B-C2) smith and wesson Magazine: 130 Round High Speed

Magazine: 130 Round High Speed Mid-Capacity Magazine (Compatible with most M4 magazines)

Features Real-time BB Counter: Shows the number of shots from 0 up to 9999

Knurled slide surface throughout the for positive hand manipulation

MUZZLE VELOCITY: 425 - 435 FPS (w/0

Siegetek Concept Cyclone Balanced (20.45 Ratio) gear set for V2/3/8 mechbox (9-tooth dual-sector) * (GS-B-C2) smith and wesson Magazine: 130 Round High SpeedFor those who strive for improved trigger response and rate of fire performance, we offer the Cyclone Dual Sector Gear System. The Cyclone Dual Sector Gear, in addition to retaining all of the benefits of our standard gear sets, provides the following advanced features: Cyclone Dual Sector Gear Evolutionary Dual Sector design allows unprecedented ROF potential with two shots per sector gear cycle! Half cycle cut off system retains semi automatic fire