BCA Service Hop-up and Barrel Installation (Per Unit) Pistons & Piston Heads Fit for all 20mm rails

Fit for all 20mm rails

Extendable stock allows you to adjust the length of a rifle to fits your body

TSA-style locks for extra security

Capacity – 30/120 Rounds

Featuring:

BCA Service Hop-up and Barrel Installation (Per Unit) Pistons & Piston Heads Fit for all 20mm railsAre you looking for more effective range and the ability to hop heavier BBs with your gun? The most effective way to do so is to upgrade your barrel, bucking, and hop up chamber. We can install and tune barrel groups for AEGs, HPA guns, GBBs, GBBRs, and BASRs. BBA will install and inspect all components for proper air seal, alignment, and feeding. This is usually done while you wait. Please note that the same fee applies whether all components in a