DAS - GDR15 Piston Spring (M100) ACS Takes 1x 1620 cell battery

Takes 1x 1620 cell battery (not included)

- Build: Polymer Frame / Metal Barrel

and the MUR Custom Carbine also features a QD

5" Barrel

- No injection molding metal parts

DAS - GDR15 Piston Spring (M100) ACS Takes 1x 1620 cell batteryGBLS GDR15 416 M100 Main BCG Spring GBLS DAS GDR 15 upgrade or downgrade spring purchased from GBLS will be used installed at the owners discretion. Actual performance results depend on the quality of installation, Airsoft AEG types inner barrel length, tightness of the air nozzle seal, and other possible performance affecting factors. We are not responsible for any damage that may occur with improper installation. For best results, please do all