MECHLABS NEXXUS HPA ENGINE GEARBOX FOR M4/M16 AIRSOFT AEG Couleur:Black It's a simple

It's a simple

and Mk23 platforms now holds up to 32 BBs and features increased resilience

keeping the weight to a manageable 1

Smoke: Non-toxic

while remaining easy to install and remove

MECHLABS NEXXUS HPA ENGINE GEARBOX FOR M4/M16 AIRSOFT AEG Couleur:Black It's a simpleMECHLABS NEXXUS HPA ENGINE GEARBOX FOR M4 M16 AIRSOFT AEG the mechlabs nexxus nexxus hpa engine gearbox is an entirely mechanical hpa system designed for m4 ar15 airsoft aegs. this engine requires no battery; simply connect an hpa tank to fire in semi or full auto. it offers ultra fast trigger response and high efficiency, delivering over 3,000 shots per 48 4500 fill. Features operation: fully mechanical engine no battery required. construction: