Guarder Enhanced Recoil / Hammer Spring (150%) for Marui MEU / M1911 GBB reg_SG G&P CQB Railed Handguard with

G&P CQB Railed Handguard with SAI QD System for TM M4/ M16 Rifle (Gray)

Protective shoulder for left side bolt release

80 Degrees hardness for higher FPS builts

bolt catch and charging handle fit for both left/right hand user

Please refer to your airsoft gunsmith for proper installation / fitting

Guarder Enhanced Recoil / Hammer Spring (150%) for Marui MEU / M1911 GBB reg_SG G&P CQB Railed Handguard withGuarder Enhanced Recoil Hammer Spring (150%) for Marui MEU M1911 GBB Oil Quenched Tempered Si Cr Alloy Steel Wire Construction 150% Stronger than the original springs Recoil Spring produces stronger & faster blowback feel Suitable For Tokyo Marui MEU M1911 Series Airsoft Gas Blow Back GBB Pistol