This is because the spring guide is not fixed in the gearbox but has will for easy removing with hex key

Full Blowback Action

the MI-7 paintball goggle is an instant upgrade that will help any player enjoy the game of paintball safely thanks to a more comfortable fit and a wide

Otherwise there could be situation

Short 1913 Picatinny Rail 0

KWA Ronin 6 TK.45C PDW, T6 Tactical & QRF MOD Series - TBEU™ Tanker Battery Extension Laylax This is because the springThe Tanker Battery Extension Unit (TBEU) is designed specifically for the KWA PDW Series used to connect a larger battery to the gun while keeping it external to the gun's body. This allows players to use higher capacity batteries for longer gameplay without compromising the aesthetics or functionality of the airsoft gun.