Airsoft Masterpiece AM Huge INF Style Magwell For Marui TM Hi-Capa GBBP Series Color:Grey This means you can use

This means you can use popular drum magazines like the AW-DRMG10 with your M4 AR GBB rifle

precision-machined brass inner barrel for consistent

MF201140307 (Black)

- Low Profile Magpul M-LOK mounting system interface

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Airsoft Masterpiece AM Huge INF Style Magwell For Marui TM Hi-Capa GBBP Series Color:Grey This means you can useCNC Aluminum Constructed Magwell INF Style XL Huge Type Extra Large Design For Fast & Easy Reloads 3 Color Options Compatible With Marui TM Hi Capa GBBP Series ( For Aluminum Grip Only ) * Does NOT Fit Original Marui TM Polymer Grip Module * Package Included: Airsoft Masterpiece AM Huge INF Style Magwell For Marui TM Hi Capa GBBP Series Retention Pin