Settable Shooting Control Unit (SCU) for multiple (1~20) round burst

Being operated on a spring power source eliminates the need to purchase gas or charging a battery

UMAREX GLOCK and other GBB Pistols w/ VFC Blowback SystemDisclaimer: Please use discretion when installing custom parts as fit and compatibility may vary

6V nun-chuck Matrix 2300mah battery (you will need the stock extension to house the battery OR duck tape)

Weight: 1580g

Prometheus Fast Cycle EG Hard Gear 13:1 Airsoft HK416 Settable Shooting Control Unit (SCU)EG Hard Gear 13: 1Rated for 400+ FPSExtremely strong forged Japanese steelMADE IN JAPANRedesigned bevel gear for improved semi auto responsePrecision machined, quiet gear mesh soundPerfect pairing with the Prometheus anti reversal latch and pinion gear The proven EG Hard Gear series with over 10 years of service are precision machined, made in Japan, heat treated, and forged to the highest standards. Due to such precision machining, you can expect a