G&G TR16 GMSII MK1 Light Weight Polymer 556 The AAP-01 Drum Magazine is

The AAP-01 Drum Magazine is compatible with all TM-spec airsoft pistols

While not as robust or efficient as the Infinity series

Lockback feature locks bolt open after last shot on compatible guns

4 inches (Retracted / Extended)

-Competition style trigger

G&G TR16 GMSII MK1 Light Weight Polymer 556 The AAP-01 Drum Magazine isTR16 GMS II MK1 LWP Pre Installed with GATE ASTER II Bluetooth: The GATE ASTER II Bluetooth has an optical sensor for trigger sensitivity and sector gear positioning. This is fully programmable via GCS mobile app. Includes the following settings: Precock, fire selector options, active braking, and trigger sensitivity adjustment. Additionally includes a built in diagnostic feature, for those who want the utmost details about their rifle operations. In