4UANTUM Magnus Pro Precision TDC Hop Up Chamber For UMAREX / GHK Glock 17 G17 Gen5 MOS GBBP GBB Rifle - Magazine Capacity: 48 Rounds

- Magazine Capacity: 48 Rounds

High-Capacity Cylinder and key parts of internal action made by steel

Barrel Length: /mm

Magazine Type : STD

4UANTUM Magnus Pro Precision TDC Hop Up Chamber For UMAREX / GHK Glock 17 G17 Gen5 MOS GBBP GBB Rifle - Magazine Capacity: 48 RoundsFOR AIRSOFT USE ONLY! For GHK G17 Gen5 MOS GBB use ONLY! NOT compatible with GHK G17 Gen3 model. NOT compatible with DCG EMG TTI G34 G34 MOS GBB seires (GHK G17 Gen3 sysetm). Required to DIY ability. The inner barrel and HOP UP bucking are NOT included, which need to be purchased separately. It is recommended with "4UANTUM Friction Pro" HOP UP Bucking. (GBB SPEC.) It is NOT recommended with original GHK HOP UP bucking (rubber). Compatible BB weight