BCA Welded Steel AEG Gear Set (13:1 / 12:1) Barrel and Hop Up Upgrades - 100% CNC Aluminum Alloy

- 100% CNC Aluminum Alloy Upper receiver

Another aesthetic change includes a "stealth" bolt charging handle which is low profile

Designed for the look of today's flash bangs used by military and law enforcement

The processor actively compensates for the change in burst time with a decrease in the rate of fire due to battery discharging

and has high oil resistant and abrasion resistance

BCA Welded Steel AEG Gear Set (13:1 / 12:1) Barrel and Hop Up Upgrades - 100% CNC Aluminum AlloyThe new BCA Welded Steel Gear Set is an improvement upon traditional 13: 1 offerings in that the bevel gear and step gear are welded together, as opposed to being press fit like other brands. One of the most common failures from older 13: 1 gear set designs was the press fit components coming apart and spinning freely and independently inside the gearbox not what you would want for the sake of your ears and tech's sanity. Welded gears will ensure that