the AAP-01 still retains many internal cross-compatibility with current gas pistols

The Classic Army Nemesis X9 1400 rds

and service

CowCow Technology Ultra Lightweight Blowback Unit for AAP01

and lightweight to keep your P90 mobile and easy to access

Lancer Tactical 14 Teeth Reinforced Aluminum Full Stroke Piston with CNC Steel Teeth (Color: Red) stubby the AAP-01 still retains manyLancer Tactical 14 Teeth Reinforced Aluminum Full Stroke Piston with CNC Steel Teeth Specifications Brand: Lancer Tactical Construction: Aluminum Piston with CNC Steel Teeth Compatibility: For Tokyo Marui Spec V2, V3, and other compatible Airsoft AEG Gearboxes Color: Red Features Durable aluminum construction allows for this piston to be durable Heat treated carbon steel that is more durable and reliable over polycarbonate Drop in design that works