20 gram BBs downrange at 315 FPS and works great with your 7

but 27 rounds

The KPM Mounting System (KPM) is a modular mounting system that includes all the hardware and tools for mounting the KPM Bipod to KeyMod™ slots

which provides positive shoulder purchase to prevent slippage even with body armor or modular gear

△ Contains a Brighter C tracer unit

COWCOW AAP-01 Nozzle Set Retro Arms 20 gram BBs downrange atInjection molded polymer construction Designed and recommended for advanced players High impact resistance Superb performance, air seal and durability The vale pin lock is more durable and stable than the traditional design Use a new generation non rotating valve Including plastic nozzle valve, valve spring, nozzle, valve pin lock & enhanced piston head For AAP01