Guarder Power Up Hammer Spring for MARUI G17/19 Gen5 MOS Category_Magazine Rubber HK M4 300 Rounds Aluminum

HK M4 300 Rounds Aluminum Magazine

for expert or airsoft gunsmith

HFC22 Gas Power (Muzzle Velocity) 300 FPS (Top Gas Test @ 25°C Room Temperature) / 260FPS (HFC134a Test @ 25°C Room Temperature - Recommend) Manufacturer APLUS Custom Package Includes APLUS Custom KJ Works P226 with LM Process

These were Mk 11s equipped with the upper receiver of the M110 Semi-Automatic Sniper System

Barrel at 6

Guarder Power Up Hammer Spring for MARUI G17/19 Gen5 MOS Category_Magazine Rubber HK M4 300 Rounds AluminumSuitable for 22kg High Pressure GAS For MARUI G19 Gen5 MOS GBB System Only Material: Steel Color: Black Item no.: GLK 570 (The following content is prohibited for any unauthorized use; Rainbow 8 Hong Kong reserves the right for any legal action.) * Toys only, please be safe use of air guns and must be follow the local law requirement for all airsoft use. * * Please note: installing parts assemble fitting airsoft gun will need intermediate knowledge;