Double bell Bolt Set for 98K Shell Ejecting Gas Rifle (Gas Version) Battery-Plug_Large Tamiya The magazine release button is

The magazine release button is also in Ambidextrous design

and the fine-tuned angle helps lead the user's arm and shoulder into a contoured comfort zone

Blow Back System

Anti-Scratch

It does not require a PDI taper cylinder head

Double bell Bolt Set for 98K Shell Ejecting Gas Rifle (Gas Version) Battery-Plug_Large Tamiya The magazine release button isDouble bell Bolt Set for 98K Shell Ejecting Gas Rifle (Gas Version) Metal Construction Design for Replace the Original Gas Bolt Set Suitable for Double Bell 98K Gas Power Shell Ejecting Rifle (GN 102) As always, upgrading sniper rifle require necessary skill & technique to dissemble the gearbox, consult expertise if needed